选区激光熔化NiTi形状记忆合金研究进展

杨超, 卢海洲, 马宏伟, 蔡潍锶

Research and Development in NiTi Shape Memory Alloys Fabricated by Selective Laser Melting

YANG Chao, LU Haizhou, MA Hongwei, CAI Weisi

图10 SLM NiTi SMAs的压缩超弹性[29,35,79]

Fig.10 Compressive superelasticity of SLM NiTi SMAs (a) Ni50.8Ti49.2 in as-fabricated and different heat-treated states[29] (b) superelasticity of Ni50.8Ti49.2 in heat-treated at 350oC for 1 h[79] (c) single superelasticity of Ni51.4Ti48.6 in as-fabricated, solid solution, and ageing states[35] (σ—stress, ε—strain) (d-f) superelasticities of Ni51.4Ti48.6 in as-fabricated, solid solution, and ageing states during 10 cyc[35]