CN105385903A - Aluminum alloy for die casting and manufacturing method thereof - Google Patents
Aluminum alloy for die casting and manufacturing method thereof Download PDFInfo
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- CN105385903A CN105385903A CN201510557045.3A CN201510557045A CN105385903A CN 105385903 A CN105385903 A CN 105385903A CN 201510557045 A CN201510557045 A CN 201510557045A CN 105385903 A CN105385903 A CN 105385903A
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
- C22C21/02—Alloys based on aluminium with silicon as the next major constituent
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D21/00—Casting non-ferrous metals or metallic compounds so far as their metallurgical properties are of importance for the casting procedure; Selection of compositions therefor
- B22D21/02—Casting exceedingly oxidisable non-ferrous metals, e.g. in inert atmosphere
- B22D21/04—Casting aluminium or magnesium
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/026—Alloys based on aluminium
Abstract
An aluminum alloy, comprising:4.0 to 10.0 weight % silicon (Si), 0.1 to 4.0 weight % magnesium (Mg), 0.1 to 1.0 weight % chromium (Cr), 0.05 to 1.0 weight % zinc (Zn), 0.05 to 1.0 weight % manganese (Mn), 0.01 to 1.0 weight % titanium (Ti), 0.001 to 0.5 weight % tin (Sn), and 81.5 to 95.689 weight % aluminum and at least one impurity.
Description
Technical field
The embodiments of the present invention relate to the alloy for die casting, and the aluminium alloy such as related to for die casting and manufacture method thereof.
Background technology
Usually, aluminium, used maximum metals as being only second to iron, its light weight and erosion resistance splendid, be easy to processing and also there is high conductivity and thermal conductivity, and can be used for combining the materials such as such as Cu, Mg, Si, Zn, Mn, Ni to manufacture all kinds high strength and highly corrosion resistant alloy.Therefore, aluminium can be used for various application, such as aircraft manufacturing, household article manufacture, building, Rail car manufacture and machinofacture.
Aluminium alloy is classified according to its aluminum content and the type of other materials that wherein exists.Such as, 1xxx series aluminum can be the fine aluminium of the aluminium comprising at least 99.00 % by weight, 2xxx series alloy can comprise made of Al-Cu alloy, 3xxx series alloy can comprise Al-Mn alloy, 4xxx series alloy can comprise Al-Si alloy, 5xxx series alloy can comprise Al-Mg alloy, and 6xxx series alloy can comprise Al-Mg-Si alloy, and 7xxx series alloy can comprise Al-Zn alloy.
Compare with steel with iron, the great advantage of aluminium alloy is, the weight 1/3rd of their weight almost just iron and steel, but has the mechanical characteristics suitable with steel with iron simultaneously or has than iron and the better mechanical characteristics of steel.For this reason, in recent years, in the application relevant with electronics (such as, mobile terminal), use aluminium alloy more and more.
Summary of the invention
There is provided aluminium alloy, it comprises: the silicon (Si) of 4.0 % by weight to 10.0 % by weight, the magnesium (Mg) of 0.1 % by weight to 4.0 % by weight, 0.1 % by weight to 1.0 % by weight chromium (Cr), 0.05 % by weight to 1.0 % by weight zinc (Zn), 0.05 % by weight to 1.0 % by weight manganese (Mn), the titanium (Ti) of 0.01 % by weight to 1.0 % by weight, the tin (Sn) of 0.001 % by weight to 0.5 % by weight and 81.5 % by weight to 95.689 % by weight aluminium and at least one impurity.
Method, comprise and adopt aluminium alloy die casting electronic equipment part, wherein said aluminium alloy comprises: the silicon (Si) of 4.0 % by weight to 10.0 % by weight, the magnesium (Mg) of 0.1 % by weight to 4.0 % by weight, the chromium (Cr) of 0.1 % by weight to 1.0 % by weight, the zinc (Zn) of 0.05 % by weight to 1.0 % by weight, the manganese (Mn) of 0.05 % by weight to 1.0 % by weight, the titanium (Ti) of 0.01 % by weight to 1.0 % by weight, the tin (Sn) of 0.00 % by weight 1 to 0.5 % by weight, and the aluminium of 81.5 % by weight to 95.689 % by weight and at least one impurity.
