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2 选区激光熔化CM247LC高强镍基高温合金典型的裂纹形貌[ |
Fig.2 Typical cracking morphologies in selective laser melted CM247LC high-strength nickel-based superalloy (Red rectangle regions indicate the enlarged regions)[ (a1-a3) solidification cracks (b1-b3) liquidation cracks (c1-c3) solid cracks |
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