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A MASSIVE TRANSFORMATION MECHANISM IN Ti-48Al ALLOY 被引量:1

A MASSIVE TRANSFORMATION MECHANISM IN Ti-48Al ALLOY
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摘要 AMASSIVETRANSFORMATIONMECHANISMINTi-48AlALLOY¥WenCuie;LinJianguo;ChenChangqi(DepartmentofMaterialsScienceandEngineering,Beiji... The structure transformation mechanism in Ti-48Al(mole percent) intermetallic alloy was investigated when it was cooled rapidly from single a phase region. The results showed that the massive gamma was obtained by an alpha --> gamma massive transformation during the quenching process in this alloy. A large number of defects, such as anti-phase boundaries (APBs), stacking faults, microtwins and dislocations, were observed to be within the massive gamma. Studies indicate that the massive gamma nucleates with coherent interface and grows in a diffusion controlled ledge growth mechanism.
出处 《中国有色金属学会会刊:英文版》 CSCD 1996年第3期68-73,共6页 Transactions of Nonferrous Metals Society of China
关键词 TIAL ALLOY MASSIVE TRANSFORMATION diffusion controlled LEDGE growth MECHANISM TiAl alloy massive transformation diffusion controlled ledge growth mechanism
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