一种具有超低屈服比和高延展性的新型多相不锈钢

IF 2.9 2区材料科学 Q2 METALLURGY & METALLURGICAL ENGINEERING

Acta Metallurgica Sinica-English Letters Pub Date : 2024-06-25 DOI:10.1007/s40195-024-01733-w

Menghao Liu, Cuiwei Du, Yuewu Li, Xiaogang Li

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引用次数: 0

摘要

本研究的重点是开发一种新型多相不锈钢，通过固溶处理实现了更高的延展性和超低屈服比。这种钢具有卓越的机械性能：抗拉强度约为 1114 兆帕、超低屈服比为 0.36、特殊均匀伸长率约为 17.48%、总伸长率约为 21.73%。这种钢的卓越延展性可归因于在保留奥氏体中观察到的转化诱导塑性（TRIP）效应，而其超高强度则是 TRIP 和马氏体相共同作用的结果。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

A Novel Multiphase Stainless Steel with Ultra-Low Yield Ratio and High Ductility

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A Novel Multiphase Stainless Steel with Ultra-Low Yield Ratio and High Ductility

This study focuses on developing a novel multiphase stainless steel with enhanced ductility and an ultralow yield ratio achieved through solid-solution treatment. The steel exhibits remarkable mechanical properties: a tensile strength of approximately 1114 MPa, an ultralow yield ratio of 0.36, exceptional uniform elongation of approximately 17.48%, and total elongation of approximately 21.73%. The remarkable ductility of the steel can be attributed to the transformation-induced plasticity (TRIP) effect observed in the retained austenite, while its exceptional strength results from the combined effects of TRIP and the martensite phase.

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来源期刊

Acta Metallurgica Sinica-English Letters METALLURGY & METALLURGICAL ENGINEERING-

CiteScore

6.60

自引率

14.30%

发文量

122

审稿时长

2 months

期刊介绍： This international journal presents compact reports of significant, original and timely research reflecting progress in metallurgy, materials science and engineering, including materials physics, physical metallurgy, and process metallurgy.