MATERIALS TRANSACTIONS
Online ISSN : 1347-5320
Print ISSN : 1345-9678
ISSN-L : 1345-9678
Antiphase Boundary-Like Structure of B19 Martensite in Ti-Ni-Pd Shape Memory Alloy
Mitsuhiro MatsudaMasatoshi MitsuharaKazuki TakashimaMinoru Nishida
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2016 Volume 57 Issue 3 Pages 250-256

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Abstract

The antiphase boundary (APB)-like structure of B19 martensite in the Ti-Ni-Pd alloy was investigated by means of conventional transmission electron microscopy and high-angle annular dark-field scanning transmission electron microscopy. Some APB-like structures with wide and curved contrast exhibited shifts along the (010)B19 and (001)B19 planes; that is, it exhibited facets composed of those planes at the atomic level. This atomic displacement reflects the atomic movement stemming from not only martensitic but also a kind of R-phase transformations.

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© 2015 The Japan Institute of Metals and Materials
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