Ce元素对316LN奥氏体不锈钢高温蠕变性能的影响

杨仁贤, 马澍成, 蔡欣, 郑雷刚, 胡小强, 李殿中

Influence of Cerium on Creep Properties of 316LN Austenitic Stainless Steel

YANG Renxian, MA Shucheng, CAI Xin, ZHENG Leigang, HU Xiaoqiang, LI Dianzhong

图3 0Ce和32Ce钢在700℃不同应力蠕变断裂后的SEM微观组织

Fig.3 SEM micrographs of 0Ce (a-c) and 32Ce (d-f) steel after crept under 200 MPa (a, d), 175 MPa (b, e), 150 MPa (c, f) at 700oC (Inset in d is the TEM observation of intragranular precipitates)