Effects of induction heat treatment on mechanical properties of TiAl-based alloy

被引：0
|
作者：
Peng, GQ [1 ]
Huang, BY [1 ]
He, YH [1 ]
机构：
[1] Cent S Univ, State Key Lab Powder Met, Changsha 410083, Peoples R China
来源：
JOURNAL OF CENTRAL SOUTH UNIVERSITY OF TECHNOLOGY | 2002年 / 9卷 / 01期
关键词：
TiAl-based alloy; rapid heating; induction heat treatment; mechanical properties;
D O I：
暂无
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
The effects of rapid heating cyclic heat treatment on mechanical properties of a TiAl-based alloy (Ti-33Al-3Cr) were studied by means of an induction heating machine. The results show that: 1) fine fully-lamellar microstructure with colony size of about 50 mum and lamellar spacing of about 0.12 mum can be obtained; 2) the compression mechanical properties can be improved to a large extent and the best comprehensive compression mechanical properties can reach the yield stress 745 MPa, the large flow stress 1 672 MPa and the compression ratio 19.4%; and 3) the compression fracture at room temperature after induction heat treatment and aging is still typical cleavage fracture.
引用
收藏
页码：5 / 10
页数：6
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