TW201035330A - Aluminum alloy member with excellent jointability to resin, and production method thereof - Google Patents

Abstract

This invention provides an aluminum alloy part having an extremely complicated surface to exhibit an enhanced jointability to a composite resin member. The aluminum alloy part is an Al alloy member obtained by imposing a cast member of an Al-Si series alloy to surface chemical etching with an acid solution. The Al alloy member has multiple recesses over a portion or the whole of the surface; and the recesses have a mean opening width of above 0.1 to below 30μm, the inside surface of each recess having multiple protrusions consisting of an eutectic Si crystal The protrusions consisting of an eutectic Si crystal have sizes of above 0.1 to below 10μm that are equivalent to sphere particle diameter, while portions where only Si is distributed account for above 5 to below 80% of the total of the eutectic portions as determined by elemental analysis for Si and Al through X-ray fluorescence mapping.

Description

201035330 VI. Description of the Invention: [Technical Fields of the Invention] This is a technique for producing an alloy having excellent resin adhesion to a structure in which a high-strength heat-resistant resin composition is integrated and a method for producing the same. [Prior Art] ο A wide range of products such as f-products and encoders that combine the components of different materials with the synthetic tree. The material V,,, 'resin composite material is a pressure-sensitive aluminum member and a resin member which are used as a filler by an adhesive. However, recently, the method of cultivating the people of T. For example, the high-strength engineering resin is applied to at least one side of the adhesive to produce the I resin composite in the literature.

G _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ In the formed cavity, the shot layer and the fixed metal mold resin layer. The resin is injected and formed on at least one side of the chain sheet. =:::: The technique for making the _-member is used to require strength. However, if the composite is intended to be 098,145,276 points (fixing force) And the rigid mechanical structure 201035330 is not enough. Then, an aluminum-resin composite in which a material having high strength as a resin member is adhered with a strong adhesive force is pursued. For example, Patent Documents 2 and 3 propose a method for producing an aluminum-resin composite which can achieve the above requirements. [Patent Document 1] [Patent Document 1] Japanese Patent Laid-Open Publication No. 2000-176962 (Patent Document 2) WO 2004/041533 (Patent Document 3) Japanese Patent Laid-Open Publication No. 2007-182071 (Problems to be Solved by the Invention) For example, in the above Patent Document 3, there is proposed a step of immersing in one or more aqueous solutions selected from ammonia, hydrazine, and a water-soluble amine compound, and in the electron Under the microscope, the aluminum alloy parts covered by the concave portion having the average inner diameter of 1 〇 to 80 ηηη, and the surface of the above aluminum alloy part are fixed by injection molding, the main component is polyamine resin and the secondary component is impact resistant. A metal-resin composite body composed of a thermoplastic resin composition component composed of a resin component of a modified material. In the composite system, the polyamine-based resin composition can be strongly adhered by forming a shape in which the surface of the aluminum alloy part is covered by the ultra-fine concave portion and the opening of the hole. 098145276 201035330 However, the composites proposed in the above Patent Documents 2 and 3 are not capable of exerting a strong adhesive force as a mechanical structure. In order to solve such a problem, the present invention proposes to reduce the surface of the alloy by using a special alloy-based alloy, to provide a sintered alloy part having improved dot-to-cell composite resin members. Its purpose. ..., (the means to solve the problem) ο This is an alloy component with excellent resin adhesion. In order to achieve this, it belongs to Al-Si which has a plurality of concave portions on its surface. The y 合金 alloy member has a plurality of convex portions composed of eutectic crystals on the inner surface, and the convex portion composed of the eutectic cerium crystal has a substantially spherical particle size. For the above and the size of 10#m or less and according to the analysis of the fluorescent X-ray green, the analysis of the elements of the Shixia element and the Shao element is carried out, and the only part of the distribution of the 曰曰邛/knife is 5%. Above and below 80%. Further, in the surface of the alloy member which is excellent in the point of the present invention, the average opening width of the convex portion having a plurality of the above-mentioned techniques and "alum crystals" is 0.1 V m or more and β m or less. In addition to the concave portions, the concave portion is formed with respect to the primary crystal a, Aw, and the portion: in the thickness direction (4) of the alloy structure, in the thickness direction thereof, and The average opening width measured by scanning type electric mirror is 0.1 / zm or more and 3 〇 #m or less in the middle line between the most straight line of the 卩 and the bottom line passing through the deepest part. The plurality of concave portions having a depth of O.lem or more and 30 098145276 5 201035330 or less. The convex portion composed of the eutectic crystal is preferably 0.001 g/m 2 or more and ig/ on the inner surface of the concave portion. The aluminum alloy having an aluminum alloy member having excellent resin adhesion is preferably contained in an amount of not less than 5.0% by mass and equal to or less by mass, and Fe: i 3 mass 篁 / ί Cu·5.0% by mass or less, Mg: 1.5% by mass Ni: 1.5% by mass or less, and the residual portion has an alloy composed of A1 and a component composed of unavoidable impurities. The aluminum alloy member having excellent resin adhesion of the present invention is an aluminum having the above composition. When the alloy smelting liquid is cast to produce an aluminum alloy member, the eutectic Si solidification temperature at the time of casting is 755. (: 780 or more.): In the following fields, the cooling rate is 〇.rC/sec or more. The obtained cast object is formed into a predetermined shape and size, and then subjected to chemical etching treatment on the surface of the acid-based liquid, whereby an aluminum alloy member having the above surface characteristics can be obtained. The aluminum alloy member excellent in the adhesiveness of the resin of the present invention is treated with the chemical (4) of the acid-based liquid on the surface, and is treated with the oxidized fine particles or (4) fine particles (four) the silk tilting (four) treatment, and the concave and convex shape is formed in the chemical county. Then, a smear-resin composite having a higher adhesive strength is obtained. As the uneven shape formed on the surface, it is preferable that the value of the surface roughness is 1 to 100/zm. 098145276 6 20103 5330 (Effect of the Invention) According to the present invention, the surface of the aluminum alloy member for manufacturing the composite body is provided with a complicated concavo-convex shape. Therefore, for example, when the surface of the aluminum alloy member is bonded by an injection molding method or the like, the resin member is adhered to The uneven shape can effectively exhibit an anchoring effect, and an aluminum-resin composite having a high bonding strength can be easily obtained. And as an alloy material of the name, since an Al-Si-based casting alloy can be used, it is possible to inexpensively manufacture a shape having a high degree of freedom. Further, the aluminum-ruthenium resin composite body produced in this manner is excellent in adhesion strength and airtightness at the interface between the member of the Shao alloy and the resin molded body (Mingshu Yueqi interface), and even if exposed It can maintain its excellent adhesion strength and air tightness under strict conditions and maintain high reliability for a long time. Therefore, the aluminum-resin composite of the present invention can be suitably used in various fields such as various sensor parts for automobiles, various switch parts for home electric appliances, and condenser parts for various industrial machines. - Resin 〇-body forming part 'Special # 使 使 验 验 验 验 使 使 使 。 。 。 。 。 。 。 The surface of the I5 blade protrudes in a protruding state, and a metal-resin integrally formed part of high adhesion strength is required. • [Embodiment] The person in charge of this month has repeatedly reviewed the measures to improve the adhesion to the composite tree member and improve the surface properties of the alloy parts when manufacturing the _ _ resin composite. In the adhesion between the member and the tree raft member, it is effective to form a bump with high anchoring effect on the surface of the alloy part 098145276 7 201035330. However, for an alloy for A1 casting having a wide metal composition range and a complicated metal structure, it is difficult to form an unevenness of the anchoring effect in the south. Then, the present invention has found that in the Al-Si-based casting alloy, by combining the formation of a specific composition and the subsequent etching treatment, irregularities having a high anchoring effect can be formed on the surface. The details are as follows. First, the basic principle that the complicated unevenness is easily formed on the surface of the Al-Si-based alloy member will be described. When a molten metal of an Al-Si alloy having a composition near the hypoeutectic-eutectic in a practical use is solidified in a mold, as shown in Fig. 1, a flaky Al-Si eutectic portion (7) is buried. The form between the primary crystal α - Al (l). Then, the Al-Si eutectic portion (2) is a form composed of eutectic 〇: -Α1 (3) and eutectic Si (4). When the Al-Si-based alloy member having such a metal structure is chemically etched with an acid solution such as hydrochloric acid, the eutectic α_Α1(3) in the Al-Si eutectic portion is selectively dissolved. It is due to the lower purity of Α1 of eutectic α _A1 than other parts. As a result, the flaky eutectic portion embedded between the primary crystal α·Α1(1) remains as only the remaining eutectic Si(4)′ remains in the void portion (5) between the primary crystal α_Αι which is the concave portion. The si protrudes from the shape of the above-mentioned recess wall (refer to FIG. 2). Fig. 3 is a view showing the results of observing the surface of the sample used in the examples described later by a scanning electron microscope. It is understood that the Si crystal protrudes inside the concave portion formed between the initial h_A1 to form a convex portion. 098145276 8 201035330 This is a system that is intended to be a residual wall of the Si in the primary crystal α-Al. Shape: It is effective to express the above-mentioned staggering effect, and it is effective to make the formation narrow, and the four portions of the X-ray X can narrow the convex portion formed by the large Si crystal. of ,,,. When the convex portion formed by the corona is narrowed and long-term, it depends on the Si-containing # of the alloy of the prime, and the manufacturing conditions of the alloy, especially the condensation cooling rate and the chemical etching condition. of

The preferred manufacturing conditions will be described later to effectively exhibit the size and distribution state of the erecting function portion. When the surface structure of the aluminum alloy member is observed by a scanning electron microscope (FE-SEM, S-4500 type), the size of the convex portion composed of the eutectic Si crystal must be G > # m or more in terms of the equivalent spherical particle diameter.幻么士曰1 * ^ A v»〇 gg If the size is less than 0.1 (four) or less, the convex portion formed by the eutectic si crystal itself is easily folded, and the pinning effect cannot be exerted. On the other hand, even

When the crystal size of Si is more than 1G#m, it is too large to be anchored. The concave portion of the Si-out wall surface is preferably in the thickness direction cross section of the alloy member, in the thickness direction thereof, and between the top line passing through the highest portion of the uneven portion and the bottom line passing through the deepest portion. On the middle line, the average opening width measured by scanning electron microscope observation is 01_ or more and 30//m or less, preferably 〇.5// shouting and m or less, more preferably i P or more and 1 〇. The size below //m, the depth is 〇._ above and the size below 098145276 9 201035330 is better. m' is not less than gm at the time of injection molding, and preferably 0.5" m or more and 2 〇〆m. The average opening width of the concave portion is narrower than 0.1/z. The molten resin is difficult to enter, and the bismuth metal member and the resin molded body are The interface has tiny gaps' and it is difficult to obtain excellent adhesion strength and air tightness.

