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Hardness, fracture strength, wear resistance, and ultimate bending strength of ceramics based on aluminum oxide irradiated with gamma rays (0.8 MeV) up to 2000 Mrad are studied. It is found that mechanical properties of ceramics in which corundum prevails deteriorate under irradiation. Most resistant to gamma irradiation is a ceramic consisting of equal volume fractions of Al2O3 and 2.5 mol % of Y...
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