Martensite midrib in an Fe-1C-17Cr stainless steel

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NETL
Trans Tech Publications Ltd

外文摘要：An Fe-1。0C-17Cr (wt。%) stainless steel was subjected to subzero treatment to investigated the structure of martensite midrib。 The midrib region appeared in the thin plate and lenticular martensites have been observed detailed by TEM。 The TEM result reveals that the transformations of thin plate martensite and lenticular martensite are initiated at the same midrib region。 The former keeps the lattice-invariant deformation mode of twinning during subsequent growth， whereas the latter combines both twinning and slip modes。 Midrib region is a preferential position for carbide precipitations after tempering。 M_3C and M_(23)C_6 carbide were found in this alloy， and related to the ferrite by Bagaryatsky OR and K-S OR， respectively。

外文关键词：

stainless steelthin plate martensitelenticular martensitemartensite midribTEM

作者：

Jer-Ren Yang、Hsin-Yi Lee、Hung-Wei Yen、Hsiao-Tzu Chang

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作者单位：

Department of Materials Science and Engineering, National Taiwan University, Taiwan

会议名称：

Conference on Phase Transformations in Inorganic Materials;PTM

会议地点：

Avignon(FR);Avignon(FR)

会议母体文献：

Solid-solid phase transformations in inorganic materials

页码：

p.67-72

出版时间：

2010

DOI：

10.4028/www.scientific.net/SSP.172-174.67