3〇#m, when the surface treatment (etching treatment) of the aluminum formed body is excessive, the dissolution reaction is excessive, and the surface of the material is missing or the amount of decrease in the thickness of the material is increased. In the present invention, the remaining Si is protruded from the wall surface. The density of the plurality of concave portions is preferably 1 in the range of 0.1 mm or more, the average opening width 〇 5 " m or more and 20 " m, and the depth 〇, 5 " m or more and 2 〇 / zm or less; The type or the two or more types are present in a range of about 5 or more and 200 or less. Further, a plurality of concave portions in which Si remains on the wall surface may have a double concave portion structure in which at least one or more internal concave portions are formed on the inner wall surface in part or all of the surface, or may have The inner wall surface has an inner concavo-convex structure in which at least j or more internal protrusions are formed, and the double concave portion structure and the inner concavo-convex structure may be coexisted. By having such a double concave portion structure and an internal concavo-convex structure in a part or all of a plurality of concave portions which are formed by the residual Si in the wall surface protrusion 098145276 10 201035330, the concave portion of the aluminum alloy member and the resin molded body are formed. The embedded portions are strongly bonded to each other, and exhibit more excellent adhesion strength and airtightness between the aluminum alloy member and the resin molded body. In addition, when the surface structure of the above-mentioned aluminum alloy member is analyzed by the drawing analysis of the energy dispersive X-ray analyzer (EMAX_7000 manufactured by Horiba, Ltd.), it is necessary to have the eutectic portion. Only the distribution of ❹^ accounts for more than 5% and below _. If the Si distribution is less than 5%, the effective effect cannot be achieved. On the other hand, if it exceeds 8 G%, it is also possible to neglect the dissolution of the primary crystal α_Αΐ which forms the wall surface of the concave portion, and the above-mentioned wall surface is dissolved, and the Si crystal stacking method exerts an anchoring effect. In the state in the shape, the amount of protrusion of the convex portion composed of the eutectic Si crystal is not included in the resin component, and it is preferable that the inner surface of the portion is 0.001 or B, and 〇 #. - Going and the amount below 1g/m is prominent and precipitated as two; "7 is difficult to express an effective anchoring effect. Conversely, in addition, the amount of protrusion of the convex portion, the back crystal, which is used after the brush is cut off, is determined by the gravimetric method for the si crystal particles formed on the surface of the electrode; J is taken here with a 0.1/m PC device. 'The concave portion of the eutectic W-shaped protrusion of the 098145276 11 201035330 2 for the selective dissolution of the above-mentioned financial resources, and the concave portion formed by the primary crystal α_A1 which effectively exhibits the pinning function. The plurality of concave portions formed by the surface uneven portions of the member are preferably in the thickness direction cross section of the alloy member, in the thickness direction thereof, and at the top line passing through the highest portion of the uneven portion and passing through the deepest portion The average opening width measured by scanning electron microscope observation on the middle line between the bottom lines of the parts is 〇.km or more and 3〇_以:;. Preferably. · 5 one and 2. Preferably, the following dimensions are 1 (four) and Π) (4) the following dimensions, and the depth is 01_ or more and less than the sister, preferably 0.5 # m or more and 2 〇 #m or less. If the average opening width of the concave portion is narrower than g, it is difficult to enter the refining fat, and the alloy member and the __ stomach == obtain excellent adhesion strength and airtightness. Conversely: = = = : material surface property The reason for the decrease is 2; the product of insufficient degree is produced and the depth is, if it is shallower than ol/zm, the embedding portion of the resin molded body is sufficient, and conversely, if it is made difficult to produce (4), the surface of the core molded body Treatment (side ^30 questions. If the amount of reduction in the thickness of the material or the increase in the thickness of the material is increased in the present day, the _ side & degree is formed in the dense and concave portions of the plurality of concave portions of the _ alloy member. According to the mother (5) thin square _, the average opening 12 201035330 width 〇.5/zm or more and 20#m or less and depth 〇5 " m or more and 2 〇 μ m or less within the range of one or more than More than or equal to 200 or less. The plurality of concave portions of the aluminum alloy member may be formed in part or all of the inner wall surface, and may have a double recessed portion formed on the inner wall surface. The concave portion structure, in addition, may have at least 丨 formed on the inner wall surface The inner concavo-convex structure of the inner protrusions described above may further include such a double concavity-and-concave structure and an inner concavo-convex structure. This may be present in a part or all of a plurality of concave portions of the aluminum alloy member. In the double concave portion structure and the internal concavo-convex structure, the concave portion of the aluminum alloy member and the embedded portion of the resin molded body are strongly bonded to each other, and the adhesion strength and gas are more excellent between the alloy member and the resin molded body. Next, a description will be given of a preferred gold alloy for the Al-Si alloy of the object of the present invention.

The present invention preferably contains Si: 5.0% by mass or more and 18% by mass or less, preferably 6.0% by mass or more and 125% by mass or less, F.% by mass or less, preferably 0.9% by mass or less, and Cu: 5.0% by mass. The following is ± ° a wide, preferably 4.5% by mass or less, Mg: j 5 mass % or less, preferably ι 曰 ', , -. χτ. . . . . . . . . . . . . . . . . . . . The alloy knives having a residual portion 8 having A1 and a component composed of unavoidable impurities are targeted for 1.1% by mass or less. The reason is explained below. Make

Si : 5.0% by mass or more and 18% by mass or less 098145276 13 201035330

The Si system is added for increasing the strength of the base material, lowering the coefficient of thermal expansion, improving the castability, and the like. Particularly in the present invention, the protrusion formed by the eutectic Si formed by the selective dissolution of the eutectic α_Α1 in the eutectic structure is most suitable for the adhesion of the resin. When Si is less than 5. G%, Sif is too small, and a sufficient eutectic structure cannot be obtained, and an effective anchoring effect cannot be exhibited. If the other side is more than 18%, the large-scale precipitation of the first-time si will hinder the staggering effect. Fe : 1.3% by mass or less

Fe is used to prevent addition to the metal mold. However, if it exceeds 1.3% by mass, a sharp decrease in strength is caused, and the strength of the aluminum-resin composite after resin bonding cannot be prevented from being lowered.

Cu : 5.0% by mass or less

Cu is added for increasing the strength of the base material and improving the machinability. However, when the cu exceeds 5.0% by mass, the castability is lowered, and the durability of the aluminum-resin composite after the resin is bonded is remarkably lowered.

Mg : 1.5% by mass or less

The Mg system is added for increasing the strength of the base material and improving the corrosion resistance of the aluminum-resin composite after the resin is bonded. However, if Mg exceeds 5% by mass, the melt is oxidized to generate a large amount of gas.

Ni : 1.5% by mass or less

Ni is used to stabilize the high temperature strength and to add it. However, if it exceeds ^$% by mass, the castability and time-effective hardenability are lowered. Inevitable impurity Μη : 〇.65 mass% or less, Zn: 3 〇 mass% or less 098145276 14 201035330 Inevitably, there are many impurities, and if it is not more than (4) mass%, the machinability of the tree is lowered. On the other hand, if the Zn exceeds 3.0% by mass, the resin-recombined _ resin composite has a low resistance to degradation. Therefore, it is preferable to limit the amount to be less than the above amount. Next, a method of producing an aluminum alloy member excellent in resin adhesion of the present invention using an A1_si system having the above-described composition will be described. The preparation method of the alloy smelting liquid is not particularly limited. It is sufficient if the usual dissolution is carried out. The A1-Si-based alloy used in the present invention has a high content of & and a low melting temperature, so that the scaly is preferably converted into a shape. In terms of the fineness of the peak and the ugly mechanical properties of the stability, the miscellaneous material method is preferred. There are no special restrictions on the casting conditions. Ο As described above, in order to obtain a complicated surface property, it is preferred to make the crystal structure after solidification fine. In this sense, in the field where the eutectic Si solidification temperature during the preparation is 755 ° C or more and a 7 or less, the cooling rate must be 0.1 C / sec or more and 1 〇〇 a C / sec or less. If the cooling arrest is less than G.1 for 2 seconds, the crystal _ becomes larger, that is, after the enthalpy is chemically treated, the convex portion size formed by the eutectic Si crystal is also formed, and the distribution rainbow cannot be rotated. Feeding «. Conversely, if the cold = degree exceeds the boots, the _ sharp cooling makes the eutectic & crystallization too fine to achieve the anchoring effect. 098145276 201035330 In order to arrange the shape and size of the obtained cast product, the part of the melt passage is not required to be cut and removed, and the resin bonding surface is trimmed as necessary. As a method of forming an aluminum alloy member having a desired uneven portion on the surface of the resin bonding surface of the cast product of the resin bonding surface, for example, the aluminum alloy material is immersed in hydrochloric acid, scaly acid, sulfuric acid, acetic acid, oxalic acid. An etching solution composed of an acid solution such as anti-bad acid, alum acid, butyric acid, citric acid, formic acid, lactic acid, isobutyric acid, malic acid, propylene glycol, tartaric acid, etc., and formed on the surface of the aluminum alloy material The etching method of the specified uneven portion. As the money engraving liquid used for this purpose, the acid solution type may have an acid concentration of 0.1% by weight and 80% by weight or less, preferably i by weight. Above and below 5% by weight of hydrochloric acid solution, mechanical solution, dilute sulfuric acid solution, acetic acid solution =. And an oxalic acid solution having an acid concentration of 5 wt% or more and 3 wt% or less, preferably (7) wt% or more and 2 wt% or less. Further, it is also possible to add a compound to the acid solution of the "_A1". Considering safety (4), preferably chloride, and the concentration of halide ions in the surname, usually 〇17 liters and 300 g/L or less, preferably lg/L or more. Take the following, if the effect of the full ion is small, _ a total of ^ 仏 _, resulting in a sessile into the concave part of the Sl crystal ^ (4) problem 3 之 machine's situation in the surface of the shouting (_ processing When the dissolution anti-098145276 201035330 should be carried out rapidly, there is a problem that the concave portion and the Si crystal protruding portion which are selectively formed are difficult to control.

