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This paper deals with investigation of surface damage induced by grinding operation on the rings made of 100Cr6 bearing steel of hardness 62HRC. Progressively developed grinding wheel wear is caused by using the series of identical rings while the surface properties of machined rings like a hardness, residual stresses, microstructure alterations and magnetic Barkhausen noise (BN) emissions are monitored...
This paper deals with nondestructive magnetic evaluation of ground surfaces of chosen material hardness. The properties of prepared surfaces are studied with respect to the progressively worn grinding wheel. The nondestructive testing is based on the Barkhausen noise (BN) technique and obtained BN signals are supplemented by metallographic observations. The results show that the nature of thermal...
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