Abstract
The rake and flank faces of worn tungsten carbide cutting tools used to machine BS EN1A steel were analyzed using micro-beam particle induced X-ray emission (Micro-PIXE) technique. The distribution maps of the workpiece material elements (Fe and Mn) and the tool material element (W) on the tool faces were constructed and used to determine the geometry of the wear regions on the cutting tools. These wear regions agreed very well with those observed by the scanning electron microscope (SEM). The results showed lack of correlation between the distributions of Fe and Mn. The distribution of Mn indicates the presence of diffusion wear whereas the distribution of Fe shows the presence of adhesive wear. Micro-PIXE has assisted in understanding the nature of tool wear and identifying the prevailing wear mechanisms.
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