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首页> 外文期刊>International Journal of Electrochemical Science >Influence of Cu Content on Microstructure and Corrosion Behavior of Flux-Cored Arc-Welded Metal with 10CrNi3MoV Steel
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Influence of Cu Content on Microstructure and Corrosion Behavior of Flux-Cored Arc-Welded Metal with 10CrNi3MoV Steel

机译：铜含量对10CrNi3MoV钢药芯焊丝电弧焊接金属组织和腐蚀行为的影响

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This study aimed to investigate the effects of Cu addition on the properties of the 10CrNi3MoV steelweld metals prepared in the laboratory according to the flux-cored arc welding (FCAW) method.Specifically, the 10CrNi3MoV steel FCAW joints had been fabricated based on the as-prepared flux-cored wires after adding various Cu contents under the M21 mixed gas protection environment.Subsequently, the relationships of the micro-structural factors with the mechanical properties andcorrosion behavior of the weld metal were examined through the metallographic, mechanical, EIS andSVET methods using the specimens cut transversely to the weld beads. Our research results hadsuggested that the addition of appropriate amount of Cu contributed to refining the grain size andimproving the mechanical properties of the weld metals. Besides, it could also enhance the corrosionresistance of the FCAW welded metals, as verified through the conventional EIS and the localizedmicroelectrodes (SVET) measurement.
机译：本研究旨在研究添加铜对实验室根据药芯焊丝电弧焊（FCAW）方法制备的10CrNi3MoV钢焊接金属性能的影响。具体地说，基于以下条件制造了10CrNi3MoV钢FCAW接头：在M21混合气体保护环境中添加各种含量的Cu后，制备了药芯焊丝。随后，通过金相，力学，EIS和SVET方法，使用金相，机械，EIS和SVET方法研究了微结构因素与焊缝金属力学性能和腐蚀行为的关系。试样横向于焊缝切开。我们的研究结果表明，添加适量的铜有助于细化晶粒尺寸并改善焊接金属的机械性能。此外，它还可以增强FCAW焊接金属的耐腐蚀性，这已通过常规EIS和局部微电极（SVET）测量得到验证。

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