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May 27, 2026Tehnika i tehnologiâ silikatov.

EFFECT OF MECHANICAL PROCESSING ON THE PHASE STATE AND MICROHARDNESS OF PSZ-BASED COMPOSITE CERAMICS WITH AN Al2O3 ADDITION

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Authors

IIIlya Timokhin Ilya

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Overview

Randomized trial reveals correlation between grinding depth and microhardness in zirconium-alumina ceramics, indicating their mechanical properties.

Key Points

  • This study aims to investigate the relationship between phase composition and microhardness of PSZ-based ceramics under different grinding depths.
  • Composite ceramics with 5.4 wt.% Y2O3 and 30 wt.% Al2O3 were analyzed.
  • Surface grinding was performed with a diamond wheel on an OSh-400 machine.
  • Microhardness was measured using the Vickers method and phase analysis by X-ray diffraction.
  • Increased grinding depth from 0.005 mm to 0.02 mm raised monoclinic zirconia content from 31% to 41%.
  • Microhardness decreased significantly from 15800 MPa to 14400 MPa as monoclinic phase content increased.
  • No changes in phase composition were detected at the minimum grinding depth of 0.005 mm.

Cite This Study

Ilya Timokhin Ilya (2026) studied this question.

synapsesocial.com/papers/6a1689eb0c924ddd1bd58868https://doi.org/10.62980/2076-0655-2026-108-117
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