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5 700℃、150 MPa条件蠕变断裂后32Ce钢晶界处析出相的TEM图像和Cr、Mo元素面分布

Fig.5 TEM images of intergranular precipitates in 32Ce steel after crept at 700oC/150 MPa (a, d) together with elemental mapping of Cr (b, e) and Mo (c, f) (The SAED pattern inset in a was obtained from [1-1-1] zone axis of Sigma phase while that in d was acquired from [1-5-3] zone axis of Chi phase)