On the prediction of surface burn and its thickness in grinding processes
Jamshidi, Hamid and Budak, Erhan (2021) On the prediction of surface burn and its thickness in grinding processes. CIRP Annals - Manufacturing Technology . ISSN 0007-8506 (Print) 1726-0604 (Online) Published Online First http://dx.doi.org/10.1016/j.cirp.2021.04.041
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Official URL: http://dx.doi.org/10.1016/j.cirp.2021.04.041
Surface burn during grinding processes is a thermally induced damage creating unwanted changes and must be avoided. Previous studies correlated surface burn with a critical temperature as its threshold. In this study, metal oxidation at high temperatures is proposed as the mechanism responsible for burn, and a model is developed considering both temperature and exposure time to predict the occurrence of burn and its thickness. Grinding tests were carried out and the cross-sections of the samples were analyzed to validate the model. The model use was demonstrated satisfactorily for selection of burn free and high productivity grinding conditions.
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