通过低温循环塑性强化和热处理，提高了304不锈钢的抗疲劳性能

IF 5.3 2区材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY

Scripta Materialia Pub Date : 2025-04-11 DOI:10.1016/j.scriptamat.2025.116696

Zongchi Wang , Bingbing Li , Jingtai Yu , Shouwen Shi , Xingang Wang , Xu Chen

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引用次数: 0

摘要

研究了低温循环塑性强化（CCPS）及后续热处理对304奥氏体不锈钢应力控制疲劳性能的影响。CCPS过程促进了多尺度微观结构的发展，激活了循环变形过程中的多种变形机制，有效地缓解了应变局部化，提高了疲劳极限。虽然热处理后材料的抗拉强度下降，但位错运动和马氏体相变机制更加活跃，导致应变局部化程度降低。与热处理前材料相比，疲劳极限略有提高，疲劳强度比明显提高，疲劳性能优越。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Enhanced fatigue resistance of 304 stainless steel through cryogenic cyclic plastic strengthening and heat treatment

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Enhanced fatigue resistance of 304 stainless steel through cryogenic cyclic plastic strengthening and heat treatment

This study investigated the effects of cryogenic cyclic plastic strengthening (CCPS) and subsequent heat treatment on the stress-controlled fatigue performance of 304 austenitic stainless steel. The CCPS process facilitated the development of a multiscale microstructure, activating various deformation mechanisms during cyclic deformation, which effectively mitigated strain localization and enhanced fatigue limit. Although the tensile strength of the material decreased after heat treatment, the mechanisms of dislocation movement and martensitic transformation became more active, resulting in a lower degree of strain localization. Compared with the material before heat treatment, there was a slight enhancement in fatigue limit, while the fatigue strength ratio significantly improved, resulting in superior fatigue performance.

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来源期刊

Scripta Materialia 工程技术-材料科学：综合

CiteScore

11.40

自引率

5.00%

发文量

581

审稿时长

34 days

期刊介绍： Scripta Materialia is a LETTERS journal of Acta Materialia, providing a forum for the rapid publication of short communications on the relationship between the structure and the properties of inorganic materials. The emphasis is on originality rather than incremental research. Short reports on the development of materials with novel or substantially improved properties are also welcomed. Emphasis is on either the functional or mechanical behavior of metals, ceramics and semiconductors at all length scales.