Domestic commercially available powders? -Al 2 O 3 are considered and evaluated for use as raw materials for the production of high-strength ceramics. Additional chemical cleaning and mechanical treatment of alumina GDT can improve the ceramic properties of the material. Ceramics obtained from fine-crystalline alumina produced by ZAO Nano-composite, in terms of density and microhardness, surpasses all the materials considered, including ceramics obtained from Almatis-1200 alumina.
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