By introducing a eutectic additive of the CaO - ZnO - Al 2 O 3
- SiO 2 system and tetragonal zirconia into the alumina synthesized by calcining the hydroxide, dispersion-hardened material with an average bending strength of 580 - 40 MPa, promising as a structural one. The sintering temperature of such ceramics is 1550 ° C. The properties of the eutectics of this system have been analyzed, the optimal composition of the liquid phase has been established, which promotes intensive sintering of aluminum oxide. Tab. 3, bibliography: 5 titles.
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