钛合金薄壁件选区激光熔化应力演变的数值模拟
柯林达1,殷杰2(),朱海红2,彭刚勇2,孙京丽1,陈昌棚2,王国庆3,李中权1,曾晓雁2
Numerical Simulation of Stress Evolution of Thin-Wall Titanium Parts Fabricated by Selective Laser Melting
KE Linda1,YIN Jie2(),ZHU Haihong2,PENG Gangyong2,SUN Jingli1,CHEN Changpeng2,WANG Guoqing3,LI Zhongquan1,ZENG Xiaoyan2

图7. 激光扫描速率对SLM成形钛合金薄壁件应力的影响

Fig.7. Effects of laser scan rate on the stress distribution in SLM of thin-wall parts (MN indicates the minimum residual stress, and MX indicates the maximum residual stress)Color online(a) 500 mm/s (b) 700 mm/s (c) 1000 mm/s