Effect of copper addition on microstructures and mechanical properties of in situ TiCp/Fe composites

被引：9
|
作者：
Zhang, X. H. [1 ]
Yu, M. H. [1 ]
Tang, H. Q. [1 ]
Su, G. C. [1 ]
机构：
[1] Guangxi Univ, Key Lab Nonferrous Mat & New Proc Technol, Minist Educ, Nanning 530004, Peoples R China
来源：
MATERIALS & DESIGN | 2011年 / 32卷 / 06期
关键词：
FE-C;
D O I：
10.1016/j.matdes.2011.01.026
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The effect of copper addition on microstructures and mechanical properties of in situ TiC particulates reinforced Fe-based composites was investigated. The results demonstrated that copper was an expanding austenite element which could move eutectoid point to the left in Fe-C equilibrium diagram and result in the refinement of pearlite interlamelar spacing. Copper could effectively prevent the transition and deposition from carbon to graphite and also improve the activity of Ti and C element which was beneficial to synthesize more of TiC particulates. The Fe-based composites with a copper content of 1.5 wt% resulted in the best mechanical properties. Crown Copyright (C) 2011 Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：3560 / 3565
页数：6
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