There is provided the method manufacturing aluminium alloy, described method comprises: melted by aluminium (Al) by temperature aluminium (Al) being heated to 700 DEG C to 800 DEG C, melted aluminium is heated to 850 DEG C with the temperature of 900 DEG C, and add silicon (Si) to the aluminium (Al) of described fusing, thus produce the first intermediate alloy, described first intermediate alloy is heated to 1200 DEG C or lower temperature, and adds chromium (Cr), manganese (Mn) and titanium (Ti) to produce the second intermediate alloy to described first intermediate alloy, described second intermediate alloy is cooled to 700 less to 800 less temperature, and zinc (Zn) and tin (Sn) are added into described second intermediate alloy to produce aluminium alloy, wherein said aluminium alloy comprises: the silicon (Si) of 4.0 % by weight to 10.0 % by weight, the magnesium (Mg) of 0.1 % by weight to 4.0 % by weight, the chromium (Cr) of 0.1 % by weight to 1.0 % by weight, the zinc (Zn) of 0.05 % by weight to 1.0 % by weight, the manganese (Mn) of 0.05 % by weight to 1.0 % by weight, the titanium (Ti) of 0.01 % by weight to 1.0 % by weight, the tin (Sn) of 0.001 % by weight to 0.5 % by weight, and the aluminium of 81.5 % by weight to 95.689 % by weight and at least one impurity.
Accompanying drawing explanation
By following embodiment by reference to the accompanying drawings, above-mentioned and other aspects, features and advantages of the present invention will be more clear, in the accompanying drawings:
Fig. 1 illustrates the schema of the method for the manufacture of aluminium alloy according to various embodiment of the present invention;
Fig. 2 illustrates the figure showing the physical property test result of various sample according to various embodiment of the present invention and table; And
Fig. 3 illustrates the comparative example of the corrosion of the aluminium alloy according to various embodiment of the present invention.
Embodiment
Hereinafter, by reference to the accompanying drawings the embodiments of the present invention will be described.The present invention can modify in a variety of manners and comprise different embodiments, but specific embodiment is shown in the drawings and describe in the description.But, should be appreciated that and be not intended to the application to be limited to particular form disclosed herein; On the contrary, the present invention should be interpreted as all modifications, equivalents and/or the alternative form contained within the scope of the present invention.In the description of the drawings, same or similar reference number is used in reference to same or similar key element.
Term " comprises " or " can comprise " refers to that existence can be used for function, operation or parts disclosed in answering accordingly of each embodiment of the present invention, and does not limit one or more other function, operation or parts.In the present invention such as " comprise " or the term of " having " is understood to certain characteristic of instruction, quantity, step, operation, component element, parts or its combination, but also can be understood as not get rid of and may there is other other characteristics one or more, quantity, step, operation, component element, parts or its combination.
The term that uses in the embodiments of the present invention " or " comprise any or all combination of listed word.Such as, express " A or B " and A can be comprised, can B be comprised, maybe can comprise A and B.
Such as " first ", " second " etc. that use in the embodiments of the present invention express the various parts key elements can modified in each embodiment, but can not limit corresponding component key element.Such as, the above-mentioned expression not order of restriction element and/or significance level.This expression can be used to parts key element to be distinguished from each other out.Such as, although first user equipment and the second user equipment are all user equipmenies, it is instruction different user devices.Such as, without departing from the scope of the invention, the first element can be called as the second key element, and similarly, the second key element can be called as the first element.
When describe certain textural element " be connected to " or " contact " another textural element time, be to be understood that, although certain textural element described directly connects or directly contacts another structural element, an other structural element still may be had between two structural elements.On the contrary, when a parts key element " directly connection " or " directly connection " are to another parts key element, be understandable that between first component key element and second component key element, there is not the 3rd component element.
