Abstract
Selective Laser Sintering (SLS) process has been employed to fabricate alumina-glass composites using monoclinic HBO2 as an inorganic binder. Subsequent post-thermal processing of green SLS parts at various temperatures yielded glass-ceramic composites. Composites with higher glass contents showed higher density and bend strength for all firing temperatures than those with lower glass contents. For a firing temperature of 900°C, the glass redistribution arising from a better viscous flow of glass gave all composites maximum density and bend strength. In addition, fully dense SLS glass-ceramic parts were obtained by employing the Ceracon forging process. Bend strength of these Ceracon forged composite parts reached as high as 70 to 110 MPa.
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