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铁道科学与工程学报

JOURNAL OF RAILWAY SCIENCE AND ENGINEERING

Vol. 5    No. 4    December 1995

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MECHANICAL PROPERTIES IMPROVEMENT OF TiAl BY MICROSTRUCTURE REFINING
Huang Baiyun; He Yuehui; Kong Gaoning; Qu Xuanhui

Powder Metallurgy Research Institute; Central South University of Technology; Changsha 410083

Abstract:A multi-step thermo-mechanical treatment(MSTMT) was developed to refine the microstructure of Ti-33Al-3Cr-0.5Mo(%)alloy.It was found that fine full lamellar structure can be obtained by appropriate procesing of MSTMT.Superior comprehensive mechanical properties can result from the full lamellar structure with homogeneous fine grain.

 

Key words: intermetallic compounds; mechanical properties; microstructure

ISSN 1672-7029
CN 43-1423/U

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