Abstract
The present paper is concerned with grinding temperatures and surface Integrity for grinding of magnetic composites consisting of sandwich-like layers of brittle magnetic material and soft steel. High temperatures which are generated during grinding of these magnetic composites may have a detrimental effect on their magnetic properties if the grinding temperature exceeds the Curie point of the magnetic component. A thermal model was developed to calculate the grinding temperatures in the magnetic composite workplace. Temperatures measured in the magnetic composite using embedded thermocouples were found to be consistent with predictions from the thermal model. Crucial regions in the magnetic composite were found where the highest temperatures and temperature gradients occur and where surface integrity may be destroyed. The range of grinding conditions providing both high efficiency and good surface quality were found.
Published Version
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