Term in each embodiment of the present invention for describing specific embodiment, and is not intended to limit the present invention.Odd number is expressed and can be contained plural number expression, unless they are clearly different in context.
Unless otherwise defined, otherwise (comprising technical and scientific term) used herein all terms have an identical meanings as known in those skilled in the art in the invention.This type of term, (as defined in common dictionary those) is interpreted as having the implication be equal to the contextual implication in association area, and is not interpreted as and has Utopian or too formal implication, except non-invention defines clearly.
The aluminium alloy prepared by the manufacture method of various embodiment according to the present invention can be applicable to electronic rack, frame etc.
Can be the equipment comprising communication function according to electronics of the present invention.Such as, electronics can comprise at least one in the following: smart phone, tablet personal computer (PC), mobile telephone, visual telephone, E-book reader, Desktop PC, notebook computer, PDA, portable media player (PMP), MP3 player, ambulatory medical device, camera, Wearable device are (such as, helmet (HMD), as electronic glasses, electronic dress, electronics bracelet, electronics necklace, electronic decorations, electronics are tatooed and intelligent watch).
According to some embodiments, electronics can be the controlling intelligent household appliances of band communication function.Controlling intelligent household appliances can comprise at least one in the following: such as, televisor, digital video disk (DVD) player, audio player, air-conditioning, clearer, baking oven, washing machine, air purifier, Set Top Box, TV box (such as, HomeSyncTM, appleTVTM, googleTVTM of Samsung), game machine, electronic dictionary, electron key, Video Camera or digital photo frame.
According to some embodiments, electronics can comprise at least one in the following: various medical facilities (such as magnetic resonance angiography (MRA) scanner, nuclear magnetic resonance (MRI) scanner, computerized tomography (CT) scanner, scanner, ultrasonograph etc.), navigational aid, global positioning system (GPS) (GPS) receptor, event data recorder (EDR), flight data recorder (FDR), vehicle information device, marine electric subset (such as, navigation equipment and gyrostat etc.), aviation electronics device, safety equipment, vehicle head unit, industry or domestic robot, ATM (ATM (automatic teller machine)) in the POS (point of sale) in financial institution or shop.
According to some embodiments, in electronics accessible site to furniture or as the part of buildings.Additionally or alternati, electronics can comprise electron plate, electronic signature receiving equipment, projector, and comprises various types of metering facilitys (such as, water meter, ammeter, gas meter, wireless wave table etc.) of camera function.The one or more combination in above-mentioned various equipment is can be according to the electronics of various embodiment of the present invention.In addition, can be flexible apparatus according to the electronics of various embodiment of the present invention.In addition, aforesaid device is not limited to according to the electronics of various embodiment of the present invention.
According to aspects of the present invention, a kind of aluminium alloy is disclosed.Described aluminium alloy can comprise following at least some: silicon (Si), magnesium (Mg), chromium (Cr), zinc (Zn), manganese (Mn), titanium (Ti) and tin (Sn), zirconium (Zr), nickel (Ni), magnesium (Mg) and iron (Fe).Each in these elements of present discussion:
(1) silicon (Si) content: 4.0 % by weight to 10.0 % by weight
According to each embodiment, silicon (Si) content in alloy can be 4.0 weight percents (% by weight) to 10.0 % by weight.According to embodiment, silicon (Si) can play and improves intensity and do not make the function that erosion resistance reduces, and can guarantee that alloy can be used for the minimum mobility needed for die casting.According to embodiment, silicon (Si) for increasing molten material mobility, reduce its shrinkage, and strengthen thermotolerance.
According to each embodiment, silicon and magnesium (Mg) change that merga pass is aging is segregated into Mg
2si to affect mechanical characteristics, and is being separated separately with the silicon (Si) of the remnants stayed after magnesium (Mg) chemical combination, thus strengthens deposite metal mechanical characteristics and the mobility of deposite metal is effectively improved.
