Crystallography of stress-induced B2→7R martensitic transformation in a Ni-37.0 at%Al alloy

Y. Murakami, K. Otsuka, S. Hanada, S. Watanabe

研究成果: Contribution to journalArticle

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The crystallography of B2→7R stress-induced martensitic transformation in a Ni-37.0 at%Al alloy was studied using single crystals. The experimental results were compared with predictions of the phenomenological crystallographic theory. The simultaneously measured habit planes and the orientation relationship between parent and martensite showed excellent agreement with the theory, for the lattice invariant shear of faulting on the basal plane. Thus, the phenomenological crystallographic theory was confirmed to apply well to the present B2→7R transformation in the Ni-Al alloy as well. The two transformations B2→7R and B2→3R are compared from the viewpoint of the phenomenological crystallographic theory. By examining the variant selection of the martensite under compression, it is shown that an applied stress interacts with the shape strain upon the present martensitic transformation.

元の言語英語
ページ(範囲)282-288
ページ数7
ジャーナルMaterials Transactions, JIM
33
発行部数3
DOI
出版物ステータス出版済み - 1 1 1992
外部発表Yes

All Science Journal Classification (ASJC) codes

  • Engineering(all)

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