Transactions of Nonferrous Metals Society of China The Chinese Journal of Nonferrous Metals

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中国有色金属学报(英文版)

Transactions of Nonferrous Metals Society of China

Vol. 6    No. 3    September 1996

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A NEW HEAT TREATMENT PROCESSING FOR TiAl BASED ALLOY
He Yuehui, Huang Baiyun, Liu Yong, Liu Yexiang

Research Institute, ofPowder MetallurgyCentral South University of Technology, Changsha 410083

Abstract:Owing to the limitation of the normal thermomechanical treatment on TiAl based alloy, a double-temperature heat treatment technology for hot forged TiAl based alloy was suggested. The effect of the new technology on microstructure and tensile properties of the alloy at ambient temperature was also studied. By TEM analysis, the mechanism that the double-temperature heat treatment improves the homogeneity of the microstructure in TiAl based alloy was discussed.

 

Key words: TiAl based alloy microstructure mechanical property heat treatment

ISSN 1004-0609
CN 43-1238/TG
CODEN: ZYJXFK

ISSN 1003-6326
CN 43-1239/TG
CODEN: TNMCEW

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