逆转变奥氏体对0Cr16Ni5Mo1超级马氏体不锈钢低温冲击韧性的影响

宋逸思, 廖瑜, 李传维, 陈益华, 顾剑锋

Effects of Reversed Austenite on the Cryogenic Impact Toughness of 0Cr16Ni5Mo1 Super Martensitic Stainless Steel

SONG Yisi, LIAO Yu, LI Chuanwei, CHEN Yihua, GU Jianfeng

图9 QT和QIT试样在室温和液氮温度下冲击断口形貌的SEM像

Fig.9 Low (a, c, e, g) and high (b, d, f, h) magnified SEM images of impact fracture of QT (a, b, e, f) and QIT (c, d, g, h) samples at 25 oC (a-d) and -196 oC (e-h)