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

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3 Fe-19.6Cr-2Ni-2.9Mn-1.6Si钢的单调加载力学性能

Fig.3 Mechanical properties of Fe-19.6Cr-2Ni-2.9Mn-1.6Si steel during monotonic loading (σ_E—engineering stress, ε_E—engineering strain, $σ$ —true stress, $ε$ —true strain, θ—work hardening rate, $ε_{f}$ — instability strain)
(a) engineering stress-engineering strain curve
(b) true stress-true strain and work hardening rate curves