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

被引：0

作者：

Araujo, Joao Victor de S. ^{[1
]}

Milagre, Mariana X. ^{[1
]}

Calderon-Hernandez, Jose Wilmar ^{[2
]}

Morais, Nathanael W. ^{[1
]}

Costa, Isolda ^{[1
]}

机构：

[1] IPEN CNEN, Inst Pesquisas Energet & Nucl, Ave Prof Lineu Prestes 2242, Sao Paulo, Brazil

[2] Corp Univ Remington, Fac Ciencias Basicas & Ingn, Grp Invest Ingeniar, Calle 51 51-27, Medellin, Colombia

来源：

MATERIALIA | 2025年 / 39卷

基金：

巴西圣保罗研究基金会;

关键词：

Al-Cu-Li alloy; Friction stir welding; Microstructure; Localized corrosion; ALUMINUM-LITHIUM ALLOY; LOCALIZED CORROSION; WELDED-JOINTS; LI ALLOYS; MICROSTRUCTURE; BEHAVIOR; EVOLUTION; SUSCEPTIBILITY; PRECIPITATION; AA5083;

D O I：

10.1016/j.mtla.2025.102363

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

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.

引用

页数：15

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