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A VC doped WC-Co alloy is investigated using high resolution transmission electron microscopy. The VC grain growth inhibitor induces the presence of a thin layer on the surfaces of the WC grains in contact with Co and precipitates in the corners of Co pockets. These (VW)Cx compounds adopt an epitaxial orientation relationship with regards to the (0001) base facets of the WC crystals. Due to the small...
As potential anti-oxidation coatings, several AlNSi 3 N 4 codeposits have been grown by chemical vapour deposition at low pressure (LPCVD) in a vertical hot-wall reactor on silicon carbide (SiC) layers. Transmission electron microscopy (TEM) studies have been performed in order to determine both the microstructure and local chemical composition of these deposits. It has been confirmed...
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