According to each embodiment, when the amount of added silicon does not reach 4.0 % by weight, then cannot obtain required intensity and mobility, and by contrast, when the amount of the silicon added is more than 10.0 % by weight, the forming efficiency of the product formed and surface quality may reduce, and the satisfaction of the desired product specification of the product formed cannot may realize because of the more crisp characteristic of aluminium alloy.
(2) magnesium (Mg) content: 0.1 % by weight to 4.0 % by weight
According to each embodiment, magnesium (Mg) content in alloy can be 0.1 % by weight to 4.0 % by weight.
According to each embodiment, magnesium (Mg) can contribute to strengthening erosion resistance, intensity, ductility, weight and workability.When the amount of added magnesium is less than 0.1 % by weight, its additive effect is also insufficient.By contrast, when the amount of added magnesium is more than 4.0 % by weight, magnesium can foam, and takes fire.In order to prevent this situation, other gas can be used, and can control to address this problem by content.
According to each embodiment, magnesium (Mg) is emanated as compound along with above-mentioned silicon (Si) together, thus strengthens mechanical characteristics.But, when Mg content does not reach 0.1 % by weight, may because of isolated Mg
2si amount cannot obtain necessary intensity less, and by contrast, when Mg content is more than 4.0 % by weight, the existence of magnesium may cause various alloy characteristic to be degenerated.Such as, the existence of magnesium can reduce alloy strength, and reduces its forming efficiency, reduces productive rate thus, as the situation at excess silicon (Si).In addition, Mg is not formed
2the Mg of the remnants of Si can prevent Mg
2si solid solution reduces intensity.
According to each embodiment, magnesium (Mg) can make oxide skin (MgO) be formed fast on the product surface be made up of alloy, and described oxide skin (MgO) can play the work of film from the teeth outwards in order to strengthen erosion resistance.
(3) chromium (Cr) content: 0.1 % by weight to 1.0 % by weight
According to each embodiment, the chromium content in alloy can be 0.1 % by weight to 1.0 % by weight.
According to each embodiment, chromium (Cr) for strengthening wearability by grain refining, and can contribute to improving a certain amount of thermotolerance.According to embodiment, chromium (Cr) can limit the formation of re-crystallized layers and growth, and can be distributed on crystal boundary, forms compound with restriction precipitation during weathering process simultaneously, improve elongation thus with aluminium (Al).According to embodiment, oxide skin (MgO) density that chromium (Cr) can contribute to by improving magnesium strengthens erosion resistance.
(4) zinc (Zn) content: 0.05 % by weight to 1.0 % by weight
According to each embodiment, zinc (Zn) content in alloy can be 0.05 % by weight to 1.0 % by weight.
According to embodiment, zinc (Zn) is for strengthening erosion resistance and intensity.When the amount of added zinc is more than 1.0 % by weight, (physical property of such as weldability, erosion resistance etc.) may degenerate.According to embodiment, zinc (Zn) also can contribute to improving intensity by age hardening.
(5) manganese (Mn) content: 0.05 % by weight to 1.0 % by weight
According to each embodiment, manganese (Mn) content in alloy can be 0.05 % by weight to 1.0 % by weight.According to embodiment, the existence of manganese (Mn) may cause erosion resistance raising, softening resistance improves, and improves the surface treatment characteristics under default high temperature.
According to embodiment, add a small amount of manganese (Mn) and can contribute to improving intensity by solid solution hardening effect and thin throw out dispersion effect, and slightly reduce erosion resistance.
(6) titanium (Ti) content: 0.01 % by weight to 1.0 % by weight
Titanium (Ti) content in alloy can be 0.01 % by weight to 1.0 % by weight.
According to each embodiment, titanium (Ti) is the effective element for grain refine, and when the amount of the titanium added is more than 1.0 % by weight, titanium can produce intermetallic compound large and coarse in a large number, such as TiAl
3, make alloy mechanical performance degradation thus.According to embodiment, titanium (Ti) can contribute to by grain refine, forming efficiency and intensity being improved.
