Presentation Information
[P40]Effect of aging on the stress-induced phase transformation in single-crystal Cu-Al-Mn superelastic alloys
○Toshihiko Nagata1, Masatoshi Mitsuhara1, Masaru Itakura1, Sumio Kise2, Minoru Nishida2, Hiroshi Akamine3 (1. Kyushu Univ., 2. Furukawa Techno Material Co., Ltd., 3. Grad. Sch. Integrated Sci. Technol., Nagasaki Univ.)
Keywords:
Shape memory alloy,Superelasticity,Cu-Al-Mn alloy
The effects of aging on stress-induced martensitic transformation in Cu-Al-Mn shape memory alloy single crystals were investigated by in-situ SEM observation and digital image correlation. The aged specimen showed multi-step transformation, while the unaged specimen exhibited large hysteresis due to early 2M formation.
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