Microstructural characterization of martensite with long period stacking order structure in Hf-Co-Pd alloy

Mitsuhiro Matsuda, Ryo Matsuoka, Minoru Nishida, Masatoshi Mitsuhara

研究成果: ジャーナルへの寄稿学術誌査読

抄録

Microstructural characterization of martensite with long period stacking order (LPSO) structure in a Hf-Co-Pd alloy was investigated by transmission electron microscopy (TEM) and high-angle annular dark-field scanning transmission electron microscopy (HAADF-STEM). LPSO structure with six stacking sequences; 6O (orthorhombic) (Space group: Immm), were newly discovered. Based on the electron diffraction experiments, the lattice parameters of LPSO phase were estimated to be a = 0.33 nm, b = 0.45nm and c = 1.53 nm. The formation mechanism of martensite with LPSO structure and the crystallographic orientation relationship between parent B2 phase and 6O martensite are also discussed.

本文言語英語
ページ(範囲)27-32
ページ数6
ジャーナルMaterials Transactions
61
1
DOI
出版ステータス出版済み - 2020

!!!All Science Journal Classification (ASJC) codes

  • 材料科学一般
  • 凝縮系物理学
  • 材料力学
  • 機械工学

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