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
),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
),ZHU Haihong2,PENG Gangyong2,SUN Jingli1,CHEN Changpeng2,WANG Guoqing3,LI Zhongquan1,ZENG Xiaoyan2
图9. 热循环去应力退火作用下不同铺粉厚度时冷却阶段节点D1的热应力下降幅度和比例
Fig.9. Decreases in amount (a) and percentage decreases (b) of the thermal stress of D1 node in cooling stage as a function of subsequent thermal cycle under different layer thicknesses
