Strength Degradation from Contact Fatigue in Self-toughened Glass-Ceramics

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We investigated strength degradations from cyclic contact fatigue in self-toughened glass-ceramics. Hertzian indentation was used to induce cyclic contact load. Dynamic fatigue was also performed with changing stress rates form 0.01 to 10000 MPa/sec. After that, strength data and fracture origins were analysed. As the number of contact cycles increased or stressing rate decreased, severe strength degradation occurred by as much as 50% because of radial cracks developed form microcrack coalescence
Publisher
한국세라믹학회
Issue Date
2001-06
Language
English
Citation

한국세라믹학회지, v.7, no.2, pp.63 - 69

ISSN
1225-9381
URI
http://hdl.handle.net/10203/83638
Appears in Collection
MS-Journal Papers(저널논문)
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