Abstract
The paper focuses on properties of polymers to produce core-shell ceramic powders (Al2O3, TiC, ZrO2-Y2O3, TiB2, SiO2, SiC, ZrB2, Si3N4, TiN, B4C) and to set selective laser sintering (SLS) parameters to make ceramic prototypes with complex shape and bionic design. Polymer materials: polyvinyl alcohol (PVOH) grades V, 8/1, 16/1; polyvinyl acetate (PVAc) grades M10 and M100; polyamide (PA) grades 12 carbon, 6/66/610 - 1, 6/66 - 4, 54/10 (6/66 - 1), polystyrene (PS) grades 525M and 825M were investigated to determine glass transition temperature (Tg), melting (Tm) and crystallization (Tcr) points, as well as thermal effects in nitrogen, argon and air. Polymers were heated to temperature comparable to the melting point with step of 5 °C/min and were cooled to 20 °C with differential scanning calorimeter (DSC).
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