[J] JIMM-ISIJ Joint Session Materials science of martensitic and bainitic transformations and its applications(1)

1:20 PM - 1:40 PM JST(4:20 AM - 4:40 AM UTC)

[J25] Slip system selection rule of transformation-induced dislocations based on geometric accommodation of incompatibility in Ti–Ni alloys

*Gen Hikosaka¹, Yuri Shinohara², Ryutaro Matsumura³, Minoru Nishida⁴, Tomonari Inamura³ (1. School of Materials and Chemical Technology, Science Tokyo, 2. Graduate School of Informatics and Engineering, 3. IIR, Science Tokyo, 4. Faculty of Engineering Sciences, Kyushu Univ.)

Keywords:

形状記憶合金,Ti–Ni,マルテンサイト変態,変態誘起転位,不適合性

Ti–Niなどの形状記憶合金は，マルテンサイト変態に伴い発生する変態誘起転位により機能劣化する．本研究では，変態誘起転位の導入過程におけるすべり系の選択が，不適合性の緩和に基づくことを明らかにした．