Transmission electron microscopy of twins in 10M martensite in Ni-Mn-Ga ferromagnetic shape memory alloy

Mitsuhiro Matsuda, Yoshihiro Yasumoto, Kimiaki Hashimoto, Toru Hara, Minoru Nishida

研究成果: ジャーナルへの寄稿記事

14 引用 (Scopus)

抜粋

The combination of the 10M martensite plate variants in NiMnGa ferromagnetic shape memory alloy was investigated by conventional transmission electron microscopy (CTEM) and electron diffraction experiments. There were four plate variants commonly designated as A, B, C and D, and three fundamental plate combinations can be identified in a given plate group, namely A : B (C : D) of (551) Type II, A : C (B : D) of (125) Type I and A : D (B : C) of {105} compound twins in the martensites. The boundary structure of these twins was also observed in the edge-on state by high resolution electron microscopy (HREM). The boundary of the Type I and the compound twins was not sharp in comparison to that in other shape memory alloys. There were neither ledge nor step structures at the irrational boundary in the Type II twin.

元の言語英語
ページ(範囲)902-906
ページ数5
ジャーナルMaterials Transactions
53
発行部数5
DOI
出版物ステータス出版済み - 10 9 2012

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

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