Further, in the present invention, as the desired concave portion formed on the surface of the alloy member, (10) Μ 'acid and acid solution having a strong oxidizing power such as concentrated sulfuric acid exceeding (10)% by weight concentration, and cesium hydroxide potassium hydroxide It is not appropriate to test the solubility. The oxidizing power of the sulphuric acid has a stronger ability to produce a film for the pure alloy, and instead forms a strong oxidized film on the surface of the slag alloy member, and it is difficult to dissolve the oxidized lag. Further, the sodium hydroxide and the oxidizing agent are decomposed, and the dissolving mechanism for the pure alloy is a fully soluble type, and the eutectic M1 of the desired eutectic Ml is formed in the present invention. The processing conditions when the surface of the alloy member is subjected to the etch treatment using the above-mentioned money engraving liquid are based on the type of the liquid, the acid concentration, the (four) sub-concentrate, and the plurality of depressions to be formed on the alloy member. The number and size of the shapes vary, and usually, in the case of a hydrochloric acid solution, the bath temperature is 20° C. or more and 8 (the immersion time of TC or less is less than or equal to 4 minutes and less than 4 minutes, and in the case of a phosphoric acid solution, The bath temperature is 2 〇t or more and 6 (the immersion time of rc# is 1 minute or more and 60 minutes or less. In the case of a sulfuric acid solution, the bath temperature is 2 (TC or more and 7 (the immersion time of TC or less! Minutes or more and 5 〇) In the case of an oxalic acid solution, the bathing temperature is 2 〇 ° C or more and the immersion time of 5 〇ΐ or less is 1 minute or more and 20 minutes or less, and in the case of an acetic acid solution, the bath temperature is 20 ° C or more and 80 minutes or less. Below the °c, the dipping time is more than i minutes and 3 minutes 098145276 17 201035330 The range below. The effect of the remaining engraving concentration and the bath temperature is more remarkable, and the treatment can be performed for a short period of time. When the heart* is t, the dissolving speed is a total of ^A1=the undershoot and the formation of the Si protrusion. It takes a long time, χ ^ / solution of the concave part called, and, in more than 8 (rc, the dissolution reaction is sharp and difficult to make the concave part and ^ dish about the dipping time ' less than 1 minute is difficult to control Crystal α·Α1 selects the chest i = because the opposite is more than (10) minutes of the impregnation time, then the & production declines two, in this (four) to the hybrid (four) engraving treatment, the solution is repeated several times The treatment is performed to form a desired concave portion. It is also possible to perform the side treatment of the uniform hook and the concave surface before the chemical buttoning treatment portion described above, or the IS alloy member 4 3 σ 1 The solid effect is read on the surface of the crucible, and is formed by a spray treatment in a complex metal alloy with a metal structure. When the chemical is applied, the surface of the Yu Shao alloy member is unevenly lined, and sometimes it is difficult to perform the (4) 2 engraving treatment. At the point of the slamming, the material is referred to (4) and the surface is repeated on the outermost surface of the alloy member. The rapid heat and rapid cooling accompanying the physical deformation and the plastic deformation make the surface structure finer and uniform. Therefore, after the blasting treatment, chemical engraving treatment is performed to form a concave portion of the hook. Since the surface of the surface is roughened, the resin adhesion can be improved by the double roughening treatment which is formed by the chemical treatment to form the concave portion thereafter. 098145276 18 201035330 In the spray treatment, there is a so-called impeller. The centrifugal force of the wing wheel will be used for the projection of the shot and the air pressure of the air conditioner, and the air pressure is used to compress the projection material. The method of hitting is preferably an air nozzle type spray. The reason why the spray treatment and the method of the 'air nozzle type are particularly good is that the energy of the enumerated medium is higher than that of the shooting type, for example, the pressure of the shot can be made stronger by the pressure of the shot. "The results can be determined by the better surface structure of the spray treatment, and the gentleman's view of cost and efficiency, IfcA, can also be selected for shooting and spraying. The rough surface sound Rz (Rz: JIS B 0601-1994 for the Huai-丄^1 drought) is above and below 100/zm, and Weiwei ^ 1 ^ Λ is Up and down 50_ below the bump. "If you are less than 1 / 4 m, you can't get the surface concave. The uniformity of the surface of the main convex surface is more than 100/zm, and the right material is deformed with the decrease of productivity. The increase of the enthalpy stress, and the iron-like metal particles have a good effect on the cost and efficiency of the aluminum alloy component. As the projection material, sand, alumina, sub- and resin materials can be cited, and can be used according to the purpose. For the unevenness, it is better to use alumina with a hardness, but also heavy Cast iron-like metal particles. The surface area of the aluminum alloy member is changed by the spray treatment to form a concave and convex portion. 098145276 19 201035330 Large, the reaction of the rhyme processing liquid to the eutectic portion of the eutectic portion is increased by two, so it is easy to form. The effect of the concave part required more. In addition, it can also reduce the _ treatment (four) miscellaneous (four), the dirt on the surface of the alloy parts of the 24 parts of the village, etc. Also in the fortune, as described above, the alloy material is formed as a side treatment. When there is a concave part of the § alloy member, or after the smear treatment, the money is processed (4) into a concave-shaped alloy member, if necessary, the money may be called or the cake The alloy material surface is treated with acid treatment of acid solution and/or alkali treatment of alkali solution under the purpose of county and adjusting surface, removing surface deposits, pollutants, etc. Here, as the previous treatment For the acid solution, for example, a commercially available acidic degreaser can be used, and an inorganic acid such as sulfuric acid, nitric acid, hydrofluoric acid or acid, an organic acid such as acetic acid or citric acid, or the like can be used. Mixed acid For the preparation of the drug, etc., the secret solution may be, for example, a commercially available tester (four) modulator, a tester that can be used with caustic soda, or a mixture thereof. The operation method and processing conditions of the pretreatment of the acid solution and/or the alkali solution may be the same as those of the conventional treatment using the acid solution or the alkali solution, for example, according to the dipping method, On the other hand, in the case where the spraying treatment is not performed before the chemical etching treatment, it is preferable to perform the ultrasonic treatment after the chemical etching treatment. 098145276 20 201035330 The formation of the die casting occurs in the case of the treatment When the surface of the metal structure of the step, the time can not dissolve, and the hair _ no: one: == two bath temperature, or prolonged immersion when the eutectic si9 said, but with the increase of the amount of private dissolution, will be ❹ Ο It is very synonymous, i, it is difficult to call it with the denseness of the A1 alloy for ultrasonic, and it will be the most versatile in the eutectic Si crystallization after the _ treatment is removed λ^Α^-L·9 Sex only helps the tree The eutectic Si crystal in the surface concave portion is further processed in the form of Si and the hair is not processed, and the required convex brittle material is not obtained as a countermeasure. #This can only remove the accumulation. The Si layer, and the desired convex Si remains (4). "The aspect may be a method of dissolving and removing Si in a solution containing an I compound ion. However, in this case, it is not preferable to remove the Si layer, and it is difficult to control only the convex Si remains prominent, which is not preferable. The surface of the alloyed metal material may be subjected to a water-washing treatment after the above-mentioned previous treatment or after the treatment of forming the concave portion, and the jade industry, ground water, tap water, and ion-exchanged water may be used in the water washing treatment. Etc., according to the manufactured alloy composition, it is suitable for selection. Moreover, regarding the applied 098145276 21 201035330:= and the remaining alloy material, the drying treatment is carried out as needed, and the drying treatment is excluded. For the natural drying to the temperature, the forced drying can be carried out using a hair dryer, a dryer, an oven, etc. Finally, the use of the aluminum alloy parts of the present invention for improving the adhesion to the resin member is explained. The I-lu alloy member of the present invention is used as a plain alloy shape when the inscription resin composite is produced by the injection molding method described in each of the above patent documents. 'Prepare to shoot the forming metal mold, open the movable metal mold, and insert the |Lu alloy member of the present invention into the eight sides, close the movable metal mold, and then project the heat-mixable synthetic resin composition of the A, and then open the movable metal mold. Further, in the present invention, a particularly excellent injection-molded article is formed by injection molding a thermoplastic resin onto a trowel surface of a slag alloy member and combining it in a protruding state. Aluminum-resin composite of a resin molded body. Here, as for the thermoplastic resin used for producing the resin composite of the present invention, various thermoplastic resins may be used alone, and the physical properties required for the resin composite of the present invention are considered. For the thermoplastic resin, for example, a polypropylene resin, a polyethylene resin, an acrylonitrile-butadiene-styrene copolymer (ABS), or a polycarbonate resin (pc) is preferable. Poly-arylene resin, polyacetal resin, polyacetal resin, liquid crystalline resin, polyethylene terephthalate (pET) and poly(p-phenylene terephthalate), polyacetamide resin (PA), polythiobenzene (pps), etc. Polyester resin such as butyl phthalate (PBT), polyoxyalkylene based resin, polyfluorene 098145276 22 201035330 imine resin, benzophenone and a mixture of these thermoplastic resins In addition, in order to further improve the adhesion between the alloy member and the resin molded body, mechanical strength, heat resistance, dimensional stability (resistance to deformation, koji, etc.), electrical properties, etc., it is preferable to use these thermoplastic resins. Adding a filler of a fibrous form, a powdery form, a slab-shaped sacred temple, and various elastomer components is preferable as a filler added to the thermoplastic resin, and examples thereof include glass ray-forming fibers, metal fibers, and asbestos. Inorganic fiber filler such as fiber or boron fiber, and high-melting point organic fiber filler such as polyamine, fluororesin or acrylic resin, and quartz powder, glass beads, glass powder, calcium carbonate- ... A powdery filler such as a carcass or the like, and a plate-shaped filler such as a glass piece, a talc, and a mica sub-manufacturer, are preferably 250 parts by weight or less with respect to the thermoplastic resin 100. 2 parts by weight When the amount of the additive is more than 30 parts by weight, more preferably 30 parts by weight or more and 100 parts by weight or less, and the amount of the true charge is more than 250 parts by weight, the fluidity is lowered and the concave portion of the alloy member is entered. There is a problem that a good adhesion strength cannot be obtained or a mechanical property is lowered. In addition, examples of the elastomer component to be added to the thermoplastic resin include elastomers such as urethane ruthenium hydride, core-shell type, olefin type, polyester type, guanamine type, and styrene, and injection molding is considered. In the case of the melting temperature of the thermoplastic resin, etc., the amount of 'again' is preferably 30 parts by weight or less and preferably 25 parts by weight or less with respect to 100 parts by weight of the thermoplastic resin. 098145276 23 201035330 When the amount of the elastomer component added exceeds 3 , the strength is further improved, and mechanical properties are produced: the mixing effect of the phase-intimate component is used as the resin. This secret is particularly significant. ', ', ..., plasticity resin, and 'in the thermal grease used for the production of the lipid composite of the present invention, the additive which is added to the thermoplastic resin, that is, the flame retardant, can be appropriately added according to the required properties. , stabilizers, plasticizers, lubricating release agents, crystallization accelerators, crystal nucleating agents, etc. of dyes and pigment oxidants and ultraviolet absorbers. In the present invention, the injection molding of the heat-resistant (tetra) resin which is performed by attaching the hetero-alloy member to the mold for the injection handle can be carried out by the molding conditions required for the thermoplastic resin to be used, but it is important to smear during injection molding. The thermoplastic resin can surely enter the concave portion of the aluminum alloy member and cure 'better, setting the mold temperature and the cylinder temperature to the higher of the kind and physical properties of the thermoplastic resin, and the range allowed by the molding cycle, In particular, the temperature of the metal mold must be such that the lower limit temperature is 9 (TC or more, preferably 130 C or more). The upper limit is preferably from 100 ° C to the melting point or softening of the thermoplastic resin depending on the type of thermoplastic resin used. The point (in the case where the elastomer component is added is the higher or higher soft point or softening point) is lower than the temperature of about 2 ° C. Further, the lower limit of the mold temperature is preferably set to be less thermoplastic resin. The melting point is lower than 14 ° C. Further, the means for producing the aluminum-resin composite of the present invention is not limited to shot 098145276 24 201035330 A thermocompression bonding method may be employed, that is, the aluminum alloy member is heated in a range of about 90 ° C to 300 ° C and a resin member composed of a thermoplastic resin is applied to the surface thereof, and pressure is applied thereto. The desired aluminum-resin composite was obtained. [Examples] Example 1: [Preparation of A1 alloy test piece] ◎ Si: 11% by mass, Fe: 0.71% by mass, (: 11: 2.46% by mass, Μη) : 0.36 mass%, Mg: 0.29 mass%, Zn: 0.79 mass%, Ni: 0.72 mass% of the A1 alloy, and the melt 'casting and casting in a size of 180 mm x 150 mm x 3 mm. The setting conditions at this time are the mold temperature. · 17 ° ° C, melt temperature: 720 ° C, injection speed: 1.7 m / s, product filling time: 10 ms, average flow rate within the product: llm / s. In addition, the cooling rate during casting is 40 C / sec Ο From the prayers, cut out the A1 alloy sheet of size 37.5mm><37.5mmx3mm' and the slab surface of the A1 alloy sheet is smashed by 3mm from both sides to make a size of 37.5mmx37.5mmx2.4mm Ai alloy test piece. • Second, for the above A1 alloy test The etching solution prepared by adding 54 g/L of aluminum chloride hexahydrate to a 5 wt% hydrochloric acid solution was subjected to an etching treatment at 40 ° C for 10 minutes, followed by water washing, and a hot air of 12 Torr. Drying for 5 minutes, making the alloy parts. [Observation of the crystallization of the alloy components] 098145276 25 201035330 The surface of the obtained A1 alloy test piece, ❹ scan the standing m, s_45G") to observe 'observation ^ day fine Further, the amount of precipitation was measured by a gravimetric method. The size of the phase, the surface of the alloy member to be observed, is as shown in Fig. 3, and the convex portion is formed inside the concave portion formed on the surface. Further, the shape of the convex portion is also observed. Further, the crystal formed on the surface of the A1 alloy test piece was brushed with a brush. The collected crystal particles were measured by the weight method of the 曰/Z m PC film device. The average opening width and the total (10) crystal size and distribution of the concave portion observed in the surface of a certain region of the alloy member of the 疋之铭 alloy member, and the average opening width of the concave portion is 〇·1_ The above-mentioned "m" is equivalent to 〇·1/zm or more and 1 ()"m or less, and an energy dispersive X-ray analyzer (EMAX-7000 manufactured by Horiba, Ltd.) is used for the surface of the above-mentioned alloy member. The analysis of the edge of the map carried out the analysis of the elements of Shi Xi and the elements of the Ming Dynasty. As a result, only the distribution portion of the eutectic portion was 45%. Further, the amount of eutectic cerium precipitated on the surface of the aluminum alloy member is 0.001 g or more and 1 g or less per im square. Regarding the apparent crystal size, distribution, and amount of the precipitate, almost no change was observed even if the observation site was changed. [Shear failure load measurement test] The aluminum alloy member of Example 1 obtained as described above was attached to a metal mold of an injection molding machine (ST10R2V manufactured by NISSEI Co., Ltd.), and a polythiobenzene resin containing a filler of 098145276 26 201035330 ( Polyplastics PPS grade name 1140A6) is used as a thermoplastic resin with an injection time (including dwell time) of 5 seconds, an injection speed of 60 mm/sec, a holding pressure of 90 MPa, a forming temperature of 310 ° C, and a mold temperature of 18 〇. The forming conditions of t were injection-molded, as shown in Fig. 4, and the surface of the alloy member (6) having a size of 37.5 mm x 37.5 mm x 2.4 mm was fabricated to have a length of 15 mm x a thickness of 3 mm x a height of 6 mm and was adhered to the above A1 alloy test. Resin molded body (7) on the surface of the sheet - an aluminum-resin test piece (aluminum-resin composite) for the shear strength measurement test. Shear strength measurement test machine (made by Shimadzu Corporation: 1〇〇ΚΝ)

