Nb含量和均质化处理对奥氏体不锈钢铸态组织和力学性能的影响

谢昂, 陈胜虎, 姜海昌, 戎利建

Effects of Nb Content and Homogenization Treatment on the Microstructure and Mechanical Properties of Cast Austenitic Stainless Steel

XIE Ang, CHEN Shenghu, JIANG Haichang, RONG Lijian

图13 9Nb奥氏体不锈钢分别经10%应变的室温拉伸变形和550 ℃拉伸断裂后的高角环形暗场(HAADF)像和SAED花样

Fig.13 High-angle annular dark field (HAADF) images of 9Nb steel sample deformed to a true strain of 10% at room temperature (a) and fracture at 550 oC (b) (Insets show the corresponding SAED patterns of NbC)