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A study on the Grindability of Fine Ceramics by Experimental Method  

Kim, Seong-Kyeum (Kongju University)
Publication Information
Journal of the Semiconductor & Display Technology / v.10, no.3, 2011 , pp. 35-42 More about this Journal
Abstract
This paper describes the characteristics of high speed grinding and the influence of wheel surface speed V and a grindability of the grinding materials. The various fine ceramics pieces was ground by metal and vitrified bonded diamond wheel. The surface roughness of fine ceramics(Zirconia($ZrO_2$), Silicon Carbide(SiC), Silicon Nitride($Si_3N_4$), Alumina($Al_2O_3$)) decreases from $0.05{\mu}m(R_{max})$ to $0.025{\mu}m(R_{max})$ when the wheel speed at grinding point increases the wheel speed. Relation between the temperature at grinding point and surface roughness was linear. Abrasive jet machining(AJM), a specialized from of shot blasting, is considered one of the most helpful micro machining methods for hard and brittle materials such as glasses and ceramics by constant pressure grinding.
Keywords
Fine Ceramics; Grinding force; Grain size; Ball-on-disk wear test; Wheel surface speed; Wear volume; Residual stress; SEM;
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