高强钢中亚稳奥氏体对断裂韧性影响的研究进展

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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3 不同相变诱发塑性(TRIP)工艺及C含量下裂纹尖端应变三轴度的分布云图^[57]

Fig.3 Contour maps of strain triaxiality distributions exposed to different TRIP treatments and with varying carbon concentrations^[57] ( $|ε_{33}^{c t}|$ —through-thickness strain, I'—axis: horizontal distance from the crack tip, h'—vertical distance from the crack tip)