304奥氏体不锈钢在室温下的塑性流动不稳定性

IF 2.2 3区材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY

Metallurgical and Materials Transactions A-Physical Metallurgy and Materials Science Pub Date : 2023-10-18 DOI:10.1007/s11661-023-07223-5

J. Tabin, K. Nalepka, J. Kawałko, A. Brodecki, P. Bała, Z. Kowalewski

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引用次数: 0

摘要

常温下304不锈钢薄板拉伸变形过程中存在明显的塑性流动不稳定性。结果表明，304中塑性流动不稳定性的发生与应变速率和试样长度有关。而且，它与316L的塑性失稳引起的缩颈本质上是一样的。而变形诱发的马氏体相变导致的强化应变硬化有利于应变局部化带的有序扩展。图形抽象

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Plastic Flow Instability in 304 Austenitic Stainless Steels at Room Temperature

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Plastic Flow Instability in 304 Austenitic Stainless Steels at Room Temperature

Abstract A remarkable plastic flow instability is observed during tensile deformation of the commercial 304 stainless-steel sheet at room temperature. It has been found that the occurrence of plastic flow instability in 304 is dependent on the strain rate and specimen gage length. Moreover, it is essentially the same as the necking caused by plastic instability in 316L. However, the enhanced strain hardening resulting from deformation-induced martensitic transformation facilitates the orderly propagation of the strain-localized band. Graphical Abstract

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来源期刊

Metallurgical and Materials Transactions A-Physical Metallurgy and Materials Science 工程技术-材料科学：综合

CiteScore

5.30

自引率

7.10%

发文量

322

审稿时长

6 months

期刊介绍： Metallurgical and Materials Transactions A focuses on the latest research in all aspects of physical metallurgy and materials science. It explores relationships among processing, structure, and properties of materials; publishes critically reviewed, original research of archival significance. The journal address the main topics of alloy phases; transformations; transport phenomena; mechanical behavior; physical chemistry; environment; welding & joining; surface treatment; electronic, magnetic & optical material; solidification; materials processing; composite materials; biomaterials; and light metals. MMTA publishes Technical Publications, Communications, Symposia, and more. Published with ASM International, The Materials Information Society and The Minerals, Metals & Materials Society (TMS)