In the present work the influences of thermal-baric effect in the process of nanostructured alumina and zirconia powders consolidation on structure and physical-mechanical properties of the composite ceramics have been investigated. The samples of ceramics have been prepared from nanostructured powders (ZrO 2-3 mol. % Y 2 O 3) and Al 2 O 3 in ratio from 100 : 0 to 20 : 80 wt. % in two ways: by static uniaxial pressing and by pulse pressing. Then part blanks were annealed in the temperature region 1560-1670 o C. During pulse process a crystal structure of samples was disordered, and monoclinic ZrO 2 lattice was partially deformed. After a heat treatment of a blank the crystal structure of metal oxides was restored. Ceramics of oxide powders with content 100-50 wt. % PSZ synthesized at the 1100 o С possessed a higher level of properties than one of active powders prepared at the 900 o C.
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