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Size effect and time-dependent nanohardness of ZrO2-based ceramics

✍ Scribed by Yu. I. Golovin; V. I. Ivolgin; V. V. Korenkov; B. Ya. Farber


Book ID
110128510
Publisher
SP MAIK Nauka/Interperiodica
Year
2001
Tongue
English
Weight
66 KB
Volume
43
Category
Article
ISSN
1063-7834

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We measured the fracture strength and fracture toughness of ZrOa-based ceramics containing 14.5mo1%, 15.5mo1%, and 16.5mo1% CeO/at 298,77,and 4.2K.The results indicate that there is 56-117% increase in fracture toughness at 4.2K and 47.6-92% increase in fracture strength at 4.2K. The maximum increas