TRIP型双相不锈钢Fe-19.6Cr-2Ni-2.9Mn-1.6Si的微裂纹形核及扩展

张文彬, 李小龙, 郝硕, 刘胜杰, 蔡星周, 陈雷, 金淼

Microcrack Nucleation and Propagation of TRIP-Assisted Duplex Stainless Steel Fe-19.6Cr-2Ni-2.9Mn-1.6Si

ZHANG Wenbin, LI Xiaolong, HAO Shuo, LIU Shengjie, CAI Xingzhou, CHEN Lei, JIN Miao

图11 裂纹扩展路径示意图

Fig.11 Schematics of crack propagation paths (a) crack propagation along the original austenite/ferrite phase boundary (b) crack propagation along ferrite grain boundary with a smaller angle to the phase boundary (c) crack propagation along transformed martensite (original austenite) grain boundary