(7) tin (Sn) content: 0.001 % by weight to 0.5 % by weight
According to each embodiment, tin (Sn) content in alloy can be 0.001 % by weight to 0.5 % by weight.Add tin (Sn) to alloy and can strengthen its forming efficiency and workability.But when the amount of added tin is more than 0.5 % by weight, the hot workability of alloy and cold-workability may affect adversely.
(8) zirconium (Zr) content: 0.01 % by weight to 1.0 % by weight
According to embodiment, zirconium (Zr) content in alloy can be 0.01 % by weight to 1.0 % by weight.According to embodiment, zirconium (Zr) can strengthen the intensity of aluminium alloy, also improves elongation simultaneously.
(9) nickel (Ni) content: 0.05 % by weight or less
Nickel (Ni) can exist as impurity in the alloy.Nickel (Ni) can be incorporated in alloy with the aluminium for the manufacture of alloy.According to each embodiment, nickel (Ni) content in alloy can be no more than 0.05 % by weight.
Although the existence of nickel (Ni) may strengthen the thermotolerance of alloy, it also can produce some negative consequences.Such as, when including 0.05 % by weight or more nickel in alloy, alloy corrosion resistance will reduce.
(10) iron (Fe) content: 0.3 % by weight or less
Iron (Fe) can exist as impurity in the alloy.Iron (Fe) can be incorporated in alloy with the aluminium for the manufacture of alloy.According to each embodiment, iron (Fe) content in alloy can be no more than 0.3 % by weight.
According to each embodiment, iron (Fe) can contribute to strengthening intensity and the element strengthening form removal ability by reducing viscosity by improving alloy density.Although iron effectively prevents the particle coarsening of recrystallize and micronized particles during casting, low-alloyed extrusion efficiency and ductility may fall in the existence of iron.More specifically, when including 0.3 % by weight or more iron in alloy, iron can cause alloy corrosion.
(11) copper (Cu) content: 0.05 % by weight or less
Copper (Cu) can exist as impurity in the alloy.Copper (Cu) can be incorporated in alloy with the aluminium for the manufacture of alloy.According to each embodiment, copper (Cu) content in alloy can be no more than 0.005 % by weight.
According to each embodiment, the existence of the copper (Cu) in alloy can strengthen alloy strength, ductility (by precipitation hardening), erosion resistance and its mobility (when alloy is in melted state).But the existence of copper also can reduce erosion resistance, weldability and extrusion efficiency.Therefore, when including 0.05 % by weight or more copper in alloy, it is faster that copper can cause alloy corrosion to obtain.
(12) aluminium (Al) content: 90 % by weight or more
According to each embodiment, the () aluminium (Al) in alloy can be 90 % by weight.
According to each embodiment, as the impurity in aluminium, when the content of nickel (Ni), iron (Fe) and copper (Cu) is contained in alloy to exceed predetermined weight %, alloy corrosion may be caused.For this reason, the amount of these metals in alloy maintains lower than 0.005 % by weight, and make thus likely to produce the aluminium alloy for die casting, it has stable erosion resistance, high strength and good mobility.
Hereafter the technique according to the manufacture aluminium alloy of various embodiment of the present invention will be described.
Fig. 1 illustrates the schema of the technique for the manufacture of aluminium alloy according to various embodiment of the present invention.
At task 101 place, it is made to melt completely by the temperature being heated to the aluminium (Al) of 90 % by weight or more up to 700 DEG C to 800 DEG C.
At task 103 place, the silicon (Si) of predetermined amount can be added to the aluminium melted completely (Al).According to embodiment, after the aluminium melted completely (Al) reaches the temperature of 850 DEG C to 950 DEG C, silicon (Si) can be added.According to embodiment, silicon (Si) addible scope is 4.0 % by weight to 10.0 % by weight.
