1013 Pd-In系形状記憶合金の開発(S03-3 形状記憶合金の特性と応用技術(3),21世紀地球環境革命の機械工学:人・マイクロナノ・エネルギー・環境)

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  • 1013 Pd-In based Shape Memory Alloys

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Martensitic transformation and superelasticity in Pd-In-Fe alloys were investigated. Pd-In-Fe alloys show martensitic transformation from a Heusler-type L2_1 ordered bcc phase to a 2M-type DO_<22> structure. It was confirmed from compressive test and three-point bending test that an almost perfect superelastic effect accompanying the stress-induced martensitic transformation can be obtained. Since high corrosion resistance and specific gravity are expected in these Pd-based shape memory alloys (SMAs), the present alloys are potentially applicable for medical devices.

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