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2 SLM制备NiTi SMAs的粉末原材料[21~24]

Fig.2 Feedstock powders to fabricate NiTi SMAs by SLM (a, b) pre-mixed Ni and Ti powders[21] (c) pre-alloyed Ni50.2Ti49.8 powder[22] (d-f) NiTi powders modified by Ni particles[23,24] (Inset in Fig.2d is particle size distribution of modified powders, and D50 is the average size of modified powders)