At task 105 place, after interpolation aluminium (Al) and silicon (Si), temperature can rise to 1200 DEG C.According to embodiment, titanium (Ti), chromium (Cr) and manganese (Mn) can be added into the material of hot melt, and subsequently by heating the default time period at the corresponding temperature and melting completely.According to embodiment, heating the scope that can carry out is 4 to 5 hours.According to each embodiment, titanium (Ti) addible scope is 0.01 % by weight to 1.0 % by weight, chromium (Cr) addible scope is 0.1 % by weight to 1.0 % by weight, and manganese (Mn) addible scope is 0.05 % by weight to 1.0 % by weight.According to embodiment, except titanium, chromium and manganese, also can add zirconium (Zr).According to embodiment, zirconium (Zr) addible scope is 0.01 % by weight to 1.0 % by weight.According to embodiment, zirconium (Zr) can strengthen the intensity of aluminium alloy, also improves elongation simultaneously.
At task 106 place, perform the composition analysis of melt.
At task 107 place, based on analytical results, regulate the amount of the impurity existed in alloy.
At task 109 place, after the amount regulating the impurity in alloy, by naturally cooling, the melt of high temperature is cooled to the temperature of 700 DEG C to 800 DEG C, and zinc (Zn) and magnesium (Mg) can be added subsequently and melt completely.
At task 111 place, aluminium alloy performing member can be formed.According to each embodiment, during die casting, the casting pressure of 75Mpa can be applied to performing member.According to embodiment, performing member can be formed to show the tensile strength characteristic of the scope of 250Mpa to 350Mpa during die casting.According to embodiment, performing member can be formed to show the yield strength characteristic of the scope of 150Mpa to 250Mpa during die casting.According to embodiment, performing member can be formed with the elongation at break showing 2.0% to 4.5%.
According to each embodiment, composition analysis step can be carried out when each interpolation new element.
The compositions table of the suitably prepd aluminium alloy according to various embodiment of the present invention is shown with following table 1 and table 2.
[table 1]
[table 2]
According to each embodiment, copper (Cu), iron (Fe) and nickel (Ni), as the inevitable impurity that can affect erosion resistance, also inadvertently may add alloy to.According to each embodiment, the copper (Cu) that can comprise in aluminium, iron (Fe) and nickel (Ni) can be identified by composition analysis during each elements melt step, and based on gross weight, copper (Cu) and nickel (Ni) is controlled is made as 0.05 % by weight or less.According to embodiment, based on gross weight, iron (Fe) is controlled is made as 0.3 % by weight or less.
Fig. 2 illustrates the figure showing the physical property test result of various sample according to various embodiment of the present invention and table.
As shown in Figure 2, the aluminium alloy of required physical property can be had by % by weight manufacture controlling the composition of aluminium alloy.Such as, the alloy of the intensity with increase can be obtained by the content improving silicon (Si) and magnesium (Mg).But, because the elongation of alloy may reduce, the suitable composition of element therefore must be prepared to obtain the alloy with required physical property (such as, tensile strength, yield strength, elongation etc.).
Fig. 3 illustrates the comparative example according to the corrosion of the aluminium alloy of various embodiment of the present invention and the corrosion of common aluminium alloy.
With reference to figure 3, can find out, the aluminium alloy (the left side sample in accompanying drawing) that various embodiment according to the present invention manufactures has better erosion resistance than aluminium alloy known in the art (the right side sample in accompanying drawing).
According to each embodiment, compared to the alloy be purchased and common alloy, for the aluminium alloy of die casting because of it is formed stable and the oxide layer of densification and stable erosion resistance can be had in saltwater environment, water and air.According to embodiment, aluminium alloy can provide high-quality outer die casting and interior molding member, and these parts have complicated shape and structure because of its high strength and splendid mobility,
Fig. 1-3 only provides as embodiment.At least some in the step discussed with reference to these accompanying drawings can perform simultaneously, perform with different orders, and/or omits in the lump.Should be appreciated that and mention that embodiment described herein and word " such as ", " such as ", " comprising ", " some aspects ", " in some embodiments " etc. should not be interpreted as modified theme to be only limited to specific embodiment.Claim elements herein is not understood according to 35U.S.C.112 the 6th section of clause, except non-usage word " for ... device " described key element is clearly stated.
