Orientation dependence of variant selection and intersection reactions of e martensite in a high-manganese austenitic steel

被引：25

作者：

Zhang, X. ^{[1
,2
]}

Sawaguchi, T. ^{[1
]}

Ogawa, K. ^{[1
]}

Yin, F. ^{[1
]}

Zhao, X. ^{[2
]}

机构：

[1] Natl Inst Mat Sci, Exploratory Mat Res Lab Reliabil & Safety, Tsukuba, Ibaraki 3050047, Japan

[2] Northeastern Univ, Key Lab Anisotropy & Texture Mat, Shenyang 110004, Liaoning Prov, Peoples R China

来源：

PHILOSOPHICAL MAGAZINE LETTERS | 2011年 / 91卷 / 09期

基金：

日本学术振兴会;

关键词：

TRIP/TWIP steel; martensitic transformations; intersection reactions; EBSD; Schmid's law; crystallography; STACKING-FAULT ENERGY; MECHANICAL-PROPERTIES; GRAIN-ORIENTATION; SINGLE-CRYSTALS; DEFORMATION; TRANSFORMATION; EVOLUTION; SIZE;

D O I：

10.1080/09500839.2011.596492

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The orientation dependence of epsilon martensite during loading of a polycrystalline austenitic Fe-30Mn-4Si-2Al steel has been investigated by electron backscatter diffraction, emphasising the variant selection rule and plate-plate intersection reactions. Two types of plate-plate intersection reactions, which are characterised by incident shear direction of either 30 degrees or 90 degrees with respect to the intersection axis, were found in the grains along the [001]-[111] directions and [001]-[101] directions, respectively. In the intersecting volume of the latter type reaction, a gamma phase rotated 90 degrees from the austenite matrix along the < 011 > zone axis of the intersecting epsilon plates, which was theoretically predicted by Sleeswyk [A. W. Sleeswyk, Philos. Mag. 7 (1962) p. 1597], has been experimentally observed for the first time.

引用

页码：563 / 571

页数：9

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