搭接工艺对选区激光熔化镍基单晶高温合金DD491晶体取向与微观组织的影响
Effects of Overlapping Process on Grain Orientation and Microstructure of Nickel-Based Single-Crystal Superalloy DD491 Fabricated by Selective Laser Melting
搭接工艺对选区激光熔化镍基单晶高温合金DD491晶体取向与微观组织的影响 |
| 张振武, 李继康, 许文贺, 沈沐宇, 戚磊一, 郑可盈, 李伟, 魏青松 |
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Effects of Overlapping Process on Grain Orientation and Microstructure of Nickel-Based Single-Crystal Superalloy DD491 Fabricated by Selective Laser Melting |
| ZHANG Zhenwu, LI Jikang, XU Wenhe, SHEN Muyu, QI Leiyi, ZHENG Keying, LI Wei, WEI Qingsong |
| 图1 镍基单晶高温合金DD491粉末的微观形貌和粒径分布 |
| Fig.1 SEM image (a) and particle size distribution (b) of the DD491 Ni-based single-crystal superalloy powder (Inset in Fig.1a shows the high magnified image. D10, D50, and D90—sizes below which 10%, 50%, and 90% of the particles are con-tained, respectively) |
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