稀土Ce对X20Co马氏体耐热钢蠕变性能的影响
向钰琳1,2, 杨仁贤3,4, 蔡欣3, 胡小强3,4(
), 李殿中3,4()
), 李殿中3,4()
Effect of Ce Addition on Creep Properties of X20Co Martensitic Heat-resistant Steel
XIANG Yulin1,2, YANG Renxian3,4, CAI Xin3, HU Xiaoqiang3,4(), LI Dianzhong3,4()
), LI Dianzhong3,4()
图2. 在700℃、不同应力条件下三种不同Ce元素含量X20Co的蠕变应变曲线和蠕变速率曲线
Fig.2. Creep strain versus creep time curves (a~c) and the creep rate versus creep time curves (d~f) of three X20Co steels under the stress of 100 MPa (a, d), 150 MPa (b, e) and 200 MPa (c, f) at 700oC
