Grain-boundary character of titanium carbide produced by the reaction between titanium-containing molten alloy and silicon carbide

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Abstract
The coincidence boundary in TiC produced by SiC brazing by Ti-containing molten alloy was observed using a high-resolution transmission electron microscope. In-situ observation of the formation process of the TiC grain boundary revealed that the orientational relationship between SiC and TiC governed the orientation of the TiC. Crystallographic analysis indicated that the TiC crystals, which have an epitaxial orientational relationship with SiC, tended to produce a coincidence boundary.