Abstract
This paper concerns the influence of increasing the milling time, which is performed by a high-energetic rotary-vibratory mill and WC-Co balls, on boron carbide sintering. The commercial boron carbide powder was characterised regarding the morphological, grain size and phase composition after 0–16 h of milling. The prepared green bodies were sintered using dilatometry to determine the WC contamination impact on the onset and end process temperature. The increasing tungsten boride phase content was confirmed by XRD analysis. The content of WC contamination on the boron carbide laser sintering process was also qualitatively analysed. The obtained polycrystals were analysed in terms of phase composition, microstructure and tungsten element distribution.
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