选区激光熔化<strong>NiTi</strong>形状记忆合金研究进展

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

表3 拉伸条件下SLM NiTi SMAs的超弹性回复应变总结^{[14,19,20,47,49,56,72]}

Table 3 Recovery strains of SLM NiTi SMAs under tension^{[14,19,20,47,49,56,72]}

NiTi (atomic	Feedstock	Equipment type	Tensile	Recovery	Cycle number	Ref.
fraction / %)			stress	strain
			MPa	%
NiTi	Pre-alloyed powder	Eplus-M100T	500-700	1.41-2.14	10	[14]
	(15-53 μm)
Ni_51.1Ti_48.9 and	Pre-alloyed powder	3D Systems ProX DMP 200	300-550	1.0-4.5	1 and incremental loading	[19]
Ni_50.3Ti_49.7	(D₅₀ = 29 μm)
Ni_51.2Ti_48.8	Pre-alloyed powder	3D Systems ProX DMP 200	300-400	1-6	Incremental loading	[20]
Ni_50.4Ti_49.6	Pre-alloyed powder	Concept Laser M2 Cusing	450	0.77-2.31	20	[47]
	(D₅₀ = 37 μm)
Ni_50.92Ti_49.08	Pre-alloyed powder	Concept Laser Mlab-R	100-500	0.26-2.25	Incremental loading	[49]
	(D₅₀ = 40.6 μm)
Ni_50.8Ti_49.2	Pre-alloyed powder	BLT S210	400/500	2/4	1	[56]
	(15-53 μm)
Ni_50-51Ti_49-50	Pre-alloyed powder	Renishaw AM400	300-550	2-4	8	[72]