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1,2,3(
), 邱鹏程1, 刘洋1,2, 孙兵兵4, 赵海生4, 沈强1
), 邱鹏程1, 刘洋1,2, 孙兵兵4, 赵海生4, 沈强1
Microstructure and Mechanical Properties of NiTi Shape Memory Alloys by In Situ Laser Directed Energy Deposition
CHEN Fei1,2,3(), QIU Pengcheng1, LIU Yang1,2, SUN Bingbing4, ZHAO Haisheng4, SHEN Qiang1
), QIU Pengcheng1, LIU Yang1,2, SUN Bingbing4, ZHAO Haisheng4, SHEN Qiang1
图6. 不同激光能量密度下NiTi合金的TEM像和选区电子衍射花样
Fig.6. TEM images of as-built NiTi alloys with E = 20.0 J/mm2 (a), 21.7 J/mm2 (b), 23.3 J/mm2 (c), and 25.0 J/mm2 (d) (Inset in Fig.6a shows the corresponding SAED pattern)
