M. Markov, A. N. Belyakov, D. A. Dyuskina, A. G. Chekuryaev, A. Bykova, S. Perevislov, A. Kashtanov
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METHODS OF FORMING COMPLEX PROFILE PRODUCTS FROM HEAT-RESISTANT CERAMIC MATERIALS BASED ON SILICON CARBIDE
The possibility of obtaining complex-shaped mechanical engineering products based on reaction-sintered silicon carbide using two methods - mechanical processing of polymerized blanks before sintering and hot slip molding under pressure, has been studied. The obtained silicon carbide ceramic materials are characterized by a low density of about 3.04…3.07 g/cm3, a porosity of ? 1 % and a bending strength of 320…360 MPa. Materials based on silicon carbide modified with boron carbide have a density of 2.72 g/cm3, a porosity of about 1 % and a bending strength of 280 MPa.
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