Effect of Cr Content on the Compression Properties and Abrasive Wear Behavior of the High-Volume Fraction (TiC-TiB2)/Cu Composites

被引：17
|
作者：
Qiu, Feng [1 ]
Han, Yue [1 ]
Cheng, Ai [1 ]
Lu, Jianbang [1 ]
Jiang, Qichuan [1 ]
机构：
[1] Jilin Univ, Key Lab Automobile Mat, Minist Educ, Dept Mat Sci & Engn, Changchun 130025, Peoples R China
来源：
ACTA METALLURGICA SINICA-ENGLISH LETTERS | 2014年 / 27卷 / 05期
基金：
高等学校博士学科点专项科研基金; 中国国家自然科学基金;
关键词：
Metal matrix composites; Powder metallurgy; Combustion synthesis; Abrasive wear; COPPER MATRIX COMPOSITES; IN-SITU SYNTHESIS; MECHANICAL-PROPERTIES; CARBON; MICROSTRUCTURE; TIB2;
D O I：
10.1007/s40195-014-0158-8
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
The (TiC-TiB2)/Cu composites with 50 vol% TiC-TiB2 ceramic particles were successfully fabricated by the combustion synthesis and hot press consolidation in a Cu-Ti-B4C-Cr system. The effects of the Cr content on the microstructures, hardness, compression properties, and abrasive wear behaviors of the composites were investigated. The final products consist of only Cu, TiC, and TiB2 phases, and the ceramic particles are distributed uniformly in these composites. The size of the ceramic particles decreases with Cr addition. As the Cr content increases, the yield strength, ultimate compression strength, microhardness, and abrasive wear resistance of the composites increase, and the fracture strain decreases.
引用
收藏
页码：951 / 956
页数：6
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