JPS58112730A - Manufacture of laminated shape consisting of amorphous alloy and thermoplastic resin - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method for manufacturing a laminate molded product in which a ribbon or thin plate of an amorphous alloy is sandwiched between two thermoplastic resin films and fused together.

An amorphous alloy is, for example, one or more of iron, chromium, cobalt, nickel, etc. as a basic component, to which one or more of carbon, carbon, silicon, molybdenum, -element, etc. is added as an auxiliary component. It is an amorphous alloy. Since this alloy is amorphous, it has characteristic electrical, magnetic, chemical, and mechanical properties that cannot be obtained with ordinary metal materials. For example, an amorphous alloy has a very strong magnetic shielding effect. However, due to problems with the cooling rate of amorphous alloys, currently only thin plates with a thickness of about 100 mm or less can be obtained, and as they are, they have poor rigidity and are difficult to deform plastically.

The present invention solves the above problems and provides a method for easily processing amorphous molded products.

That is, the method of the present invention adds a core of an amorphous alloy thin plate with a run-up dimension and a thermoplastic resin film, and the mineralization of the resin is reduced by one point or less for this laminated experience. 0.1 to 5 in the molding process at a temperature (hereinafter referred to as early ≦ 2 failures 1-degree) and at a temperature μs of one or more points of the resin and at a temperature below the crystallization temperature of the amorphous alloy. The process of holding and fusing under the pressure of
? /The construction can be done by changing this order. Therefore, a highly rigid laminate molded product with the favorable elasticity of an amorphous alloy is the first choice.

The order of the above-mentioned forming process and fusion process may be arbitrary, but if the amorphous alloy thin plate and the resin film are not fused* and can be formed, it is preferable to perform the forming process first (or second). However, when forming amorphous alloy thin plate and resin film in multiple layers (two layers) before forming, there is a risk that additional rubbing will occur and the quality of the molded product will be impaired. When manufacturing a molded product with a complex shape, there is a similar risk. Alternatively, a simple intermediate molded product is manufactured, and then a molding process is carried out to obtain a molded product of the desired shape, and then, if necessary, the molded product is melted again.
By adding the sanding process, molded products with a wider range of shapes can be obtained.

Many types of thermal iJ plastic resin films can be used to laminate the amorphous alloy Φ thin plate in the method of the present invention. The reason for this is that the surface of an amorphous alloy manufactured by the molten metal quenching method has irregularities of C2 pairs on both the free-solidifying surface and the roll-bearing surface. This is because the thin alloy plate and the resin film can be tightly bonded to each other. However, preferably an inorganic material (one that can be fused) is used as the thermoplastic resin. However, amorphous alloys tend to gradually dicrystallize and lose their desirable properties at high temperatures, and may also become brittle at temperatures well below their crystallization temperature. Therefore, the melting point of the resin used is preferably 200°C or lower. Examples of such resins include, for example, ethylene-vinyl acetate copolymer (F#J trade name MO (lie-IJQQH: manufactured by Mitsubishi Yuka Co., Ltd. or trade name Bond Pa5t).
B: manufactured by Konishi Co., Ltd.), and copolymerized nylon.

These resins are generally used in the form of a film with a thickness of 4 to 250 μm, but they may also be applied to an amorphous alloy thin plate after being dissolved or dispersed in a solvent or dispersant.

Examples of amorphous alloys used in the present invention include: F e a HA 4 @ P 1a B
e, F e mPIs (2F%”76”10
B14% “614 N11&@”10 View
lFen81 lo B 12.1'@s t B
tt s 81t * Ot , 1'e @OO74
B m and Fe, Co, 811sB,. .

Lamination of an amorphous alloy thin plate and a thermoplastic resin film is performed by setting the alloy thin plate and resin film to a predetermined dimension C2 in advance to a desired thickness (
The upper and lower surfaces of the laminated product are formed with a resin film having a general width. However, requirement 1: 10,000 or both of the upper and lower surfaces may be made of thin alloy plates. Further, 62, the thus obtained laminate (set Q1 or set 2 C may be laminated; in this case, the laminates of each set may be stacked alternately (2 sets) using the toothpick shown in Example 142 below, and the shape C of the desired molded product. They may be laminated with their directions aligned.

