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

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2 不同工艺参数下SLM成形的单道、多道搭接试样实物图和示意图
Fig.2 Samples (a) and schematic (b) of SLM-fabricated single-track and multi-track overlapping samples under different processes