搅拌摩擦焊对2098-T351合金耐腐蚀性能的影响

IF 3 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY

Materialia Pub Date : 2025-02-08 DOI:10.1016/j.mtla.2025.102363

João Victor de S. Araujo , Mariana X. Milagre , José Wilmar Calderón-Hernández , Nathanael W. Morais , Isolda Costa

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引用次数: 0

摘要

通过在0.005 mol L⁻¹NaCl溶液中浸泡和电化学试验，研究了搅拌摩擦焊（FSW）对AA2098-T351铝合金耐蚀性的影响。结果表明，包括热机械影响区（TMAZ）和搅拌区（SZ）在内的焊接接头（WJ）比热影响区（HAZ）和搅拌区（BM）具有更好的局部耐蚀性。相对于HAZ和BM， SZ和TMAZ表现出阴极行为。此外，分析和讨论了隔离焊接区之间的耐蚀性差异及其在电偶作用下的行为，突出了焊接结构内部复杂的电化学相互作用。

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Friction Stir welding effects on the corrosion resistance of the 2098-T351 alloy

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Friction Stir welding effects on the corrosion resistance of the 2098-T351 alloy

The effects of friction stir welding (FSW) on the corrosion resistance of the AA2098-T351 aluminum alloy were investigated through immersion and electrochemical tests in a 0.005 mol L⁻¹ NaCl solution. The findings revealed that the welding joint (WJ), which includes the thermomechanically affected zone (TMAZ) and stir zone (SZ), demonstrated superior localized corrosion resistance compared to the HAZ and BM. The SZ and TMAZ demonstrated cathodic behavior relative to the HAZ and BM. Furthermore, the differences in corrosion resistance among the isolated welding zones and their behavior under galvanic coupling were analyzed and discussed, highlighting the complex electrochemical interactions within the welded structure.

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来源期刊

Materialia MATERIALS SCIENCE, MULTIDISCIPLINARY-

CiteScore

6.40

自引率

2.90%

发文量

345

审稿时长

36 days

期刊介绍： Materialia is a multidisciplinary journal of materials science and engineering that publishes original peer-reviewed research articles. Articles in Materialia advance the understanding of the relationship between processing, structure, property, and function of materials. Materialia publishes full-length research articles, review articles, and letters (short communications). In addition to receiving direct submissions, Materialia also accepts transfers from Acta Materialia, Inc. partner journals. Materialia offers authors the choice to publish on an open access model (with author fee), or on a subscription model (with no author fee).