Transformation Driving Force For Indentation Cracking In Zirconia Ceramics

The tranformation driving force for indentation cracking in phase-transformation-toughened ZrO2 ceramics is confirmed with the direct crack measurement method. This driving force is produced by expansion of the plastic zone beneath the indenter due to stress-induced transformation, and it promotes the extension of the indentation cracks. The driving force cannot be neglected when evaluating the indentation fracture toughness of the materials.

Author
K Liang & K Gu
Origin
Tshinghua University, China
Journal Title
J Am Ceram Soc 76 12 1993 3144-3146
Sector
Glass Ceramics
Class
GC 155

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Transformation Driving Force For Indentation Cracking In Zirconia Ceramics
J Am Ceram Soc 76 12 1993 3144-3146
GC 155
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