激光摆动对激光熔化沉积钛合金微观组织及力学性能的影响

方远志, 戴国庆, 郭艳华, 孙中刚, 刘红兵, 袁秦峰

Effect of Laser Oscillation on the Microstructure and Mechanical Properties of Laser Melting Deposition Titanium Alloys

FANG Yuanzhi, DAI Guoqing, GUO Yanhua, SUN Zhonggang, LIU Hongbing, YUAN Qinfeng

图6 最佳工艺参数下的无激光摆动和直线型激光摆动单道试样的OM像

Fig.6 Low (a, b) and high (c, d) magnified OM images of single-track samples No.5 (a, c) and No.L7 (b, d) under optimum process parameters (CG—columnar grain, EG—equaixed grain, HAZ—heat affected zone, HAZ (α + β)1—primary (α + β) heat affected zone, HAZ (α + β)2—secondary (α + β) heat affected zone)