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

表1 球形Ni粉和Ti粉的化学成分 (mass fraction / %)

Table 1 Chemical compositions of Ni and Ti powders

Powder Ni Ti Fe Cu Co Ca Mg H O N C Ni 99.865 - 0.03 0.008 0.075 0.008 0.002 - - - 0.012 Ti - 99.927 - - - - - 0.001 0.054 0.005 0.013