Using a narrow amorphous alloy ribbon, a molded product with large dimensions is manufactured (Secondly, as shown in Example 2C2 below, a plurality of C2 alloy ribbons are placed between the resin films in the width direction (two consecutive examples). At this time, the longitudinal direction of the ribbons of the laminated thin alloy sheets that overlap each other is perpendicular to each other (the two pieces are laminated in the vertical direction through the resin film). A magnetic shielding effect can be imparted.

The laminate V formed in this manner is formed by, for example, bending the laminate C2, inserting it into the deaf, or pressing it with a mold. Molding at this time? ! The softening point of *m must be, for example, above about 50° C. and below the melting point. In this temperature range, the resin deforms easily under external force, and the amorphous alloy also bends and deforms, allowing the laminate to be molded into the desired shape9. 1N is 0.1 at a temperature of 3 units above the temperature of one point of the resin (-00 to 240 °C) and below the crystallization temperature of the amorphous alloy (generally <2350 to 500 °C). Apply pressure Tc-1 to 5 kg/wI and hold for 10 minutes (perform from step 2. Pressurize 1r7.
The reason for this is to improve the brittleness of the amorphous alloy.

It is especially important to perform this melting process at a temperature higher than the crystallization temperature of the amorphous alloy. Otherwise, the amorphous alloy will crystallize and become brittle, making it difficult to obtain a molded article 'Ik with the desired flaw stiffness. Therefore, the melt phase is carried out at a temperature of 100 to 240°C. After I&II is attached, the unit is cooled at Uni pressure, and after the resin is solidified, it is returned to normal pressure (return to normal pressure) to obtain a molded product or preformed product.

A laminate molded product made of an amorphous alloy and a thermoplastic resin obtained by the method of the present invention is lighter and has -11 C2 corrosion compared to a molded product made of a conventional metal material. This complicated nature will be explained with the following simple example of C1.

Test Example 1 An amorphous alloy ribbon 2 with a thickness of 25 μ and a width of 10 m and an ethylene-vinyl acetate copolymer of a commercially available thermoplastic resin with a thickness of 25 #I and a composition of 4ON140P14B11 manufactured by a molten metal quenching method. (Modic 4100H) sheets 1 and 2 are stacked in 10 layers (two alternating layers) as shown in Figure 1, and the laminate is heated at 100 to 240°C (100 to 240°C), which is above the melting point of the resin and below the crystallization temperature of the amorphous alloy. After holding the 1-'' pressure in the heated mold for 3 minutes, the mold temperature was cooled to 40'C while still under pressure. A laminate of - was obtained.

A test piece with a width of 10 cm and a length of 200 cm was cut out from this laminate, and its flexural modulus (Young's modulus) was measured using the following formula: % formula % [where 2 is Young's modulus (I#/sw) b Board width (■) t is board thickness (-) 1. ] When the bending stiffness was calculated using the general calculation method expressed as
f! As shown in Figure 1, I was able to obtain a value of C28200 kfKw2. The laminate of this test example was made of a steel plate with a thickness of about 0.8 mm and a bending rigidity equivalent to that of the laminate, and about half the weight of the steel plate.

In addition, when we investigated the relationship between the above mold temperature and the shear tensile strength of the bonding surface between the resin and the amorphous alloy ribbon, we found that
30-60 kg/cm2 at 240”C mold temperature range
The above-mentioned good shear tensile strength was obtained.

Furthermore, when we investigated the relationship between the shear tensile strength of the adhesive surface and the shear tensile strength of the adhesive surface by changing the thickness of the 1-1 thermal aJ plastic resin sheet, we found that the sheet thickness ranged from 4 to 250, with a score of 4 or more. A high shear tensile strength was obtained.

Test Example 2 An amorphous alloy ribbon with a thickness of 25 μm and a diameter of 10 μm having a composition of Fe, Ni, and Mo4Bts manufactured by a molten metal quenching method, and a commercially available thermoplastic film with a thickness of 80 μm and dimensions of 150 x 150 vm. Resin ethylene-vinyl acetate copoly-
7-(Moaic-ICl0QH) was used.

