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Mechanical Characteristics and Crack-Healing of ZIRCONIA(ZrO2) Composite Ceramics with SiC and TiO2
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 Title & Authors
Mechanical Characteristics and Crack-Healing of ZIRCONIA(ZrO2) Composite Ceramics with SiC and TiO2
Nam, Ki Woo;
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 Abstract
This study evaluated the mechanical properties and crack-healing abilities of zirconia composite ceramics. The six kinds of specimens used were: partially stabilized zirconia (Z) and five zirconia composite (ZS, ZST1, ZST2, ZST3, and ZST5) with SiC and . There was not a large difference between the Vickers hardness of the six types of zirconia ceramics. The bending strength of the ZS specimen degraded rapidly, but the zirconia specimens with (ZST1, ZST2, ZST3, and ZST5) showed improved strength. Therefore, it was determined that the bending strength is affected by the crystallization, which is due to the addition of SiC and . From the crack-healing conditions having the highest bending strength, monolithic zirconia retained its cracks, while the specimens of four types with SiC healed their cracks.
 Keywords
Partially Stabilized Zirconia;Crack Healing;Mechanical Property;Bending Strength;
 Language
Korean
 Cited by
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