高强钢中亚稳奥氏体对断裂韧性影响的研究进展

唐景韬, 姚英杰, 张游游, 吴文华, 李宇博, 陈浩, 杨志刚

Research Progress on the Influence of Metastable Austenite on the Fracture Toughness of High-Strength Steels

TANG Jingtao, YAO Yingjie, ZHANG Youyou, WU Wenhua, LI Yubo, CHEN Hao, YANG Zhigang

图4 亚稳奥氏体相变后新生马氏体导致的裂纹[56,57]

Fig.4 Cracking as a consequence of the fresh martensite produced by retained austenite phase transformation (a) martensite cleavage[57] (b) martensite-martensite interfacial cracking[57] (c, d) martensite-matrix interfacial cracking[56,57] (Where orange arrows in Fig.4d point to martensite-matrix interface decohesion while green arrows show martensite cracking)