含Cu马氏体时效不锈钢的组织与强韧性

王滨, 牛梦超, 王威, 姜涛, 栾军华, 杨柯

Microstructure and Strength-Toughness of a Cu-Contained Maraging Stainless Steel

WANG Bin, NIU Mengchao, WANG Wei, JIANG Tao, LUAN Junhua, YANG Ke

图10 含Cu马氏体时效不锈钢试样在时效60和90 h后冲击断口附近及未变形基体的SEM像和EBSD像

Fig.10 SEM and EBSD images taken close to the impact fracture site and the undeformed matrix of Cu-contained maraging stainless steel samples aged at 480oC for 60 h (a1-a4) and 90 h (b1-b4) (a1, b1) SEM images taken from the longitudinal section of the impact fractured samples (a2, a3, b2, b3) EBSD images taken close to the impact fracture sites in Figs.9a1 and a2, respectively (a4, b4) EBSD images adjacent to the undeformed matrix Color online