The behavior of the SUS304L metastable austenitic stainless steel during deformation above and below M_d temperature is systematically studied. At temperatures higher than M_d, linear temperature‐dependent relationships are observed for tensile strength and elongation; whereas below M_d, a sharp increase in these parameters is identified. A pronounced transformation‐induced plasticity (TRIP) effect is observed when the amount of martensite in the necked region becomes significant, resulting in a maximum point in the work‐hardening plot and enhancement of strength–ductility balance.

中文翻译：

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揭示变形温度对SUS304L不锈钢的力学行为和相变诱发塑性的影响

系统地研究了SUS304L亚稳态奥氏体不锈钢在M _d温度以上和以下的变形过程中的行为。在高于M _d的温度下，观察到拉伸强度和伸长率呈线性线性关系；而低于M _d时，这些参数急剧增加。当颈缩区中的马氏体数量变得明显时，会观察到明显的相变诱导可塑性（TRIP）效果，从而在加工硬化区达到最大点，并增强了强度-延性平衡。