选区激光熔化 γ' 相强化镍基高温合金裂纹形成机理与抗裂纹设计研究进展 |
祝国梁, 孔德成, 周文哲, 贺戬, 董安平, 疏达, 孙宝德 |
Research Progress on the Crack Formation Mechanism and Cracking-Free Design of γ' Phase Strengthened Nickel-Based Superalloys Fabricated by Selective Laser Melting |
ZHU Guoliang, KONG Decheng, ZHOU Wenzhe, HE Jian, DONG Anping, SHU Da, SUN Baode |
图5 选区激光熔化过程残余应力分布和形成机制的示意图,块状样品切除基板前后的残余应力分布情况[ |
Fig.5 Schematic of residual stress distribution and formation mechanism during selective laser melting (HAZ—heat-affected zone) (a), residual stress distribution on the bulk sample before and after removed from the substrate (b)[ |
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