These ribbons 2 and sheet 1 were stacked alternately (210 layers) as shown in FIG. 2. At this time, the amorphous alloy ribbon 2
15 pieces each with a length of 150 snow were lined up and stacked so that they were sandwiched between 1 and 2 (resin seams).This laminate was heated at 140℃ (= made of heated gold (- set 3)). ty/
After pressurizing for 3 minutes at ``ex'', the mold was cooled to 40°C while still being pressurized, and returned to normal pressure C to obtain a laminate.

From the 1.7cm thick laminate obtained in this way,
A test piece with a width of 10 mm and a length of 200 mm was cut out and its bending rigidity was measured. As a result, a bending stiffness value of 9000 kg×2 was obtained. Compared to this and a steel plate having a thickness of about 0.8 cm and having a bending rigidity of T'', the weight of the laminated plate of this test example was reduced by about half C-.

The method for manufacturing a molded article according to the present invention will be described in detail based on Example C below.

Example 1 Fe ta 81s manufactured by molten metal quenching method. An amorphous alloy ribbon having a composition of B14 and having a thickness of 25 μm and a width of 50 m and a commercially available film-like thermoplastic resin ethylene-vinyl acetate copolymer having a thickness of 80 μm and dimensions of 50×100 μm.
A sheet of Modic-plooB was used. Fig. 3 M: Taking the method shown in Fig. 3, two sets of laminates 3 are created by placing this thin strip 2 between two sheets of paper, and these laminates 3.3 are arranged in a cross shape C. After letting it happen, 6
．． The third IB was bent at a temperature of 0°C.

C (as shown) (2) was inserted into the mold 4 (2) and held at 140°C under a pressure of 1 mm/cfn2 (23 minutes). A box-shaped case 5 was obtained as shown in Figure D (2).

1. Make the sum and lid of the box-shaped case 5 created by ζ-d in this way. When I left it to KF and used it as a magnetic shield box, it had an excellent hunting shield effect.

Example 2 1) lPe768110B14 manufactured by f+ hot water quenching method
Amorphous alloy ribbon and thickness 80mm, dimensions 150x150
A sheet of commercially available film state = 1 plastic resin ethylene vinyl acetate copolymer (MocLic4]00H) was used. As shown in Fig. 4, the amorphous alloy ribbons 2 are each 150 mm in length, and two sets of laminates 3 are prepared by arranging three resin sheets and layering them between three resin sheets. (The two laminates 3 and 3v alloy ribbons were aligned so that their longitudinal directions were perpendicular to each other.

This laminate "V" was heated to 40°C, then the mold was heated, and the mold was pressurized for 3 minutes, then cooled to 40°C while still under pressure, and then returned to normal pressure by 6°C. A laminate was obtained.

Thickness 0.5 wm, dimension 1 obtained in this way
A 50x150cm laminate was heated to 70°C (diameter 40cm).
K.

Tighten the roll face of a steel roll to form a cylindrical shape (after forming a cylindrical shape, heat the 5m portion of the electric charge to 140℃, and then hold it for 3 minutes while applying pressure) After that, it was cooled to 40℃ and the diameter was 40m+.
A cylindrical molded product with a length of 150 cm was obtained.

2) The total thickness of the amorphous alloy manufactured in 1) above is 50
A μm cylindrical molded product was used to measure its magnetic shielding effect. The measurement was carried out in accordance with the A8TM test method, by placing the above cylinder on top of the Helmholtz coil, and applying the magnetic field generated from the Helmholtz coil (Ho
), and the magnetic i/-7+/de coefficient 8, = Ho
, I did what I was looking for from C2. This #1 constant was performed for both a DC magnetic field and a variable current magnetic field (60)1z), and in both cases, the cylindrical molded product of this example was 5
It showed a high magnetic shielding coefficient of 0 or more.

