Abstract
This paper examines various surface pretreatments and their impact on the quality of vitreous enamel coating. In this case, 316L stainless steel was chosen as the base material and a premix enamel coating specially prepared for stainless steel for enamelling. Samples prepared by Selective Laser Melting (SLM) were used. Both mechanical (blasting, tumbling) and chemical (pickling) pre-treatments were applied. The surface variation of the differently prepared samples together with the interface between the vitreous enamel coating and the base material were examined by SEM. The results show that different surface pretreatments affect the final enamel coating and its quality.
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