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1 SLM GH4169粉末的化学成分

Table 1 Chemical composition of SLM GH4169 powder (mass fraction, %)

Ni Cr Nb Mo Ti Al Co C Fe 50.0~55.0 17.0~21.0 4.75~5.45 2.8~3.3 0.85~1.15 0.2~0.7 ≤1.0 0.02~0.08 Bal.