Although the present invention is with reference to specifically illustrating in this embodiment provided and describe, but it should be appreciated by those skilled in the art that, when not departing from the spirit and scope of the invention as limited by following claims, various change can be carried out to form and details at this.
Claims (15)
1. aluminium alloy, it comprises:
The silicon (Si) of 4.0 % by weight to 10.0 % by weight,
The magnesium (Mg) of 0.1 % by weight to 4.0 % by weight,
The chromium (Cr) of 0.1 % by weight to 1.0 % by weight,
The zinc (Zn) of 0.05 % by weight to 1.0 % by weight,
The manganese (Mn) of 0.05 % by weight to 1.0 % by weight,
The titanium (Ti) of 0.01 % by weight to 1.0 % by weight,
The tin (Sn) of 0.001 % by weight to 0.5 % by weight, and
The aluminium of 81.5 % by weight to 95.689 % by weight and at least one impurity.
2. aluminium alloy as claimed in claim 1, wherein said at least one impurity comprises at least one in copper (Cu), nickel (Ni) and iron (Fe).
3. aluminium alloy as claimed in claim 2, wherein said copper (Cu) forms at the most 0.05 % by weight of described alloy, and described nickel (Ni) forms at the most 0.05 % by weight of described alloy.
4. aluminium alloy as claimed in claim 2, wherein said iron (Fe) forms at the most 0.3 % by weight of described alloy.
5. aluminium alloy as claimed in claim 1, it also comprises the zirconium (Zr) of 0.01 % by weight to 1.0 % by weight.
6. for the method for die casting electronic equipment part from aluminium alloy, wherein said aluminium alloy comprises: the silicon (Si) of 4.0 % by weight to 10.0 % by weight, the magnesium (Mg) of 0.1 % by weight to 4.0 % by weight, the chromium (Cr) of 0.1 % by weight to 1.0 % by weight, the zinc (Zn) of 0.05 % by weight to 1.0 % by weight, the manganese (Mn) of % by weight 0.05 to 1.0 % by weight, the titanium (Ti) of 0.01 % by weight to 1.0 % by weight, the tin (Sn) of 0.001 % by weight to 0.5 % by weight and the aluminium of 81.5 % by weight to 95.689 % by weight and at least one impurity.
7. method as claimed in claim 6, wherein during described die casting, described aluminium alloy experiences the casting temp of 680 DEG C to 750 DEG C.
8. method as claimed in claim 6, wherein during described die casting, described aluminium alloy experiences the casting pressure of 75MPa.
9. method as claimed in claim 6, wherein said aluminium alloy shows the tensile strength of 250Mpa to 350Mpa.
10. method as claimed in claim 6, wherein said aluminium alloy shows the yield strength of 150Mpa to 250Mpa.
11. methods as claimed in claim 6, wherein said aluminium alloy shows the elongation at break of 2.0% to 4.5%.
12. methods as claimed in claim 6, wherein said electronic equipment part comprises at least one in the shell of described electronics, inner casing and frame.
The method of 13. manufacture aluminium alloys, comprising:
By temperature aluminium (Al) being heated to 700 DEG C to 800 DEG C, aluminium (Al) is melted;
The aluminium (Al) of described fusing is heated to 850 DEG C with the temperature of 900 DEG C, and add silicon (Si) to the aluminium (Al) of described fusing, thus produce the first intermediate alloy;
Described first intermediate alloy is heated to 1200 DEG C or lower temperature, and adds chromium (Cr), manganese (Mn) and titanium (Ti) to produce the second intermediate alloy to described first intermediate alloy;
Described second intermediate alloy is cooled to the temperature of 700 DEG C to 800 DEG C, and zinc (Zn) and tin (Sn) is added into described second intermediate alloy to produce described aluminium alloy,
Wherein said aluminium alloy comprises: (Si) of 4.0 % by weight to 10.0 % by weight silicon, the magnesium (Mg) of 0.1 % by weight to 4.0 % by weight, the chromium (Cr) of 0.1 % by weight to 1.0 % by weight, the zinc (Zn) of 0.05 % by weight to 1.0 % by weight, the manganese (Mn) of 0.05 % by weight to 1.0 % by weight, the titanium (Ti) of 0.01 % by weight to 1.0 % by weight, the tin (Sn) of 0.001 % by weight to 0.5 % by weight, and the aluminium of 81.5 % by weight to 95.689 % by weight and at least one impurity.
