強磁性材料の研削加工における磁気効果 : 研削量と研削抵抗に及ぼす磁場の影響

概要

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The grinding tests were performed in the magnetic field by using the ferromagnetic materials of Ni, S45C and SUS430 steels. The stock removal and the grinding force increase by 5-21% and 3-9% respectively when the workpieces are magnetized up to 16mT by the alternating current. The rate of increase of the stock removal is greater in cases of smaller load on the workpiece, larger size of the abrasive grain and slower grinding speed. Those effects are more remarkable in case of the SiC abrasive grain rather than the Al_20_3 grain. The increase in stock removal is assumed to be caused by the increase in the movable dislocations which are brought about the interaction between the dislocations and the vibrating magnetic-domain-walls as well as by the ΔE effect.
公益社団法人精密工学会の論文
1992-10-05