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Misorientation/local plastic strain manifestations in chemical etching color

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Title: Misorientation/local plastic strain manifestations in chemical etching color
Authors: Zhang, Xianguang Browse this author
Matsuura, Kiyotaka Browse this author →KAKEN DB
Ohno, Munekazu Browse this author →KAKEN DB
Keywords: Iron
Chemical etching
Electron backscatter diffraction (EBSD)
Issue Date: Apr-2014
Publisher: Elsevier
Journal Title: Micron
Volume: 59
Start Page: 28
End Page: 32
Publisher DOI: 10.1016/j.micron.2013.12.008
PMID: 24530362
Abstract: Cold plastic deformation produces misorientations inside the crystal grains, and the distribution of the misorientation is quite crucial to understand the deformation behavior of the metals or alloys. The misorientation manifestations in chemical etching contrast are investigated in this study in the case of cold-deformed iron. The chemical etching is performed by using nital, while the crystal orientation is determined by electron backscatter diffraction (EBSD). The correlation between the chemical etching contrast and crystal orientation have been studied in both cold-deformed and undeformed iron. The results clearly show that the chemical etching contrast strongly reflects the crystallographic orientation. The gradual change in chemical etching contrast inside the individual deformed grains gives information of both the misorientation and local plastic strain within the grains. This method can provide an easy and alternative way to qualitatively understand the misorientation and local plastic strain distributions in the microstructures.
Type: article (author version)
Appears in Collections:工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 松浦 清隆

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