Autograph), as shown in Fig. 5, on the test piece fixing jig (8), the above-mentioned aluminum-resin test piece for shear breaking and weighting test is fixed by a spiral (9), and is 1 mm from the adhesive portion. The position is pressed and the shear load is applied by the jig (1 〇) to investigate the peeling of the adhesive portion between the alloy member (6) and the resin molded body (7). The peeling form is considered to be good even if a part of the resin is left on the side of the aluminum alloy member (6), and the resin is on the side of the aluminum alloy member (6) with respect to the bonded area. In the case of agglomerated damage of 7 % by weight or more, it is considered to be the best ( ◎ ), and the resin does not remain on the side of the aluminum alloy member and occurs at the bonding interface. When the evaluation is poor (χ), the result is the best. (@)>. The results are shown in Table 1. Example 2: The Α1 alloy die-casting cast produced by Example 1 was cut out to form an A1 alloy sheet having a size of 098145276 27 201035330 37.5 mm x 37.5 mm x 3 mm, and the single-sided noodle was 0.6 mm on the A1 alloy sheet, and one side was produced. A1 alloy test piece having a size of 37, 5 mm x 37.5 mm x 2.4 mm of the cast muscle surface. For the cast muscle surface of this A1 alloy test piece, #100 alumina fine particles having a particle diameter of 125 to 149/zm were used (composition; Al2〇3: 96.6 wt%, Ti02: 2.4 wt%, SiO 2 : 0.6 wt ° / 〇, And other) performing an air blasting treatment, and after the surface roughness value Rz is 5, 4 (TC) is applied to an etching solution prepared by adding 54 g/L of vaporized aluminum hexahydrate to a 2 wt% hydrochloric acid solution. After immersing for 15 minutes, it was washed with water, and dried with hot air of 12 (TC for 5 minutes to prepare an aluminum alloy member. The same as in Example 1 was carried out on the stoneware of the member, and the crystal was observed. The average opening width of the concave portion observed in the surface of a certain portion of the member and the size and distribution of the eutectic crystals precipitated inside the concave portion are concave portions = the average opening width is (U (four) or more, and (four) lower, And the equivalent spherical particle size is above and below 1 G//m' and the distribution of S1 in the eutectic portion is 55%. The amount of eutectic precipitate formed on the surface of the alloy member is 0.001 g per liter. Above, i grams below 'About the highlights•V η /V « /,,, day size, knife cloth and The amount, even if the observation position is changed, is almost completely unchanged. Then, the aluminum-resin test piece (aluminum-resin composite) for the test is fabricated by using the resin, and the shear of the test piece is expanded. In the strength measurement test, the aluminum was evaluated and the results are shown in Table 1. Together with the results of Example 1, 098145276 28 201035330 Example 3: A1 alloy die-casting cast from Example i, cut out to a size of 37.5 mm x 37 .5mmx3mm A1 alloy sheet, and for this... alloy sheet, only one side of the face is 0.6mm, and a single-sided A1 alloy test piece having a cast muscle surface size of 37, 5mm x 37.5mm x 2.4inm is produced. For this ai alloy test piece Casting the muscle surface, in the 2wt% hydrochloric acid solution added 5 勉 several gasification! Lu Liu hydrate and prepared in the liquid, applied to the order of 8 minutes of 〇 翁 翁 翁 翁 翁 翁 翁 翁 翁 翁 翁 翁 翁 翁 翁 翁 翁 翁 翁 翁 翁 翁 翁 翁 翁 翁 翁 翁 翁 翁 翁The aluminum alloy member was produced by drying in a hot air of 12 Torr for 5 minutes. When the crystallization of the alloy member was observed in the same manner as in Example i, the average opening width of the concave portion observed in the surface of a certain portion of the alloy member was measured. And a total of internal precipitation The size and distribution of the crystallites are the average opening width of the concave portion 2 (U"m or more and 3〇(4) or less, and the equivalent spheroid diameter is 0.1 " m or more and 1G" m or less, and The distribution of only Si in the daily and daily parts is estimated to be 30%. In addition, the amount of co-rotation formed on the surface of the alloy member is 0.001 g or more per gram, less than 1 gram, about the prominent analysis / , 'Day and day ruler' distribution and weight 'even if the change to Weicha site money is all unchanged. Next, in the same manner as in the above-mentioned Example 1, an aluminum-resin test piece (aluminum-resin composite) for shear strength measurement test was prepared using a resin, and a shear strength measurement test of the upper 2 aluminum-resin test piece was carried out, and to evaluate. The results are shown together with the results of Example 1 in Table 1. 098145276 29 201035330 Example 4: The temperature of the mold at the time of injection molding of the resin was changed to a kiss. In addition, the same procedure as in the above Example 1 was carried out to prepare an ageing member, and then the above Example 1 was treated, and a shear strength measurement tester-in-resin test piece was prepared using a resin, and a shear strength measurement test was performed, and The results of the test were shown together with the results of Example 1 in Table 1. Estimate Example 5: 迅上迅; 〜uhuadu, Zhongyi Ai order, gold test piece, a added 5 in the 5wt% sulfuric acid solution, which is the gasification of the water After 4 minutes of dipping for 8 minutes, it was washed and dried by hot air for 5 minutes, and the age of gold was prepared and observed in the same manner as in Example 1 for the crystallization of the alloy. The average opening width of the concave portion of the cold and the inner protruding, the size of the 矽 矽 crystal and the average opening width of the distribution are (U"ma and the diameter of the concave = O.Mm or more and 1〇/ / Lower and quite spheroidal and below 10/m' and only 35% of the distribution of Si in the eutectic part. In the presence of the alloy, the surface of the alloy component is considered to be less than the above. The lm square distribution and parts (4) the cut crystal size, Π change the edge of the observation point, almost all without the same, the same as the above example p test test shape 35 tree ^ (4) material for the shear strength of the instrument 4 (10) - "Tree wax complex") and carry out the shear strength measurement test of the above-mentioned 098145276 30 201035330 aluminum-resin test piece, and Be assessed. The results are shown together with the results of Example 1 in Table 1. Example 6: The same procedure as in the above Example (10) was carried out to prepare an A1 alloy test piece, which was added to a 5 wt% phosphoric acid solution to add 54 machine sodium chloride hexahydrate. After the thief was immersed for 10 minutes, it was treated with a 'wash' and dried with a hot air of not: for 5 minutes to pour the alloy member. w When the crystallization of the alloy member of the alloy was observed in the same manner as in the first embodiment, the average opening width of the concave portion observed in the surface of a certain portion of the alloy member to be measured and the size of the total (4) crystal of the internal protrusion and the Distribution, system, concave portion =: The average opening width is above, and the ball diameter is more than 0.1# m or more below the melon, and only 40% of the distribution portion of Si in the eutectic portion is occupied.

