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Variant Selection of Plate Martensite in Fe-28.5at.%Ni Alloy

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Abstract:

Variant selection rule of plate martensite in a coarse-grained Fe-28.5at.%Ni alloy was investigated. Crystallographic analysis of martensite plates was carried out by electron back scattering diffraction (EBSD) analysis in a scanning electron microscope with a field emission type gun (FE-SEM). Certain variant selections were recognized for martensite plates in the Fe-28.5at.%Ni alloy. Equivalent strain, which was calculated from the shape strain of each variant, was used to evaluate the accommodation of the shear strain induced by martensite transformation. Variant selection was ruled not only by the shear strain accommodation but also by the ngle between habit planes of adjacent martensite plates.

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Periodical:

Materials Science Forum (Volume 512)

Pages:

117-122

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.512.117

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Online since:

April 2006

Authors:

Hiromoto Kitahara, Masato Ueda, Nobuhiro Tsuji, Yoritoshi Minamino

Keywords:

Electron Backscatter Diffraction (EBSD), Equivalent Strain, Shape Strain

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© 2006 Trans Tech Publications Ltd. All Rights Reserved

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