14. methods as claimed in claim 13, also comprise the amount regulating the described at least one impurity existed in described alloy,
Wherein said at least one impurity comprises at least one in copper (Cu), nickel (Ni) and iron (Fe),
Wherein said copper (Cu) forms at the most 0.05 % by weight of described alloy, and described nickel (Ni) forms at the most 0.05 % by weight of described alloy,
Wherein said iron (Fe) forms at the most 0.3 % by weight of described alloy.
15. methods as claimed in claim 13, also comprise and add zirconium (Zr) to described first intermediate alloy, wherein said aluminium alloy also comprises the zirconium (Zr) of 0.01 % by weight to 1.0 % by weight.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020140116485A KR101641170B1 (en) | 2014-09-02 | 2014-09-02 | Aluminum alloy for diecasting and manufacturing method thereof |
| KR10-2014-0116485 | 2014-09-02 |
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| Publication Number | Publication Date |
|---|---|
| CN105385903A true CN105385903A (en) | 2016-03-09 |
| CN105385903B CN105385903B (en) | 2018-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510557045.3A Active CN105385903B (en) | 2014-09-02 | 2015-09-02 | Aluminium alloy and its manufacture method for molding |
Country Status (5)
| Country | Link |
|---|---|
| US (2) | US20160060731A1 (en) |
| EP (1) | EP2992983B1 (en) |
| KR (1) | KR101641170B1 (en) |
| CN (1) | CN105385903B (en) |
| ES (1) | ES2768682T3 (en) |
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| CN106367638A (en) * | 2016-08-28 | 2017-02-01 | 广州华车科技有限公司 | Automotive alloy and manufacturing method thereof |
| CN110073015A (en) * | 2016-12-16 | 2019-07-30 | Lg电子株式会社 | Aluminium diecasting alloy and the die casting die casting manufactured using the aluminium alloy |
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- 2015-09-02 CN CN201510557045.3A patent/CN105385903B/en active Active
- 2015-09-02 ES ES15183486T patent/ES2768682T3/en active Active
- 2015-09-02 EP EP15183486.8A patent/EP2992983B1/en active Active
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- 2020-07-24 US US16/937,854 patent/US20200354817A1/en not_active Abandoned
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| CN102363851A (en) * | 2011-11-02 | 2012-02-29 | 永鑫精密材料（无锡）有限公司 | Aluminum alloy strip for mobile phone shell formed by stamping and deep drawing |
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| CN106367638A (en) * | 2016-08-28 | 2017-02-01 | 广州华车科技有限公司 | Automotive alloy and manufacturing method thereof |
| CN110073015A (en) * | 2016-12-16 | 2019-07-30 | Lg电子株式会社 | Aluminium diecasting alloy and the die casting die casting manufactured using the aluminium alloy |
| CN110073015B (en) * | 2016-12-16 | 2021-12-21 | Lg电子株式会社 | Aluminum alloy for die casting and die-casting die cast made of the aluminum alloy |
| US11318526B2 (en) | 2016-12-16 | 2022-05-03 | Lg Electronics Inc. | Aluminum alloy for die casting and die casting mold manufactured using the same |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2992983A1 (en) | 2016-03-09 |
| EP2992983B1 (en) | 2019-11-20 |
| KR20160027853A (en) | 2016-03-10 |
| ES2768682T3 (en) | 2020-06-23 |
| CN105385903B (en) | 2018-01-05 |
| US20160060731A1 (en) | 2016-03-03 |
| KR101641170B1 (en) | 2016-07-20 |
| US20200354817A1 (en) | 2020-11-12 |
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