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2 压缩条件下SLM NiTi SMAs的超弹性回复应变总结^{[23,24,26,29,35,51,61,62,70,79,82,83]}

Table 2 Recovery strains of SLM NiTi SMAs under compression^{[23,24,26,29,35,51,61,62,70,79,82,83]}

NiTi (atomic	Feedstock	Equipment type	Compressive	Recovery	Cycle	Ref.
fraction / %)			stress	strain	number
			MPa	%
Ni_49.4Ti_50.6 + Ni nanoparticles	Pre-alloyed powder	Concept Laser M2 Cusing	800	3.52-3.54	13	[23]
Ni_49.4Ti_50.6 + Ni nanoparticles
Ni₅₃Ti₄₇	Pre-alloyed NiTi powder (15-53 μm) +	Eplus-M100T	700-1800	4.0-9.4	4	[24]
	coated Ni powder (1.5 μm)
Ni_50.6Ti_49.4	Pre-alloyed powder (15-53 μm)	An in-house SLM	800	5.6-6.7	10	[26]
		machine (SLM-150)
Ni_50.8Ti_49.2	Pre-alloyed powder (25-75 μm)	3D Systems Phenix	1000	2.64-4.20	10	[29]
Ni_51.4Ti_48.6	Pre-alloyed powder (30-45 μm)	SLM-YZ250	600-850	2.2-4.6	10	[35]
Ni_50.8Ti_49.2	Pre-alloyed powder (D₅₀ = 50 µm)	3D Systems Phenix PXM	800	2.23-4.56	10	[51]
Ni_50.8Ti_49.2	Pre-alloyed powder (25-75 μm)	3D Systems Phenix	800	2.29-5.50	10	[61]
Ni_50.8Ti_49.2	Pre-alloyed powder (25-75 μm)	3D Systems Phenix	600	3.40-5.20	10	[62]
Ni_50.7Ti_49.3	Pre-alloyed powder (D₅₀ = 37 μm)	Solutions 280	700	3.7-7.4	10	[70]
Ni_50.8Ti_49.2	Pre-alloyed powder (D₅₀ = 50 μm)	3D Systems Phenix	280-1750	1.5-5.5	4	[79]
Ni_50.8Ti_49.2	Pre-alloyed powder	Renishaw AM400	500/900	5.5/6	1	[82]
Ni_50.8Ti_49.2	Pre-alloyed powder (25-75 μm)	3D Systems Phenix PXM	300	3.0-3.4	1	[83]