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5 相同能量密度(100 J/mm3)下SLM Ni50.6Ti49.4合金的制备态及其在1000℃固溶处理2 h后的DSC曲线[10]；功率变化时SLM Ni50.6Ti49.4合金的DSC曲线[15]；不同扫描间距下打印态、固溶处理态和时效态Ni51.4Ti48.6合金的DSC曲线[35]

Fig.5 DSC curves of SLM Ni50.6Ti49.4 with same energy density for as-fabricated (a)[10] and solution treated at 1000oC for 2 h (b)[10]; DSC curves of SLM Ni50.6Ti49.4 with altered laser power (c)[15]; DSC curves of as-fabricated (d)[35], solution treated (e)[35], and aged (f)[35] Ni51.4Ti48.6 fabricated with different hatches