Research on the Microstructure and Properties of SiC<sub>p</sub>/LY12 Composite Prepared by Liquid - Solid Extrusion Process

Qi Lehua Li Hejun Sun Lemin

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Research on the Microstructure and Properties of SiC_p/LY12 Composite Prepared by Liquid - Solid Extrusion Process
Issue S1, Pages: 142-144(2001)
Published：2001
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[1]齐乐华,李贺军,孙乐民.挤压铸造SiC_p/LY12复合材料的组织与性能[J].特种铸造及有色合金,2001(S1):142-144. DOI：

Qi Lehua Li Hejun Sun Lemin. Research on the Microstructure and Properties of SiC_p/LY12 Composite Prepared by Liquid - Solid Extrusion Process[J]. Special Casting & Nonferrous Alloys, 2001, (S1): 142-144. DOI：

摘要

探讨了挤压铸造SiCp/LY12复合材料的组织与性能特征及其相互之间的关系。研究表明

其基体组织晶粒细小

SiC颗粒基本呈均匀随机分布

无明显堆积及脱粘现象

且与基体结合良好。抗拉强度和弹性模量比基体材料分别提高 20％～32％和7.6％～43％

从而为颗粒增强金属基复合材料管、棒材的制备提供了一种减少工序

节能节材的可行方法。

Abstract

The characteristics of micristructure and properties of SiCp/LY12 composite prepared by liquid-solid extrusion process and their mutual relation were discussed in the paper. The results show that the grains of matrix is fine and SiC particles distribute well and random. There exists no collection of SiC particles. The bonding among the particles and matrix is strong. Compared with the matrix alloy

the tensile strength and elastic modulus increase separately to 20 - 32% and 7.6 - 43% .These results proved that the liquid-solid extrusion process is a kind effective method for manufacturing tube and bar products of metal matrix composites reinforced by particles. Liquid-Solid Extrusion

Microstructure

SiCp/LY12 Composite

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Research on the Microstructure and Properties of SiCp/LY12 Composite Prepared by Liquid - Solid Extrusion Process

DOI：

摘要

Abstract

关键词

Keywords

references

Research on the Microstructure and Properties of SiC_p/LY12 Composite Prepared by Liquid - Solid Extrusion Process