Self-accommodation of B19′ martensite in Ti-Ni shape memory alloys-Part I. Morphological and crystallographic studies of the variant selection rule

Minoru Nishida, T. Nishiura, H. Kawano, T. Inamura

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38 Citations (Scopus)

Abstract

The self-accommodation morphologies of B19 martensite in Ti-Ni alloys have been investigated by optical microscopy, scanning electron microscopy (SEM) and transmission electron microscopy (TEM). Twelve pairs of minimum units consisting of two habit plane variants (HPVs) with V-shaped morphology connected to a B 19′ type I variant accommodation twin were observed. Three types of self-accommodation morphologies, based on the V-shaped minimum unit, developed around one of the {111} B2 traces, which were triangular, rhombic and hexangular and consisted of three, four and six HPVs, respectively. In addition, the variant selection rule and the number of possible HPV combinations in each of these self-accommodation morphologies are discussed.

Original languageEnglish
Pages (from-to)2215-2233
Number of pages19
JournalPhilosophical Magazine
Volume92
Issue number17
DOIs
Publication statusPublished - Jun 11 2012

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accommodation
shape memory alloys
martensite
habits
microscopy
transmission electron microscopy
scanning electron microscopy

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics

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Self-accommodation of B19′ martensite in Ti-Ni shape memory alloys-Part I. Morphological and crystallographic studies of the variant selection rule. / Nishida, Minoru; Nishiura, T.; Kawano, H.; Inamura, T.

In: Philosophical Magazine, Vol. 92, No. 17, 11.06.2012, p. 2215-2233.

Research output: Contribution to journalArticle

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