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A kind of foam iron reinforced aluminum matrix composite material with high temperature wear resistance and preparation method thereof

A composite material and reinforced aluminum-based technology, which is applied in the field of aluminum alloys, can solve the problems that the wear resistance needs to be strengthened, and achieve the effects of improving impact resistance, improving high temperature wear resistance, and hindering the expansion of cracks

Active Publication Date: 2022-05-17
绍兴恒驰材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, research institutions at home and abroad have researched and developed aluminum-based composite brake discs, but the current aluminum-based brake disc materials are mainly reinforced by ceramic particles. Particle-reinforced aluminum-based composite materials further improve the hardness of aluminum alloys. Strength and wear resistance, but its wear resistance under high temperature conditions needs to be strengthened

Method used

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  • A kind of foam iron reinforced aluminum matrix composite material with high temperature wear resistance and preparation method thereof
  • A kind of foam iron reinforced aluminum matrix composite material with high temperature wear resistance and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043]A foamed iron-reinforced aluminum matrix composite material with high temperature wear resistance, which is composed of a matrix alloy and a reinforcement phase. The matrix alloy is a reinforced aluminum alloy with aluminum alloy as the matrix and micron-sized SiC particles as the reinforcement material. The reinforcement phase is three-dimensional Skeleton through-hole foam iron; and the foam iron and matrix alloy form a network interweaving and interpenetrating structure in three-dimensional space. The composition percentage of aluminum alloy is as follows: Si 8.5-9.5%, Fe 0-0.2%, Cu 0-0.2%, Mg 0.4-0.65%, Ti 0-0.2%, Al balance; SiC particle size is 10-20μm, The volume percentage of SiC particles is 10%.

[0044] Foamed iron reinforced aluminum matrix composites are prepared by the following steps, which include:

[0045] Step 1, cleaning and oxidation treatment of SiC particles:

[0046] s1, use deionized water to ultrasonically clean the SiC particles, and use an el...

Embodiment 2

[0065] A foamed iron-reinforced aluminum matrix composite material with high temperature wear resistance, which is composed of a matrix alloy and a reinforcement phase. The matrix alloy is a reinforced aluminum alloy with aluminum alloy as the matrix and micron-sized SiC particles as the reinforcement material. The reinforcement phase is three-dimensional Skeleton through-hole foam iron; and the foam iron and matrix alloy form a network interweaving and interpenetrating structure in three-dimensional space. The composition percentage of aluminum alloy is as follows: Si 8.5-9.5%, Fe 0-0.2%, Cu 0-0.2%, Mg 0.4-0.65%, Ti 0-0.2%, Al balance; SiC particle size is 10-20μm, The volume percentage of SiC particles is 15%.

[0066] Foamed iron reinforced aluminum matrix composites are prepared by the following steps, which include:

[0067] Step 1, cleaning and oxidation treatment of SiC particles:

[0068] s1, use deionized water to ultrasonically clean the SiC particles, and use an e...

Embodiment 3

[0087] A foamed iron-reinforced aluminum matrix composite material with high temperature wear resistance, which is composed of a matrix alloy and a reinforcement phase. The matrix alloy is a reinforced aluminum alloy with aluminum alloy as the matrix and micron-sized SiC particles as the reinforcement material. The reinforcement phase is three-dimensional Skeleton through-hole foam iron; and the foam iron and matrix alloy form a network interweaving and interpenetrating structure in three-dimensional space. The composition percentage of aluminum alloy is as follows: Si 8.5-9.5%, Fe 0-0.2%, Cu 0-0.2%, Mg 0.4-0.65%, Ti 0-0.2%, Al balance; SiC particle size is 10-20μm, The volume percentage of SiC particles was 20%.

[0088] Foamed iron reinforced aluminum matrix composites are prepared by the following steps, which include:

[0089] Step 1, cleaning and oxidation treatment of SiC particles:

[0090] s1, use deionized water to ultrasonically clean the SiC particles, and use an ...

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Abstract

The invention belongs to the technical field of aluminum alloys, and in particular relates to a foamed iron-reinforced aluminum-based composite material with high temperature wear resistance and a preparation method thereof. The composite material is composed of a matrix alloy and a reinforcing phase, and the matrix alloy is an aluminum alloy as The matrix is ​​a reinforced aluminum alloy with micron-scale SiC particles as the reinforcement material, and the reinforcement phase is a three-dimensional framework through-hole foamed iron; and the foamed aluminum and the matrix alloy are in a network interwoven and interpenetrated structure in a three-dimensional space, and the composite material is provided. preparation method. The material has remarkable characteristics such as light weight, high specific strength and specific stiffness, high temperature wear resistance, etc., and can be widely used in brake discs of automobiles and rail trains and other high temperature wear parts.

Description

technical field [0001] The invention belongs to the technical field of aluminum alloys, and in particular relates to a foam iron-reinforced aluminum-based composite material with high temperature wear resistance and a preparation method thereof. Background technique [0002] Aluminum-based composite materials have a series of advantages such as high density, high specific strength, high specific stiffness, excellent wear resistance, good thermal conductivity and low thermal expansion coefficient, and have broad prospects in the application of brake disc materials. It is an ideal material for a new generation of brake discs. Replacing traditional iron metal brake discs with aluminum-based composite material brake discs can not only reduce the weight of the vehicle itself, create favorable conditions for the improvement of maneuverability, but also reduce energy consumption, which is in line with my country's development of a resource-saving and environment-friendly society. r...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C21/00C22C32/00C22C1/10C22C1/08C22F1/04B22D23/04B22D18/06
CPCC22C21/00C22C32/0063C22C1/1036C22C1/08C22F1/04C22F1/002B22D23/04B22D18/06C22C1/081C22C1/1047
Inventor 何国球刘晓山潘家琪葛彬乐沛雯周志强黄子傲李景全
Owner 绍兴恒驰材料科技有限公司
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