The Influence of the Application of Electromagnetic Fields of Low Intensity during Gas Metal Arc Welding of AL6XN-Inconel 600 Dissimilar Welds

IF 2 4区材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY

Journal of Materials Engineering and Performance Pub Date : 2026-03-02 DOI:10.1007/s11665-025-12621-4

R. Cortés-Rodríguez, F. Paz-Zavala, V. H. López-Morelos, M. Salazar-Martínez, F. F. Curiel-López, A. Ruiz

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Abstract

The effects of the application of electromagnetic fields (EMF) of low intensity (3 mT) during welding AL6XN-Inconel 600 (IN600) plates were investigated in terms of the microstructure and mechanical properties. The plates, 6.35 mm in thickness, were gas metal arc welded (GMAW) in a single pass using ERNiCrMo-3 and ER310 filler wires. The welding parameters were adjusted to heat inputs of ~ 1.2 kJ/mm. The application of the EMFs had no significant effect on the dilution of the base materials, but the microstructural characterization of the welds revealed a remarkable grain refining effect in the weld metal (WM). The non-mixing zone at the interface between the WM and the AL6XN was significantly reduced for both electrodes applying EMFs. The highest energy absorbed in the Charpy impact tests was for the specimens welded with ER310. A positive effect was seen in this property for welds performed with EMFs. Failure of the welded joints during tension tests occurred at the WM when using ER310 whereas for ERNiCrMo-3 the specimens broke at the HAZ of IN600. The failures zones correlated well with microhardness maps. The dissimilar welds joined with ERNiCrMo-3 in conjunction with the simultaneous application of the EMF exhibited the best mechanical properties.

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应用低强度电磁场对AL6XN-Inconel 600异种焊缝气体保护焊接的影响

研究了低强度（3 mT）电磁场（EMF）对AL6XN-Inconel 600 （IN600）板材焊接组织和力学性能的影响。钢板厚度为6.35 mm，采用ERNiCrMo-3和ER310填充焊丝进行单道气体金属弧焊（GMAW）。焊接参数调整为~ 1.2 kJ/mm的热输入。电磁场的应用对基体的稀释没有显著影响，但焊缝的显微组织表征显示焊缝金属（WM）有显著的晶粒细化作用。在两种电极的作用下，WM和AL6XN界面处的非混合区显著减小。用ER310焊接的试样在夏比冲击试验中吸收的能量最高。在使用电磁场进行的焊接中，可以看到这种性能的积极影响。当使用ER310时，焊接接头在拉伸试验中发生破坏，而对于ERNiCrMo-3，试样在HAZ为IN600时断裂。失效区与显微硬度图有很好的相关性。与ERNiCrMo-3同时应用电势的异种焊缝表现出最佳的力学性能。

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来源期刊

Journal of Materials Engineering and Performance 工程技术-材料科学：综合

CiteScore

3.90

自引率

13.00%

发文量

1120

审稿时长

4.9 months

期刊介绍： ASM International''s Journal of Materials Engineering and Performance focuses on solving day-to-day engineering challenges, particularly those involving components for larger systems. The journal presents a clear understanding of relationships between materials selection, processing, applications and performance. The Journal of Materials Engineering covers all aspects of materials selection, design, processing, characterization and evaluation, including how to improve materials properties through processes and process control of casting, forming, heat treating, surface modification and coating, and fabrication. Testing and characterization (including mechanical and physical tests, NDE, metallography, failure analysis, corrosion resistance, chemical analysis, surface characterization, and microanalysis of surfaces, features and fractures), and industrial performance measurement are also covered