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首页> 外文期刊>Journal of Materials Engineering and Performance >Studies on Mechanical Alloying of Copper-Tungsten Carbide Composite for Spot Welding Electrode
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Studies on Mechanical Alloying of Copper-Tungsten Carbide Composite for Spot Welding Electrode

机译：点焊电极铜-碳化钨复合材料的机械合金化研究

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摘要

This article presents a study on the properties and performance of copper-based composite reinforced with recycled tungsten carbide powder as spot welding electrode. The copper-tungsten carbide composite electrode was prepared by mechanical alloying and powder forging before being machined into truncated cone-face geometry. The welding operation was conducted on galvanized steel using a pedestal-type spot welding machine. Composites with higher density and electrical conductivity were obtained after mechanical alloying for shorter time. In contrast, a higher hardness is shown in the composite, which was mechanically alloyed to longer time. The strength of the welded steel coupon was found to increase with decreasing milling time due to an increase in density and electrical conductivity. The wear behavior of the composite revealed that the deformation of the spot weld electrode increased with increasing milling time.
机译：本文对以回收碳化钨粉为点焊电极的铜基复合材料的性能进行了研究。通过机械合金化和粉末锻造来制备碳化钨-钨复合电极，然后将其加工成截顶锥面几何形状。使用基座式点焊机在镀锌钢上进行焊接操作。机械合金化时间较短后，可获得密度和电导率较高的复合材料。相反，在复合材料中显示出更高的硬度，该材料通过机械合金化了更长的时间。发现由于密度和电导率的增加，焊接的钢试样的强度随着铣削时间的减少而增加。复合材料的磨损行为表明，点焊电极的变形随着铣削时间的增加而增加。

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