On the other hand, the amount of eutectic precipitate formed on the surface of the alloy member is 0.001 gram or more per lm square, below i gram, and the size, distribution, and amount of the crystal of the prominent precipitation are almost unchanged even if the observation is changed. °. Yang, followed by the above-mentioned treatment m, using a tree material as an aluminum-resin test piece (aluminum-resin composite) for shear strength measurement test, and performing a shear strength measurement test of the above-mentioned aluminum-resin test piece, And the evaluation. The results are shown together with the results of Example 1 in Table 1. Example 7: The above-mentioned real-time 1 is carried out, (4) A1 combined materials, and then 098145276 31 201035330 is added to 5% of the oxalic acid solution to add 5 chlorinated hexahydrate to the blister solution, and 5 施 is applied. After tipping 2 〇 pure etched, it was washed with water and dried with hot air of 120 C for 5 minutes to make a | When the crystallization of the alloy member was carried out in the same manner as in the first embodiment, the average opening width of the concave portion observed on the surface of a certain region of the alloy member and the size of the eutectic dream crystal which was precipitated within the four major portions and The distribution is concave: the opening of the sentence is above Ol^m and 3〇_, and the equivalent spherical particle size is 0.1 # m or more and 1 〇", #以下, and in the eutectic portion The only distribution of Si present is 3%. Moreover, the amount of co-rotation formed on the surface of the 'Metal alloy component is 0.001 g or more per square, and less than 1 g a# 曰 于 于 犬 犬 犬 犬 犬 犬 犬 犬 犬 犬 犬 犬 犬 犬 犬 犬 犬 犬 犬 犬 犬 犬 犬 犬 犬 犬 犬 犬 犬 犬 犬 犬 犬Almost all of the inspections remained unchanged. In the same manner as in the above embodiment, the aluminum-resin test piece 4g Η - - - - - - - - amp amp 使用 使用 使用 使用 使用 使用 使用 使用 使用 使用 铝 铝 铝 铝 铝 铝 铝 铝 铝 铝 铝 铝 铝 铝 铝 铝 铝 铝 铝 铝 铝 铝The shear strength of the 1⁄4 month test piece is surnamed Wu Panshen Μ 疋 test and evaluated. , ,,. The results are shown in Table i together with the results of Example 1. Example 8: Treatment with the above-mentioned embodiment m was carried out in a 5 wt% hydrochloric acid solution, and a step-centered gold-wet film was applied. Secondly, it was washed with water and dried with a hot air of 12 Torr: a two-minute etching treatment was given to the same example. 1 Conducting the alloy component of the stone Γ曰 Γ曰 = as a 1 Lu alloy component. The average opening of the concave portion observed in the aluminum of the surface of a certain part of the alloy member, 曰曰 - - 时 098 098 098 098 098 098 098 098 098 098 098 098 098 098 098 098 098 098 098 098 098 098 098 098 098 098 098 098 098 098 098 098 098 098 098 098 098 098 The average opening width of the concave portion is 0.1 /zm or more and 30#m or less, and the equivalent spherical particle diameter is 0.1 A m or more and 10/zm or less, and only Si is present in the eutectic portion. The distribution site accounts for 40%. Further, the amount of eutectic cerium precipitated on the surface of the aluminum alloy member was 0.001 g or more and 1 g or less per lm square, and the crystal size, distribution, and amount of the ruthenium which were precipitated were almost unchanged even when the observation was changed. 0. Next, in the same manner as in the above-mentioned Example 1, an aluminum-resin test piece (aluminum-resin composite) for shear strength measurement test was prepared using a resin, and the shear strength measurement test of the above-mentioned aluminum-resin test piece was carried out, and Evaluation. The results are shown together with the results of Example 1 in Table 1. Example 9: [Preparation of A1 alloy test piece] Si: 11% by mass, Fe: 0.71% by mass, (:11: 2.46% by mass, Q Μ η: 0.36% by mass, Mg: 0.29% by mass, Zn: 0.79) Mass A, Ni: 0.72% by mass of the A1 alloy molten solution was die-cast cast in a size of 180 mm x 150 mm x 1.6 mm. In addition, the setting conditions at this time were a mold temperature of 170 ° C, a melt temperature of 720 ° C, and injection. Speed: 1.7 m/s, product filling time: l〇ms, average flow rate in the product: llm/s. In addition, the cooling rate during casting was 90 ° C / sec. From the obtained casting, the size was cut out to 37.5 mm x 37 .5mmxl.6mm A1 alloy sheet, and for this A1 alloy sheet, the cast muscle surface is made of 0.3mm, 098145276 33 201035330 on both sides, and the ai alloy test piece with the size of 37.5mmx37.5 is used for 1 painting. Eight people for the above A1 The alloy test piece is prepared by adding 5 chlorinated hexahydrate to the 5% hydrochloric acid solution.