The effect of the general C2 shielding material is better as the thickness of the metal plate forming the shielding material increases, but if the thickness of the metal plate is the same, C2 uses a thinner metal plate. By carefully using several sheets and increasing the interval between them, the magnetic shielding effect will be enhanced (2. The rigidity of the shielding material will also be increased.In light of this fact, the present invention The molded product manufactured by this method is not a scale in which the amorphous alloy itself has an excellent magnetic shielding effect, but the combination of the amorphous alloy thin plate and the resin film completely satisfies the above requirements for enhancing the magnetic shielding effect. In the toothpick of Example 2 above, the longitudinal direction of the alloy ribbon forming each amorphous alloy thin plate layer is changed to shield the lines of magnetic force between each side, which improves the magnetic shielding effect of the molded product. Therefore, the molded product manufactured by the method of the present invention has several times the shielding effect of conventional magnetic shielding material components C woven from amorphous alloy, and has a much higher g It had high rigidity.

Furthermore, D5. The parts are made of a combination of amorphous alloys, thermoplastic resins, and low-resistance metal materials that have an electromagnetic shielding effect. It can be made into a product.

As explained above, the present invention provides an easy method for obtaining molded products that take advantage of the characteristics of amorphous alloys.
The molded product obtained by this method is an excellent molded product that can be applied to magnetic shield parts and other fields.

[Brief explanation of drawings]

Figure 1 is a diagram showing the laminated plate of Test Example 1, tIP! Figure I2 is a diagram showing the stacking state of the laminate of Test Example 2, Figure 3 A, B, 0 is an explanatory diagram of the molding process of the molded product of Example 1, and Figure 3 is a diagram of the molded product of Example 1. Is the perspective view, Figure 4, a garnishment? Manufacture of molded product of lJ 2 (- is a diagram showing the state of stacking of the used laminates. 1... Thermoplastic dendrite membrane 2... Amorphous alloy thin plate 3... - Lamination of sets Plate 4...Mold 5...Molded product (1 other person) Fang 1 figure 2 figure Fang 3 figure

Claims (6)

[Claims] (1) Laminate at least one layer of an amorphous alloy thin plate of a predetermined size and a thermoplastic resin film, and mold the resulting laminate into an F9r regular shape C2 at a temperature above the softening temperature and below the melting point of the resin. Then, the laminate molded product is fused under a pressure of 0.1 to 5 degrees at a temperature higher than the melting point of the resin and lower than the crystallization temperature of the amorphous alloy. Production method. (2) As a thin plate of amorphous alloy, a predetermined number of amorphous alloy ribbons are lined up in the width direction of the ribbon, and a thermoplastic resin film is interposed between the top and bottom (double ribbons of the thin plate). The method according to claim 1, wherein the directions are mutual (bi-orthogonal, 62). (3) A patent claim in which the amorphous alloy thin plate and the thermoplastic resin film are laminated by applying a thermoplastic resin dissolved or dispersed in a two-bath agent or a dispersant to the amorphous alloy thin plate. The method described in Scope 1. (4) A thin plate of an amorphous alloy of a predetermined size and at least one thermoplastic resin film are laminated, and the resulting laminate is heated at a temperature above the melting point of the resin and below the crystallization temperature of the amorphous alloy. After fusion by holding at a pressure of 0.1 to 5 ky'crtr, the molded product is molded into a predetermined shape at a temperature above the softening point and below the melting point of the resin, and the molded product is again At a temperature above the melting point of the resin and below the crystallization temperature of the amorphous alloy, under a pressure of 0.1 to 5 to a false pressure (21 to 10
A method for manufacturing a laminate molded product characterized by holding the product for a minute to form a melt layer. (5) As a thin plate of amorphous alloy, a predetermined number of amorphous alloy ribbons are lined up in the width direction of the ribbon, and the top and bottom (double ribbons of the thin plate) are separated by a thermoplastic resin film. The method according to claim 4, wherein the directions are mutually orthogonal. (6) Laminating the amorphous alloy thin plate and the thermoplastic resin film by coating the amorphous alloy plate with a thermoplastic resin dissolved or dispersed in a C'-solvent or linear dispersant. The method according to claim s4.