Self-propagating high-temperature synthesis of spinel-type pigments
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The process of producing spinel-type pigments from a mixture of Al2O3 and Co2O3 with aluminum powder ASD-4 and MgO and ZnO additives by the method of self-propagating high-temperature synthesis (SHS) is investigated. A blue and an ultramarine pigment are obtained. Their phase composition, IR spectra, and structural and color characteristics are studied. It is demonstrated that the SHS method is promising for producing heat-resistant spinel-type pigments of a blue-sky-blue color range.
KeywordsColor Aluminum Al2O3 Phase Composition Co2O3
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