'After 40 ° C, it was dipped for 7 minutes (4), and it was made to be washed, and an aluminum alloy member was produced by i2Q for 5 minutes. ", L 钇 同 同 实施 实施 实施 实施 实施 实施 实施 实施 实施 实施 实施 实施 实施 实施 实施 实施 实施 实施 实施 实施 实施 实施 实施 实施 实施 实施 实施 实施 实施 实施 实施 实施 实施 实施 实施 实施 实施 实施 实施 实施 实施 实施 实施 实施 实施The eutectic crystals which are widely formed in the opening and the inside are only knives, and the visibility of the concave portion is ^ or more and 30 (10) or less, and the equivalent spherical particle size is 0.1 or more and 1 (^" In the eutectic portion, only the distribution portion of Si occupies 4 〇〇 / 〇. In the presence of jin, the eutectic precipitate formed on the surface of the 1 Lu alloy member is 0.001 g or more per lm square, 1 gram. Regarding the analysis of the distribution and the amount of the k-material, almost all of the observations were not changed. The daily size, and then the m treatment was carried out as described above, and the aluminum-resin test piece (aluminum-resin composite) for the test was made using the resin. The shear strength measurement test of the ruthenium resin test piece, and the results of the above-mentioned results are shown together with the results of Example 1. The evaluation example 10: [A1 alloy test The modulation of the film] will contain Si. 6.9 mass 〇 / 〇, Fe : 〇 38 mass 0 ' Mg : 〇 29 Temp. · %, Cu ······························································································· The setting conditions at this time are the mold temperature: 17 ° C, and the melt temperature: 720. (:, ejection speed: 1.7 m/s, product filling time: i 〇 ms, average flow rate in the product: llm / s The cooling rate at the time of casting was 4 〇〇c/sec. From the obtained cast, a bismuth alloy sheet having a size of 37.5 mm x 37 5 mm x 3 mm was cut out, and the A1 alloy sheet was made, and the cast muscle surface was cut from the sides by 3 jnm. A1 alloy test piece having a size of 37.5 mm x 37.5 mm x 2.4 mm. ❸ Next, in the above A1 alloy test piece, in a residual solution prepared by adding 54 g/L of chlorinated hexahydrate to a 5 wt% hydrochloric acid solution, After being treated by dipping for 7 minutes, it was washed with water and dried by hot air of 12 〇t>c for 5 minutes to make an aluminum alloy member. When the (four) crystal of the alloy member was observed, the measured alloy member was measured. The average opening width of the concave portion observed in the surface of a certain area and The size and distribution of the eutectic crystals which are prominently precipitated in the interior, the average opening width of the concave portion of the concave portion is 0.1, or more, 13 Å or less, and the equivalent spherical particle diameter is 0.5 m or more and 10 Å or less. The distribution of only Si in the eutectic portion occupies 35 〇 / 〇. - The amount of eutectic precipitate formed on the surface of the alloy member is 0.001 g or more per lm square, less than 1 gram. The size, distribution and amount of the precipitated crystals are prominently changed, and almost no change is observed even if the observation position is changed. The receiver was treated in the same manner as in the above Example i, and the resin test piece for the shear strength measurement test was used to form a resin composite. The shear strength measurement test of the above-mentioned 098145276 35 201035330 I-lu resin test piece was carried out. And to be assessed. The results are shown together with the results of Example 1 in Table 1. Example 11: The A1 alloy die-casting cast produced by Example 1 was cut out of an A1 alloy sheet having a size of 37.5 mm x 37.5 mm x 3.0 mm, and the surface of each of the A1 alloy sheets was cut by 3 mm from each side. An A1 alloy test piece having a size of 37.5 mm x 37.5 mm x 2.4 mm was produced. In the above-mentioned A1 alloy test piece, an etching solution prepared by adding 54 g/L of vaporized aluminum hexahydrate to a 2 wt% hydrochloric acid solution was subjected to an etching treatment of 4 Å and it was immersed for 35 minutes. It was washed with water and dried with a hot air of 12 Torr for 5 minutes to prepare an aluminum alloy member. In the same manner as in the first embodiment, the average opening of the concave portion and the size and distribution of the eutectic crystals precipitated inside the concave portion observed in the surface of a certain portion of the alloy member were measured. The average opening width of the system is 0.1/Zin or more and 3〇//m or less, and the diameter of the coil 15 is 0.1# m or more, and the distribution of the spherulites in the eutectic portion is only Si. The site accounts for 75%. In the presence of the pound, the co-sand precipitate formed on the surface of the alloy member is 〇._gram or more, less than 1 gram, and the square distribution and the amount of the cut Z h are prominently precipitated, even if the observation point is changed, almost all crystal sizes, then 'the same The above implementations process and use the tree. The test 1 ru-resin test piece (Ming-resin composite) shear strength 098145276 ′ was used and the above-mentioned 36 201035330 Ming-resin test piece shear test was performed and evaluated. The results are shown together with the results of Example 1 in Table Example 12: The A1 alloy (four) cast produced by Example 1 was cut out of a bismuth alloy sheet having a size of 37.5 mm x 37.5 mm x 3.0 mm, and the ai alloy sheet was The cast muscle surface is made up of two sides A 0 and a chamfered surface of 0.3 mm to make an eight-piece test piece with a size of 37.5 mm x 37.5 mm x 2.4 mm.

Ο Next, for the above-mentioned A1 alloy u u & n , , , , , , 在 在 在 在 在 在 在 在 在 在 在 在 在 在 在 在 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 After etching at ° C for 2 minutes, it was washed with water and dried by hot air for 5 minutes to prepare an aluminum alloy member. When the aluminum alloy member was observed in the same manner as in the first embodiment, the average opening width of the concave portion of the surface of the surface of the aluminum alloy member measured in the surface of the aluminum alloy member was measured. It is called the ruler to find its distribution, and the concave part is: the width of the opening is (U (four) or more, and m or less, and the equivalent spherical particle size is 0.1#m or more and l〇//m or less, g + u ” Stored in the crystal part

Only the distribution of Si accounts for 1%. I, the amount of eutectic bismuth formed on the surface of the aluminum alloy member is 0.001 gram or more and 1 gram or less per 1 part, and the square distribution and the amount of the stone ', 、, 曰lm which are prominently precipitated, even if the observation point is changed, All are not woven. The daily size, and then the same as in the above-mentioned Example 1, the aluminum-resin test piece for the shear + measurement test was prepared using a resin, and the above-mentioned 098145276 37 201035330 Ming-resin test was carried out. The shear strength of the sheet was measured and evaluated. The results are shown together with the results of Example 1 in Table 1. Example 13: [A1 alloy test, preparation of test piece] Si: 9.0 mass%, :Fe: 〇72 mass%, Cu: 2.54 mass%, Mn: 0·36 mass%, Mg: 0.29 mass%, Zn: 0.71% by mass, Nl: 69.69% by mass of the A1 alloy melt, which was die-cast in a size of I80 mm x 150 mm x 3.0 mm. Further, the setting conditions at this time were a mold temperature of 170 ° C, a melt temperature of 72 (rc, an injection speed: i.7 m/s, a product filling time: 10 ms, and an average flow velocity in the product: llm/s. The cooling rate at the time of casting was 4 CTC/sec. From the transferred material 'cut size 37.5 mm> <37.5 mm x 3 mm A1 alloy A1 alloy sheet', the binding muscle surface was cut from both sides for 3 minutes. A1 alloy test piece with a size of 37.5mmx37 5mmx2 4jnm. For the above A1 alloy test piece, a surrogate was prepared by adding 54g/L of her hexahydrate to a 5wt〇/〇 hydrochloric acid solution.

The aluminum alloy member was produced by applying 40 °G for 5 minutes. In the same manner as in the first embodiment, the alloy of the alloy was immersed and immersed in a minute after the treatment, and the aluminum was measured by the crystallization of the hot air.

The average opening visibility is above and the size and distribution thereof are below the L 3 〇em of the concave portion, and the equivalent globule 098145276 38 201035330 has a diameter of 0.1 μm or more and l〇" m or less, and is in the eutectic The only Si distribution in the part is 4〇〇/. . In addition, the amount of eutectic precipitate formed on the surface of the alloy member is 0.001 g or more per lm, which is less than 1 g, and the crystal size, distribution, and amount of the precipitated crystal are almost unchanged even if the observation is changed. . Then, the aluminum-resin test piece (aluminum-resin composite) for shear strength measurement test was prepared by using the resin in the same manner as in the above-mentioned Example 1, and the shear strength measurement test of the above-described yttrium aluminum resin test piece was carried out, and To be assessed. The results are shown together with the results of Example 1 in Table 1. Example 14: [Preparation of A1 alloy test piece] Si: 9.0% by mass, Fe: 〇71% by mass, Cu: 2% by mass/〇, Μη: 0.34% by mass, Mg: 〇29% by mass, Zn : 〇69% by mass, Νι. 〇, 68% by mass of the A1 alloy melt, which was cast into a JIS ship-type enamel metal cookware made of copper to produce a cast product. Further, the setting conditions at this time were a mold temperature of 120 ° C and a melt temperature of 72 °. Further, the cooling rate at the time of casting was 2.5 C/sec. From the obtained scaly product, an A1 alloy piece having a size of 37.5 mm x 37.5 mm x 5 mm was cut out, and an A1 alloy test piece having a size of 37.5 mm x 37.5 mm x 2.4 mm was produced from the A1 alloy piece by 2.6 mm on both sides.

Next, for the above A1 alloy test piece, in an etching solution prepared by adding 54 g/L of vaporized aluminum hexahydrate to a 5 wt% hydrochloric acid solution, 4 (TC 098145276 39 201035330 impregnation (7) is divided (4) h core, such as drying for 5 minutes, to make aluminum alloy components. c... a few Γ Γ = Γ 1 When performing the dream crystal of the Ming alloy component, the average opening width of the concave portion observed in the surface of the measured area is determined. The size and distribution of the crystals of the eutectic crystal 11 are the diameters of the concave portions. "... and i. 2: . = 'more (10). Under and in the crystal portion, only the distribution of Si exists. Occupy. Also, the amount of eutectic precipitate formed on the surface of the part is equal to or greater than the square t, less than 1 gram, and the (4) crystal size, / knife cloth and wound 1 ' In the same manner as in the above-mentioned embodiment, the chain-resin test piece (inscription_resin composite) for shear strength measurement test was prepared using a resin, and the shear strength measurement of the above-mentioned aluminum-resin test piece was carried out. Test and evaluate it. The results of Example 1 are collectively shown in Table J. Example 15: [Preparation of A1 alloy test piece] Si was contained: 9.0% by mass of 'Fe: 〇71% by mass, Cu: 2 pp% > Μη: 0.34 ft % > Mg : 0.29 f *〇/〇. Zn : 0.69 f *〇/〇. Ni . 0.68 Berry/〇 A1 alloy melt, cast into copper JIS ship-type metal looser to make cast products In addition, the setting conditions at this time were a mold temperature of 350 ° C and a melt temperature of 720 ° C. Further, the cooling at the time of casting was 098145276 40 201035330 and the speed was 0.25 ° C / sec. An A1 alloy sheet having a size of 37.5 mm x 37.5 mm >< 5 mm was cut out, and an A1 alloy test piece having a size of 37.5 mm x 37.5 mm x 2.4 mm was produced from the A1 alloy sheet by 2.6 mm on both sides. Next, 'for the above A1 alloy test The sheet was applied to an etchant prepared by adding 54 g/L of aluminum chloride hexahydrate to a 5 wt% hydrochloric acid solution, and was subjected to a crucible for 10 minutes, washed with water, and washed with 12 〇. (;; The hot air is dried and dried for 5 minutes to make an aluminum alloy member. The stone of the alloy member is the same as in the embodiment 1. In the case of crystallization, the average opening width of the concave portion observed in the surface of a certain region of the alloy member and the internal protrusion (four) k total enthalpy knot were found to be distributed, and the average opening width of the concave portion was 0.1. #m以上和3〇" m丨,, Dingchuan is below 111, and is quite quite male

When the diameter is 0.1/zm or more and 1〇am or less, the distribution of the θ force cluster 曰A in the / day part is 35%, and only the distribution portion of Si is 45%.

