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Alloy material with high comprehensive performance and preparation method thereof

A technology of comprehensive properties and alloy materials, applied in metal material coating technology, metal processing equipment, coatings, etc., to achieve the effect of improving plasticity and mechanical properties, excellent comprehensive properties, and good mechanical properties

Active Publication Date: 2019-05-31
ANHUI POLYTECHNIC UNIV MECHANICAL & ELECTRICAL COLLEGE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The technical problem to be solved by the present invention: In view of the shortcomings of the current cast aluminum-silicon alloy, the present invention provides an alloy material with high comprehensive performance, which meets the toughness requirements of good plasticity and not easy to break while having high strength and hardness

Method used

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  • Alloy material with high comprehensive performance and preparation method thereof
  • Alloy material with high comprehensive performance and preparation method thereof
  • Alloy material with high comprehensive performance and preparation method thereof

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Embodiment 1

[0035] Embodiment 1: prepare the alloy material of high comprehensive performance as follows:

[0036] 1. Preparation of raw materials:

[0037] Fe, Cu, Au, Pd, Ho, Al all use pure substances as raw materials for preparation, and the purity is greater than 99.9%; Sr is prepared in the form of aluminum-strontium alloy, wherein the weight percentage of Sr is 10%, and the rest is aluminum; Ni The form of aluminum-nickel alloy is used as the raw material for preparation, wherein the weight percentage of Ni is 15%, and the rest is aluminum; Si, Mg, and Zn are prepared in the form of aluminum-magnesium-zinc alloy, and the content of Si is 30wt%; Zn The content is 20wt%; the content of Mg is 2.0wt%, and the rest is aluminum.

[0038] Au, Pd, Ho, and Fe pure material raw materials are in the form of powder, with an average particle size of 100 mesh; the aluminum-magnesium-zinc alloy and copper raw materials are alloy ingots, and the aluminum-nickel alloy and aluminum-strontium alloy ...

Embodiment 2

[0048] Embodiment 2: prepare the alloy material of high comprehensive performance as follows:

[0049] 1. Preparation of raw materials:

[0050] Fe, Cu, Au, Pd, Ho, Al all use pure substances as raw materials for preparation, and the purity is greater than 99.9%; Sr is prepared in the form of aluminum-strontium alloy, wherein the weight percentage of Sr is 10%, and the rest is aluminum; Ni The form of aluminum-nickel alloy is used as the preparation raw material, wherein the weight percentage of Ni is 15%, and the rest is aluminum; Si, Mg, and Zn are prepared in the form of aluminum-magnesium-zinc alloy, and the content of Si is 24wt%; Zn The content is 4wt%; the content of Mg is 1.6wt%, and the rest is aluminum.

[0051] Au, Pd, Ho, and Fe pure material raw materials are in the form of powder, with an average particle size of 200 mesh; the aluminum-magnesium-zinc alloy and copper raw materials are alloy ingots, and the aluminum-nickel alloy and aluminum-strontium alloy are a...

Embodiment 3

[0061] Embodiment 3: prepare the alloy material of high comprehensive performance as follows:

[0062] 1. Preparation of raw materials:

[0063] Fe, Cu, Au, Pd, Ho, Al all use pure substances as raw materials for preparation, and the purity is greater than 99.9%; Sr is prepared in the form of aluminum-strontium alloy, wherein the weight percentage of Sr is 10%, and the rest is aluminum; Ni The form of aluminum-nickel alloy is used as the preparation raw material, wherein the weight percentage of Ni is 15%, and the rest is aluminum; Si, Mg, and Zn are prepared in the form of aluminum-magnesium-zinc alloy, wherein the content of Si is 27wt%; The content is 12wt%; the content of Mg is 1.8wt%, and the rest is aluminum.

[0064] Au, Pd, Ho, and Fe pure material raw materials are in the form of powder, with an average particle size of 150 mesh; the aluminum-magnesium-zinc alloy and copper raw materials are alloy ingots, and the aluminum-nickel alloy and aluminum-strontium alloy are...

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Abstract

The invention discloses an alloy material with high comprehensive performance and a preparation method thereof. The alloy material consists of the following components in percentage by weight: 9-12% of Si, 0.4-0.7% of Fe, 1-3% of Cu, 0.004-0.006% of Au, 0.6-0.8% of Mg, 0.4-0.7% of Pd, 0.5-0.8% of Ni, 2-6% of Zn, 1-4% of Sr, 0.2-0.5% of Ho and the balance Al. Solute atoms dissolved into a solid solution increase the strength and hardness of an alloy solid solution so that the alloy material has good stability, practicability and mechanical properties. The preparation method adopts zone meltingto introduce a Pd-Ho crystal phase, so that the plasticity of an amorphous alloy is significantly improved. Due to the forging and heat treatment technologies after casting, the microstructure and themechanical properties of the alloy material are improved, and the alloy material has relatively high comprehensive performance.

Description

technical field [0001] The invention belongs to the field of aluminum alloy materials, and in particular relates to an alloy material with high comprehensive performance and a preparation method thereof. Background technique [0002] According to the arrangement of atoms, substances can be divided into two categories: crystalline and amorphous. When the atomic arrangement of the material is regular and orderly, it is a crystalline material. Otherwise, the atomic arrangement is irregular and it is amorphous. When the atomic arrangement structure of a solid alloy is similar to that of a liquid metal, it is called an amorphous alloy when it is a long-range disordered state. The amorphous state can be obtained by not crystallizing during the cooling process of the substance, and can also be prepared by vapor phase deposition, ion beam mixing and other methods. Amorphous alloys are different from traditional oxide glasses. Atoms in amorphous alloys are connected by metal bonds r...

Claims

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Application Information

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IPC IPC(8): C22C21/02C22C1/03C23C24/10C22F1/043B21J5/00
Inventor 赵浩峰夏俊王青青
Owner ANHUI POLYTECHNIC UNIV MECHANICAL & ELECTRICAL COLLEGE
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