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Experimental investigations were carried out using a numerically controlled milling machine to weld ultra-thin copper foils (20μm and 50μm thickness).Welds were analyzed by optical microscopy, scanning electron microscopy (EDS), tensile shear tests and micro-hardness. The ultimate maximum shear-load could be achieved up to 56N with the rotation speed of 800rpm and the traveling speed of 25mm/min,...
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