G. The amount of eutectic bismuth formed on the surface of the aluminum alloy member is 0.001 gram or more per 1 square, and 1 gram or less. Regarding the distribution and the amount of 矽 曰 突出 突出 突出 , , , , , , , , , , , , , , , , , 改变 改变VQBa, and then treated in the same manner as in the above-mentioned Example 1, and the resin for use in 1 was used to prepare a test piece for the shear strength measurement test-a resin test piece (aluminum resin, Α σ body), and the above-mentioned I-lu resin type was carried out. The shear strength measurement test of the test piece was taken and evaluated. The results are shown together with the results of Example 1 in Table 1. Example 16: 098145276 41 201035330 A1 alloy die-casting material prepared by the application example 1 was cut out, and an A1 alloy piece having a size of 37.5 mm×37.5 mm×3 mm was cut out, and a single side of the A1 alloy piece was cut by only 0.6 mm on one side. An A1 alloy test piece having a cast muscle surface size of 37.5 mm x 37.5 mm x 2.4 mm. For the cast muscle surface of the A1 alloy test piece, a stainless steel fine particle (manufactured by SUS304) having a particle diameter of 1 〇〇 to 120 ^^ was used for the shot blasting treatment, and the surface roughness value Rz was made to be 2 #m after 'at 2 wt. The etching solution prepared by adding 54 g/L of aluminum chloride hexahydrate to the hydrochloric acid solution was immersed in 4 ° C for 15 minutes, washed with water, and dried by hot air of 12 (TC for 5 minutes). The aluminum alloy member was produced. The average opening width of the concave portion observed in the surface of a certain region of the alloy member was measured in the same manner as in the first embodiment.

The shear strength measurement test of the aluminum-resin test piece was carried out and evaluated as described above. 098145276 42 201035330 The results are shown in Table 1 together with the results of Example 1. Example 17: The A1 alloy die-casting cast produced by Example 1 was cut out of an A1 alloy piece having a size of 37, 5 mm x 37.5 mm x 3 mm, and the A1 alloy piece was cut with only one side of 0.6 mm to produce a single-sided cast muscle. A1 alloy test piece with a face size of 37.5 mm x 37.5 mm x 2.4 mm. For the cast muscle surface of this A1 alloy test piece, alumina fine particles having a particle diameter of 2000 to 2378/zm were used (composition; Α! 2〇3: 96.6 wt%, Ti02: 2.4 wt%, Si〇2: 0.6 wt0/ 〇, and other) Μ 气 气 气 气 气 气 气 气 气 气 气 气 气 气 气 气 气 气 气 气 气 气 气 气 气 气 气 气 气 气 气 气 气 气 气 气 气 气 气 气 气 气 气 气 气 气 气 气 气 气In the middle, 4 is applied. (: After immersing for 15 minutes, it was washed with water, and dried by hot air at 120T for 5 minutes to produce an aluminum alloy member. When the crystallization of the aluminum alloy member was observed in the same manner as in Example 1, the aluminum alloy member was measured. The average opening width 凹 of the concave portion observed in the surface of a certain region and the size and distribution of the eutectic cerium crystal precipitated from the internal protrusion are the same as the above-mentioned width of the concave portion and 30/zm or less. The spherical particle diameter is 0.1/m or more and 10# m or less, and only the distribution portion of Si existing in the eutectic portion accounts for 55%. Further, the amount of eutectic cerium precipitated on the surface of the aluminum alloy member is Each square is 0.001 g or more and 1 g or less. Regarding the crystal size, distribution, and amount of the precipitated precipitate, almost no change is observed even if the observation position is changed. Then, the same as in the above Example 1 is used, and the shear strength 098145276 is used. 201035330 The aluminum-resin test piece (aluminum-resin composite) for the test was measured, and the shear strength measurement test of the above-mentioned aluminum-resin test piece was carried out and evaluated separately. Results and results of Example 1 Commonly shown in Table 1. [Table 1] Example No. A1 alloy test piece resin-molded aluminum-桢 脂 fat integrally molded product Si crystal concave portion surface roughness metal mold temperature CC) shear strength measurement test equivalent spherical particle size (_ eutectic Si crystal distribution (%) Si precipitation amount (coffee 2) average opening width ((iv) Rz (//m) measured value (Ν) Evaluation 1 5.1 45 0.44 15 — 180 890 ◎ 2 4.3 55 0.62 20 5 180 1328 ◎ 3 6.4 30 0.32 5 — 180 710 ◎ 4 5.5 40 0.40 14 — 160 850 ◎ 5 5.7 35 0.36 8 — 180 760 ◎ 6 4.9 40 0.36 10 — 180 780 ◎ 7 5.1 30 0.32 9 — 180 730 ◎ 8 4.4 40 0.38 12 — 180 812 ◎ 9 0.8 40 0.40 1 — 180 530 〇10 2.1 35 0.38 8 — 180 740 ◎ 11 5.3 75 0.82 15 — 180 390 〇12 4.8 10 0.01 9 — 180 423 〇13 4.1 40 0.40 11 — 180 820 ◎ 14 8.2 40 0.51 22 — 180 550 〇 15 9.6 45 0.62 25 — 180 440 〇 16 4.5 50 0.40 5 2 180 780 ◎ 17 5.8 55 0.65 28 50 180 1250 ◎ Comparative Example 1: A1 alloy produced by Example 1 Die casting, cut out A1 alloy sheet with a size of 37.5mmx37.5mm><3mm, A1 for this alloy sheet, the cast of both sides of the muscle surface surfacing 0.3mm, making the size 37.5mmx37.5mmx2.4mm A1 alloy test piece. Next, the above-mentioned A1 alloy test piece was subjected to a 90 C-crush for 20 minutes in an etching solution of 30 wt% hydrochloric acid solution for 44 minutes, and then washed with water and dried by 12 (TC hot air for 5 minutes). In the same manner as in the first embodiment, the average opening width of the concave portion observed in the surface of a certain portion of the alloy member and the size of the eutectic sand crystal precipitated from the inner protrusion were observed in the same manner as in the first embodiment. And its distribution, the average opening width of the concave portion is more than 30 (four), and the equivalent spherical particle diameter is (above U and below 10 ym, and only the distribution portion 在 existing in the eutectic portion) occupies 100%. Further, the amount of eutectic cerium precipitated on the surface of the aluminum alloy member was more than 1 gram per lm square, and almost no change was observed in the crystal size, distribution, and amount of the precipitated crystals. In the treatment of Example 1, an aluminum/resin test piece (aluminum-resin composite) for shear strength measurement test was prepared using a resin, and the above-mentioned aluminum was known as a test piece for shear strength. The results are shown in Table 2. Comparative Example 2: A1 alloy die-casting cast produced in Example 1, cut out an A1 alloy sheet having a size of -37.5 mm x 37.5 mm x 3 mm, and for this A1 alloy sheet, ' An A1 alloy test piece having a casting surface of 37.5 mm x 37.5 mm x 2.4 mm on one side was produced with only one side of the faceted surface of 0.6 mm. For the cast muscle surface of the A1 alloy test piece, a particle size of 125 to 149 #m was used. Oxidized microparticles (composition; Al2〇3: 96.6wt%, Ti〇2: 2.4wt%, Si〇2: 〇.6wt%, 098145276 45 201035330

After the other ageing treatment, β is applied to the etching solution of the above A acid solution. - Wash with water, such as ah (four) dry; ^ 6 minutes after the treatment, give minutes to the alloy component. . When the 仃1# gold member is cut and crystallized, the measured eutectic is observed in the surface of a certain area and the eutectic precipitated in the inner protrusion is π Μ 尺寸 尺寸 尺寸 尺寸 尺寸 尺寸 尺寸 尺寸One of the concave portions, again, . After 3 〇/Zm, the equivalent spherical particle diameter is 0.1/zm or more and 10/zm or less, and the surface is occupied in the eutectic portion. + The distribution of the deposited powers 8! The eutectic formed by the surface of the 1 Lu alloy component is the amount of precipitation per im square. The size, distribution and amount of the cut crystal are prominently precipitated, even if the observation is changed. No change at all. Then, the same procedure as in the above Example 1 was carried out, and (4) ruthenium test piece (resin composite) of the shear strength measurement test was prepared using a resin, and the shear strength measurement test of the above-mentioned resin test piece was carried out and evaluated. The results are shown together with the results of Comparative Example 1 in Table 2. Comparative Example 3: From the A1 alloy die-casting cast produced in Example 1, an A1 alloy sheet having a size of 37.5 mm x 37.5 mm x 3 mm was cut out, and the alloy sheet was cut only 0.6 mm on one side, and the cast surface was produced on one side. A1 alloy test piece having a size of 37.5 mm x 37.5 mm x 2.4 mm. The cast muscle surface of the gossip alloy test piece was immersed in an etching solution of 30 wt% hydrochloric acid solution by immersion for 9 minutes at 9 〇 145 145 145 145 145 145 145 145 145 145 145 145 145 145 145 145 145 145 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 , , , After 5 minutes, an aluminum alloy member was produced. When the crystallization of the aluminum alloy member was observed in the same manner as in Example 1, the average opening width of the concave portion observed on the surface of a certain region of the aluminum alloy member measured, and the size and distribution of the eutectic crystallization crystal precipitated inside, The average opening width of the concave portion is more than 30/zm, the equivalent spherical particle diameter is 0.1 // m or more and 10//m or less, and only the distribution portion 0 of Si existing in the eutectic portion accounts for 100%. . Further, the amount of eutectic cerium precipitated on the surface of the aluminum alloy member was more than 1 gram per lm square, and the crystal size, distribution and amount of ruthenium which were precipitated were almost unchanged even when the observation was changed. Then, the aluminum-resin test piece (aluminum-resin composite) for shear strength measurement test was prepared by using the resin in the same manner as in the above-mentioned Example 1, and the shear strength measurement test of the above-mentioned aluminum-resin test piece was carried out. Evaluation. 〇 The results are shown in Table 2 together with the results of Comparative Example 1. Comparative Example 4: From the A1 alloy die-casting cast produced in Example 1, an A1 alloy sheet having a size of 37.5 mm x 37.5 mm x 3.0 mm was cut out, and the cast muscle surface was made of 0.3 mm on both sides of the A1 alloy sheet. A1 alloy test piece with a size of 37.5 mm x 37.5 mm x 2.4 mm. Subsequently, the same procedure as in the above Example 1 was carried out, and an aluminum-resin test piece (aluminum-resin composite) for the shear strength measurement test was prepared using a resin, and evaluated by 098145276 47 201035330. The results are not in Table 2. Comparative Example 5: From the A1 alloy die-casting cast produced in Example 1, an A1 alloy piece having a size of 37.5 mm x 37.5 mm x 3 mm was cut out, and the A1 alloy piece was only one side cut surface 0.6 mm. A1 alloy test piece having a size of 37.5 mm x 37.5 mm x 2.4 mm. For the cast muscle surface of this A1 alloy test piece, the particle size of 125~l49//m was used to oxidize|lubric microparticles (composition; Al2〇3: 96.6 wt%, Ti02: 2, 4 wt%, SiO 2 : 〇 .6wt〇/0, and others) implement air hammer treatment. Next, the same procedure as in the above Example 1 was carried out, and an aluminum-resin test piece (aluminum-resin composite) for shear strength measurement test was prepared using a resin and evaluated. The results are shown together with the results of Comparative Example 1 in Table 2. Comparative Example 6: An A1 alloy die-cast product produced in Example 1 was cut out, and an A1 alloy sheet having a size of 37.5 mm x 37.5 mm x 3.0 mm was cut out. For this A1 alloy sheet, the cast muscle surface was cut from the both sides by 3 mm. A1 alloy test with dimensions of 37.5mm x 37.5mm x 2.4mm. Next, the above-mentioned A1 alloy test piece was subjected to silver etching for 5 minutes of immersion in a kinetic chlorination solution, and then washed with hot air and dried by hot air for 5 minutes to prepare a sinter alloy member. #着,进行处理进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行进行Comparative Example 7: [Preparation of A1 alloy test piece] Si: 9.0% by mass, Fe: 0.1% by mass, Cu: 2.46% by mass, Μη: 0.34% by mass, Mg: 0.29% by mass, Zn: 0.69 Quality 〇/0, 〇

