Cu-based bulk and amorphous alloy composite and preparation method thereof

A technology of amorphous alloys and composite materials, applied in the field of material science, can solve problems such as increased cost and complexity of pre-deformation process, unfavorable in-situ formation of strong and tough phases, poor work hardening ability, etc., and achieves obvious work hardening ability and tensile strength Plasticity, the effect of solving room temperature brittleness and strain softening, and high hardness mechanical properties

Inactive Publication Date: 2017-06-27
HEILONGJIANG UNIVERSITY OF SCIENCE AND TECHNOLOGY
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  • Abstract
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  • Claims
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Problems solved by technology

In the currently developed Ti-based and Zr-based amorphous alloy composite materials, although they exhibit certain compressive plasticity, there is a problem of strain softening.
In CuZr-based amorphous composites, martensitic transformation is induced to produce plasticity by adding noble metal Ta or requiring pre-deformation of the sample, but the addition of noble metals increases the cost and the complexity of t...

Method used

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  • Cu-based bulk and amorphous alloy composite and preparation method thereof

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Effect test

Embodiment 1

[0010] Using Cu, Zr, Al, Nb four elements, according to the mass of each alloy master ingot 10g, prepare Cu 44.3 Zr 48 Al 4 Nb 3.7 The weight of each component of the amorphous alloy is used to prepare a bulk amorphous composite material with a diameter of 3 mm.

Embodiment 2

[0012] Using Cu, Zr, Al, Hf four elements, according to the mass of each alloy master ingot 10g, prepare Cu 48 Zr 45 Al 6 f 1 The weight of each component of the amorphous alloy is used to prepare a bulk amorphous composite material with a diameter of 4 mm.

Embodiment 3

[0014] Using Cu, Zr, Al, Y four elements, according to the mass of each alloy master ingot 10g, prepare Cu 48 Zr 45 Al 6 Y 1 The weight of each component of the amorphous alloy is used to prepare a bulk amorphous composite material with a diameter of 5 mm.

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Abstract

A Cu-based bulk and amorphous alloy composite and a preparation method thereof belong to the field of material science. The Cu-based bulk and amorphous alloy composite comprises the following ingredients by percent: 40-50% of Cu, 40-50% of Zr, 0-10% of Al and 0-7% of M, wherein M is any one of Nb, Hf and Y. After repeated smelting in a smelting furnace copper crucible, on dependency of self-weight, a self-flowing pouring method is adopted to prepare the Cu-based bulk and amorphous alloy composite. The problems of room-temperature brittleness and strain softening of amorphous alloy are effectively solved, and favorable tensile plasticity is achieved.

Description

technical field [0001] The invention belongs to the field of material science, and mainly relates to a copper-based bulk amorphous alloy composite material and a preparation method thereof. Background technique [0002] Bulk amorphous alloys suffer from room temperature brittleness and strain softening defects, which severely limit their use as engineering materials. In order to solve the problems of room temperature brittleness and strain softening of amorphous alloys, different types of amorphous composite materials have been developed. There are mainly two types of existing amorphous composite materials: one is composite materials formed by endogenous strong and tough phases, and the other is composite materials formed by external strong and tough phases. Due to the poor connection strength between the external strengthening and toughness phase and the amorphous alloy matrix and the complexity of the composite material preparation process, the external strengthening and ...

Claims

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Application Information

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IPC IPC(8): C22C45/00C22C45/10
CPCC22C1/02C22C45/001C22C45/10C22C1/11
Inventor 梁维中宁志良陈永生孙海超康志杰刘鑫池
Owner HEILONGJIANG UNIVERSITY OF SCIENCE AND TECHNOLOGY
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