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Fracture toughness of aluminum nitride ceramics at cryogenic temperatures

โœ Scribed by Wei, Sai; Xie, Zhipeng; Xue, Weijiang; Yi, Zhongzhou; Chen, Juan; Cheng, Lixia


Book ID
122317593
Publisher
Elsevier Science
Year
2014
Tongue
English
Weight
803 KB
Volume
40
Category
Article
ISSN
0272-8842

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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