Abstract

In the current scenario, light-weighting is an unavoidable reality for development in every field of production. In many cases, polymers or fibers are appreciated in place of lightweight metals due to a higher reduction in weight, low cost, and other appreciable properties of polymers like transparency and aesthetic. However, joining the metal and polymer is still one of the most significant hindrance for their application. Friction stir welding has been proving its application in almost every field of welding since its development. In this study, copper has been joined though friction stir spot welding to poly-methyl-methacrylate (PMMA) using friction stir spot welding (FSSW). A brief characterization of metal and polymer weld joint interface has been done. The effect of different parameters has been studied under the insight of images from the different imaging processes. The weld cross-section of the weld joint interface has been studied to understand the flow of material during the welding process.

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