Effects of rapid heat treatment on microstructure and mechanical properties of Ti2AlC/TiAl composite

被引：0
|
作者：
Yue, Yunlong [1 ]
Wu, Haitao [1 ]
Wu, Weibing [1 ]
Yin, Haiyan [1 ]
机构：
[1] Jinan Univ, Sch Mat Sci & Engn, Jinan 250022, Peoples R China
来源：
HIGH-PERFORMANCE CERAMICS IV, PTS 1-3 | 2007年 / 336-338卷
关键词：
Ti2AlC/TiAl composite; rapid heat treatment; mechanical property;
D O I：
10.4028/www.scientific.net/KEM.336-338.1164
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
In this paper Ti(2)AIC/TiA1 composites were in-situ fabricated by spark plasma sintering (SPS) and then the effects of rapid heat-treatment on microstructure and mechanical properties of Ti(2)AIC/TiA1 composites were investigated. After rapid heat-treatment the microstructure of TiA1 matrix was significantly transformed from the near gamma microstructure to duplex microstructure. Ti(2)AIC particles effectively refined the gamma phase grains and the alpha(2)/gamma lamellar colony microstructure. For the Ti(2)AIC/TiAI composite after rapid heat-treatment at 1200 degrees C, the bending strength and fracture toughness reached 956.8MPa and 22.8MPa center dot m(1/2), respectively.
引用
收藏
页码：1164 / 1167
页数：4
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