国内变形高温合金研制进展
杜金辉,吕旭东,董建新,孙文儒,毕中南,赵光普,邓群,崔传勇,马惠萍,张北江

Research Progress of Wrought Superalloys in China
Jinhui DU,Xudong LV,Jianxin DONG,Wenru SUN,Zhongnan BI,Guangpu ZHAO,Qun DENG,Chuanyong CUI,Huiping MA,Beijiang ZHANG
表6 增材制造3D-In718燃气涡轮盘力学性能
Table 6 Mechanical properties of gas turbine discs fabricated by additive manufacturing of In718 alloy

Sample and standard

Room temperature tensile650 ℃ tensile
σs / MPaσb / MPaδ / %ψ / %σs / MPaσb / MPaδ / %ψ / %

Anatomical part

1266144817.530107011901228
1265144417.533108012001322
Forging standard≥1140≥1340≥12.0≥15≥930≥1100≥12≥15