Abstract:SiO2-B2O3-Al2O3-CaO vitrified bonds are widely used in the diamond abrasive tools preparation. The effect of Li2O on structure and properties of the glass-ceramic bonds was investigated. The structure of the glass-ceramic bonds was analyzed by XRD and FTIR. The bending strength, the sintering properties of different glass-ceramic bonds and the thermal expansion coefficient were tested at meantime. The sintering and interfacial bonding state between L-4 glass-ceramic bonds and diamond grains were observed by SE… Show more
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