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Composite material of amorphous metal and plastics, composite shell and preparation method of composite material

A technology of amorphous metal and composite materials, applied in the direction of metal layered products, chemical instruments and methods, synthetic resin layered products, etc., can solve the problems of high cost and high price, achieve low cost, low cost, increase viscosity The effect of fastening

Inactive Publication Date: 2011-08-17
胡军辉
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to its high price, it is obviously impractical to use lightweight amorphous metal for the entire laptop casing, because the cost is still too high

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0033] The invention relates to a composite material of amorphous metal and plastic, and also relates to a composite shell made of the composite material of amorphous metal and plastic and a preparation method thereof. Composite materials not only have the corrosion resistance, wear resistance, electromagnetic radiation resistance and good external sensory properties of amorphous metals, but also have the characteristics of light weight of plastics. At the same time, because the amorphous metal layer is very thin, the entire composite material The cost is quite low.

[0034] The amorphous metal includes one or more of zirconium-based, iron-based, copper-based, nickel-based and cobalt-based amorphous metals.

[0035] Preferably, the amorphous metal is zirconium-based or / and iron-based amorphous metal.

[0036] The plastics include one or more combinations of PA, PC, PET, PP and ABS.

[0037] Preferably, said plastic is polycarbonate and acrylonitrile-butadiene-styrene copolym...

Embodiment 1

[0040] A composite material of amorphous metal and plastic, which is prepared by the following method:

[0041] (1) Make the nickel-based amorphous metal flakes with a uniform thickness of 5 μm attached to the inner wall of the cuboid injection mold cavity, the cavity thickness of the injection mold cavity is uniform, which is 0.2mm;

[0042] Specifically: cutting an amorphous metal sheet slightly larger than the inner surface area of ​​the front mold of the injection molding cavity from a thin nickel-based amorphous metal strip with a thickness of 5 μm, and placing the nickel-based amorphous metal sheet Stamping in a mold with the same shape as the front mold of the injection cavity to form a metal profile with the same shape as the inner surface of the injection cavity front mold, and placing the metal profile in the front mold of the injection cavity, Close the front mold and the back mold so that the metal profile is firmly in contact with the inner wall of the front mold ...

Embodiment 2

[0046] A composite material of amorphous metal and plastic, which is prepared by the following method:

[0047] (1) Cobalt-based amorphous metal flakes with a uniform thickness of 150 μm are attached to the inner wall of the cuboid injection mold cavity front mold and rear mold, and the cavity thickness of the injection mold cavity is uniform, which is 6mm;

[0048] Specifically, two amorphous metal sheets with a slightly larger inner surface area than the front mold and the rear mold of the injection mold cavity are cut from a cobalt-based amorphous metal strip with a thickness of 150 μm, and the two cobalt-based amorphous metal sheets are The crystalline metal flakes are respectively placed in molds with the same shape as the front mold and the rear mold of the injection cavity, and are stamped to form two metal profiles with the same shape as the surfaces of the front mold and the rear mold in the injection cavity. The metal profile is respectively placed in the front mold ...

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Abstract

The invention relates to a composite material of amorphous metal and plastics, a composite shell and a preparation method of the composite material, belonging to the technical field of macromolecule engineering materials. The composite material comprises an amorphous metal layer and a plastic layer adhered with the amorphous metal layer together, wherein the thickness of the amorphous metal layer is from 5 to 150mu m, and the thickness of the plastic layer is from 0.2 to 6 mm. The composite material is prepared by adopting the preparation method comprising the following steps of: (1) adhering an amorphous metal sheet to the inner wall of an injection mould chamber, (2) injecting molten plastic into an injection port of the injection mould chamber, cooling and forming so that the amorphous metal layer and the plastic layer are adhered together to form an entire body. Through compositing plastic on the amorphous metal sheet, the composite material has the advantages of corrosion resistance, wear-resisting property, electromagnetic radiation prevention property and favorable external sensitive property of amorphous metal, and also has the characteristic of plastic, such as light weight. Meanwhile, because the amorphous metal layer is very thin, the cost of the entire composite material is rather low.

Description

【Technical field】 [0001] The invention belongs to the technical field of polymer engineering materials, and relates to a composite material of amorphous metal and plastic, a composite shell and a preparation method thereof. 【Background technique】 [0002] Amorphous metals are metals in which atoms are arranged in three-dimensional space without long-range order. Compared with crystalline metals, amorphous metals undergo significant changes in physical, chemical, and mechanical properties. Amorphous metals have high dislocation density, uniform macrostructure, and no defects such as grain boundaries, which are considered to be the main reasons for high toughness and high strength. [0003] From a structural point of view, amorphous metals have no defects such as grain boundaries and stacking faults, no segregation, precipitation, and heterogeneous phases. When appropriate elements are added to form a metastable state, they will show amazing corrosion resistance. Alkaline or...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B32B15/08B32B37/15
CPCB29C45/14778B29K2305/00B32B25/14B32B27/365B29C45/14B32B27/00B32B15/04B32B27/36B32B27/32
Inventor 胡军辉刘彬
Owner 胡军辉
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