增材制造高温合金在不同温度下的拉伸性能与变形机制

王娜, 李文彬, 庞建超, 陈立佳, 高崇, 邹成路, 张辉, 李守新, 张哲峰

Tensile Properties and Deformation Mechanism of Additive Manufacturing Superalloy at Different Temperatures

WANG Na, LI Wenbin, PANG Jianchao, CHEN Lijia, GAO Chong, ZOU Chenglu, ZHANG Hui, LI Shouxin, ZHANG Zhefeng

表3 在不同温度拉伸实验后晶界的统计

Table 3 Statistics of grain boundary after tensile tests at different temperatures

Original 25 oC 450 oC 550 oC 600 oC 650 oC LAGBS / % 27.8 68.1 67.1 64.2 61.6 68.5 HAGBS / % 72.2 31.9 28.3 35.8 38.4 31.5