Abstract
Magnetic abrasive finishing (MAF) is one of the nontraditional machining processes that have been studied to improve the surface quality and deburr the workpiece. The magnetic abrasive particles (MAPs) as the machining tool of MAF influence the finishing efficiency and the final surface quality. In this study, in order to evaluate the comprehensive performance of the sintered MAPs with the simply mixed MAPs, the surface morphologic structure and the particulate compositions of the sintered MAPs were observed and tested by scanning electron microscopy with energy spectrum analysis. The M–H curves of the two kinds of MAPs were tested through a superconducting quantum interference device. The actual magnetic flux density in the working gap was measured by Gauss meter, and the results showed that the magnetic properties of the sintered MAPs are superior to the simply mixed MAPs. At last, through the different finished surface texture and motion analysis combining with all the measurements, results proved that the finishing ability of sintered MAPs is greater than simply mixed MAPs.
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