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5. SLM成形Ti-6Al-4V合金薄壁件晶粒生长方向的数值模拟与实验结果对比
Fig.5. Comparisons of simulation and experimental results of grain growth orientation during SLM of Ti-6Al-4V thin-walled parts (The tilt angles between the maximum heat ?ow directions and the building direction can be calculated from the temperature gradients at the tail of the molten pool boundary (θsim), and also measured experimentally by analyzing optical micrographs (θexp))Color online
