Preparation process for quasi-crystal particles reinforced aluminum base composite material

A technology for particle-reinforced aluminum and composite materials, applied in the field of aluminum-based composite materials, can solve the problems of complex process and high cost, and achieve the effects of simple preparation process, convenient operation and high solidification rate

Inactive Publication Date: 2004-09-01
SHANGHAI JIAO TONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this patent adopts the method of powder metallurgy, which is obtained by mixing quasicrystalline powder and alloy powder evenly and then by hot isostatic pressing, sintering and forging. The process is complicated and the cost is high.

Method used

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Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0008] Base Alloy Grade

[0009] Material

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PUM

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Abstract

A process for preparing pseudo crystal granule reinforced magnesium group composite material, wherein the process for preparing AlCuFe pseudo crystal particles comprises the steps of, preparing powder, obtaining 20-100 um pseudo crystal particles after screening, with its composition being Al, Cu, Fe, after base stock melting, charging reinforced particles into alloy fondant for full mixing, depositing on the base stock along with the atomization alloy solid-liquid mixing at the atomizing action, finally the granule reinforced magnesium group composite material with even reinforced particle size distribution and fine base metal crystal grains can be prepared.

Description

technical field [0001] The invention relates to a preparation process of quasi-crystal particle-reinforced aluminum-based composite material, in particular to a preparation process of agitated jet co-deposited quasi-crystalline particle-reinforced aluminum-based composite material, which belongs to the field of aluminum-based composite material. Background technique [0002] Particle-reinforced aluminum matrix composites have been widely valued due to their high specific strength, high specific modulus, low density, and good heat resistance. However, the reinforcing phase in composite materials is mostly ceramic particles such as Al 2 o 3 , SiC, Si 3 N 4 , TiC, B 4 C, AlN, etc., these substances are prone to agglomeration due to their poor wettability with the molten matrix metal during the preparation of composite materials, and due to the difference in thermal expansion coefficients between ceramic particles and the matrix metal, they are produced during casting and sol...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C1/00C22C23/00
Inventor 李小平徐洲严峰李卫红
Owner SHANGHAI JIAO TONG UNIV
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