原位激光定向能量沉积NiTi形状记忆合金的微观结构和力学性能 |
陈斐, 邱鹏程, 刘洋, 孙兵兵, 赵海生, 沈强 |
Microstructure and Mechanical Properties of NiTi Shape Memory Alloys by In Situ Laser Directed Energy Deposition |
CHEN Fei, QIU Pengcheng, LIU Yang, SUN Bingbing, ZHAO Haisheng, SHEN Qiang |
图2 不同激光能量密度下NiTi合金的XRD谱及其物相拟合结果 |
Fig.2 XRD spectra (a) and phase fitting results of as-built NiTi alloys with E = 20.0 J/mm2 (b), 21.7 J/mm2 (c), 23.3 J/mm2 (d), and 25.0 J/mm2 (e) (E―laser energy density) |
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