YANG Dazhi ZHU Min Dalian Institute of Technology
,
Dalian
,
Liaoning
,
China. YANG Dazhi
,
Professor
,
Dept.of Mater.Sci.and Eng.
,
Dalian Institute of Technology
,
Dalian
,
Liaoning
,
China
金属学报(英文版)
The substructural development of martensite plates at different stage of the transformation for an Fe-21Ni-4Mn alloy has been investigated by using transmission electron microscope. Twinning was found in small thin platelets at the initial stage.Fine twins extend to the whole platelet.The dislocations and twins were found in the thick platelets at a later stage.Bending of the twins was also observed frequently at this stage.Finally,several platelets coalesce with each other to form a macroscopic(252)_f martensite“plate”.The original habit plane of the individual platelet was measured to be close to(121)_f.
关键词:
Fe-Ni-Mn alloy
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null
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