Self-accommodation of B19 martensite in Ti-Ni shape memory alloys-Part II. Characteristic interface structures between habit plane variants

Minoru Nishida, E. Okunishi, T. Nishiura, H. Kawano, T. Inamura, S. Ii, T. Hara

研究成果: ジャーナルへの寄稿記事

24 引用 (Scopus)

抄録

Four characteristic interface microstructures between habit plane variants (HPVs) in the self-accommodation morphologies of B19 martensite in Ti-Ni alloys have been investigated by scanning transmission electron microscopy (STEM). The straight interface of a B 19′ type I twin is present at interface I. The relaxation of the transformation strain at interface II is achieved by a volume reduction of the minor correspondence variants (CVs) in the relevant habit plane variants (HPVs). The relaxation of the transformation strain at interface III is mainly due to the formation of a B 19′ type I twin between the two major CVs. Subsequently, local strain around the tips of the minor CVs perpendicular to the interface is released by the formation of micro-twins with the 011B 19′ type II and/or B 19′ type I relation. The major and minor CVs in each HPV are alternately connected through fine variants with the B 19′ type I twin relation parallel to interface IV. The results are compared with macroscopic observations and the predictions of PTMC analysis.

元の言語英語
ページ(範囲)2234-2246
ページ数13
ジャーナルPhilosophical Magazine
92
発行部数17
DOI
出版物ステータス出版済み - 6 11 2012

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

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics

これを引用

Self-accommodation of B19 martensite in Ti-Ni shape memory alloys-Part II. Characteristic interface structures between habit plane variants. / Nishida, Minoru; Okunishi, E.; Nishiura, T.; Kawano, H.; Inamura, T.; Ii, S.; Hara, T.

:: Philosophical Magazine, 巻 92, 番号 17, 11.06.2012, p. 2234-2246.

研究成果: ジャーナルへの寄稿記事

Nishida, Minoru ; Okunishi, E. ; Nishiura, T. ; Kawano, H. ; Inamura, T. ; Ii, S. ; Hara, T. / Self-accommodation of B19 martensite in Ti-Ni shape memory alloys-Part II. Characteristic interface structures between habit plane variants. :: Philosophical Magazine. 2012 ; 巻 92, 番号 17. pp. 2234-2246.
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AU - Inamura, T.

AU - Ii, S.

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