Νι : 0.68 mass% of the A1 alloy melt was cast into a sand casting using shell sand to make a casting product having a size of 4 mm x 2 mm x 60 mm. Further, the setting conditions at this time were the melt temperature: 72 Torr. (:. Further, the cooling rate at the time of casting was 0.045 ° C / sec. The A1 alloy piece having a size of 37.5 mm x 37.5 nm x 5 mm was cut out from each of the products passed, and the μ alloy piece was cut by two sides of 2 μmm. , an eight-first alloy test piece having a size of 37.51^^37.5111111><2.4111111 was produced. Bayi's test piece for the above A1 alloy was prepared by adding 54 g/L of gasification hexahydrate to a 10 wt% hydrochloric acid solution. In the original solution, the side is treated with 4〇C_1G minutes, washed with water, and dried with hot air for 5 minutes to make aluminum alloy members. · The same example 1 is used in the composition of the alloy. When observed, the average opening width of the concave portion observed in the surface of a certain area of the gold component of the ingot is more than the size and distribution of the total (4) crystals of the larger spherical particle size exceeding 10 and the inner 4 The average opening width of the concave portion is more than 30 # m, 098145276 49 201035330, and only 50% is present in the eutectic portion.

Si < distribution part possesses, the eutectic 形成.Λ ^1 ^ )V formed on the surface of the aluminum alloy member, 1 hawthorn: 0.001 g or more per lm square, less than 1 gram, about the prominent m, the township crystal ruler ^ inch, distribution and weight, even if you change the observation point, almost all of the above m, the actual case, the case 1 is processed 'use tree: two. Shear strength The aluminum-resin test piece (aluminum-resin compound, sputum) for the test was measured, and the shear strength measurement test of the above-mentioned aluminum-resin test piece was carried out, and it was evaluated. The results are shown in Table 2. Comparative Example 8: [Preparation of A1 alloy test piece] 11% by mass, 0.71% by mass, 2% by mass, Μη: 0.36 mass%, Mg: 29.29 mass%, and 〇79 mass% See: 0.72% by mass of A1 alloy lysate, after alloying powder by spray method, cold rolling and sintering are performed, and extruded products having a size of 9〇0 and 2〇〇 are prepared by hot extrusion. Further, the cooling rate at the time of producing the alloy powder by the spray method was 300 ° C / sec. From the obtained extruded product, an A1 alloy piece having a size of 37.5 mm x 37 5 mm x 3 _ was cut out, and for the A1 alloy piece, the A1 alloy of the size of 37.5 mm x 37.5 mm x 2.4 mm was made from two different faces of 0.3 mm '. Next, 'For the above A1 alloy test piece, in the 10 〇 〇 / o hydrochloric acid solution 098145276 50 201035330 added 54g / L of chlorinated hexahydrate prepared in the I insect engraving, applied 40 ° C impregnation 1 After 蚀刻 minutes of etching treatment, it was washed with water and dried by hot air at 120 ° C for 5 minutes to prepare an aluminum alloy member. When the crystallization of the aluminum alloy member was observed in the same manner as in Example 1, the average opening width of the concave portion observed in the surface of a certain region of the aluminum alloy member and the size of the eutectic crystal precipitated by the internal protrusion and The distribution, the average opening width of the concave portion is less than 0.1 " m, and the equivalent spherical particle size is less than 0.1 f), and the only Si distribution portion present in the eutectic portion accounts for 40%. Further, the amount of eutectic cerium precipitated on the surface of the aluminum alloy member was 0.001 g or more and 1 g or less per lm square, and the crystal size, distribution, and amount of the ruthenium which were precipitated were almost unchanged even when the observation was changed. Then, the same procedure as in the above Example 1 was carried out, and a resin-test piece (Ming-resin composite) for shear strength measurement test was produced using a resin, and the shear strength measurement test of the above-mentioned ◎ aluminum-resin test piece was carried out, and To be assessed. The results are shown in Table 2. 098145276 51 201035330 [Table 2]

Example No. A1 alloy test piece resin molding aluminum-resin integrally molded product Si crystal concave portion surface rough metal mold temperature CC) Shear strength measurement test equivalent spherical particle size (um) eutectic Si crystal distribution (%) Si enthalpy (^n?) Average opening width (um) Rz (//m) Measured value (N) Evaluation 1 5.5 100 3.22 55 — 180 X 2 4.3 100 1.18 35 5 180 Jun 1) X 3 4.8 100 2.34 40 — 180 X 4 — — 0 — — 180 X 5 — — 0 — 5 180 85 X 6 — — 0 — — 180 _ X 7 18.5 50 0.50 32 — 180 53 X 8 0.01 40 0.40 0.05 — 180 42 X ※1 Because the adhesive is not bonded, the shear strength test cannot be performed. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a schematic view showing the solidification structure of an Al-Si alloy casting. Fig. 2 is a schematic view showing the cross-sectional structure of an Al-Si alloy cast after etching. Fig. 3 is a view showing the surface of the etched surface of the Al-Si alloy cast by a scanning electron microscope. Fig. 4 is a view showing the shape of a test piece for measuring the shear strength of the aluminum-resin composite. Fig. 5 is an explanatory view showing a test method for measuring the shear strength of an aluminum-resin test piece. [Description of main component symbols] 1 Primary crystal (2 -A1 098145276 52 201035330 2 Al-Si eutectic part 3 eutectic ¢ 2 -A1 4 eutectic Si 5 void part 6 aluminum alloy member 7 resin molded body 8 fixed centering device 9 bolt 10 fixture 098145276 53

Claims (1)

201035330 VII. Patent application scope: The alloy component with excellent adhesion to the tree planting is attached to the A1_Si series alloy member with a plurality of concave portions on the surface or in part, and the concave portion is on the inner surface _ there are a plurality of The convex portion composed of the eutectic crystals has an average opening width of 0.1/m or more and 3 Å or less, and is characterized in that the eutectic enthalpy is formed. The 卩' series has a size in which the spherical particle diameter is Q #m or more and /zm or less. 2. For example, if the patent is _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 5% or more and 80% or less. (5) The alloy part of the third or second item of the patent of the stomach is excellent in the adhesiveness of the resin. The above-mentioned convex portion composed of the eutectic crystal is formed on the inner surface of the concave portion by 〇.〇〇lg/m2. The amount of J and below 1 g/m is prominent and precipitated. 4. An excellent resin adhesion... Item: Any one of the following:::Structure 2: The scope of the patent is in a plurality of convex parts that do not have the above-mentioned compositing crystals, and ^ is also present at the same time. And 3〇 below the concave part of #m. The opening width of the sentence is 5. - A kind of aluminum alloy, which is an aluminum alloy member which is excellent in resin adhesion of the patent application, and one of the items 1 to 4 is 5.0 mass. /. The above is 18% by mass or less, and is characterized by containing Si: 5.0% by mass or less, Mg: 5% by mass or less, I'3% by weight or less, Cu: 098,145,276, 5%, and 5% by mass, 54 201035330 And the residual portion has A1 and (4) a component which can avoid impurities. 6. A method for producing a gold member having excellent resin adhesion, and the application of the special _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ A method of alloying members, characterized in that the solidification temperature of the north 曰S! at the time of casting is 7 hunger and more. In the following fields, the cooling rate ^ is o.rc/sec or more and 10 (rc/sec or less. Also Ο 〇\, as in Patent Application No. 6, read and turn (4) manufacturing method of dissimilar alloy members, among which After the cast object has been formed into a specified shape and size, the surface is chemically etched with an acid solution. The application of the alloy of the alloy with the excellent adhesion of the resin in the seventh paragraph of the patent application is as follows: Before the surface lanthanum solution is subjected to the treatment of the chemical treatment, the surface roughness of the surface is given to the surface roughness of the second step (4). 9 = The manufacturing method of the alloy member having excellent yarn affinity of the eighth item of the patent application' Among them, the surface red having the surface roughness Rz value of 1 to the unevenness is formed by the blasting treatment using either of the oxidized 35 fine particles or the metal fine particles or both of the fine particles. 098145276 55 %