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

图6 SLM GH4169合金在450 ℃和550 ℃拉伸曲线上的锯齿流变

Fig.6 Serrations on tensile curves of SLM GH4169 alloy at temperatures of 450 oC and 550 oC (a) 450 oC; (b) 550 oC