热处理对选区激光熔化镍基粉末高温合金组织与力学性能的影响
郝志博1, 葛昌纯1(), 黎兴刚2, 田甜1, 贾崇林3
Effect of Heat Treatment on Microstructure and Mechanical Properties of Nickel-Based Powder Metallurgy Superalloy Processed by Selective Laser Melting
HAO Zhibo1, GE Changchun1(), LI Xinggang2, TIAN Tian1, JIA Chonglin3

图8. SLM FGH4096M合金不同处理状态下室温拉伸断口形貌

Fig.8. Tensile fracture morphologies of SLM FGH4096M alloy at room temperature under different conditions
(a) SLM (b) SLM+DA (c) SLM+SSA (1050 ℃) (d) SLM+SSA (1130 ℃)(e) SLM+DSSA (The dotted circles: secondary cracks)