Substructures of martensite in Fe-1C-17Cr stainless steel

SCRIPTA MATERIALIA

卷:62

Article

Lee, Hsin-Yi¹  Yen, Hung-Wei¹  Chang, Hsiao-Tzu¹  Yang, Jer-Ren¹ 

[1] Natl Taiwan Univ, Dept Mat Sci & Engn, Taipei 10764, Taiwan

关键词: Stainless steel;    Martensitic phase transformation;    Martensite midrib;    Twinning;    TEM;   

DOI  :  10.1016/j.scriptamat.2010.01.022

来源: Elsevier

【 摘 要 】

An Fe-1.0C-17Cr (wt.%) stainless steel was subjected to subzero treatment to investigate the structure of the martensite midrib. During the course of the isothermal holding in liquid nitrogen (-196 degrees C), the thin-plate martensite formed first, and lenticular martensite later. The substructures of thin-plate martensites and lenticular martensite were examined using transmission electron microscopy, focusing on the details of the midrib. The results provide strong evidence to suggest that thin-plate martensite can be transformed into lenticular martensite. (C) 2010 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.

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