Dental grinding introduces surface cracks which lower the biaxial flexural strength and the survival rate under cyclic loading. Sandblasting, in contrast, introduces surface compressive stressess thereby increasing the strength and the suvival rate. Sandblasting also has a potential of hindering the ageing prosess under simulated clinical conditions.
COBISS.SI-ID: 21639975
Accelerated ageing of Y-TZP ceramics prior to mechanical fatigue testing substantially reduces the survival rate. Materials and processing variables influence the machanical properties and stzress-induced transformation, whereas their influence on the hydrothermal stability is statistically insignificant.
COBISS.SI-ID: 21639719
Accelerated ageing in an artificial saliva solution significantly lowers the survival rate of Y-TZP dental ceramics during mechanical fatigue testing.
COBISS.SI-ID: 23034407
Biscuit-sintered Y-TZP ceramics were fabricated exhibiting 40 % lower Young's modulus and superior hydrothermal stability, as compated to densely sintered ceramics, whereby the mechanical properties were acceptable for dental applications.
COBISS.SI-ID: 22607911
In this article the preparation of so called “core-shell” composite, which is based on aggregation of particles of various size of same material in the suspension. The samples were shaped by slip casting and when completely dried, sintered in air to reach determined relative density. The prepared composites exhibit two times higher bi-axial flexural strength at 70 % of theoretical density, compared to the samples prepared only from micronsized core material.
COBISS.SI-ID: 23812391