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Fatigue design criteria for ceramic components under cyclic loading

: Buxbaum, O.; Sonsino, C.M.; Esper, F.J.


International journal of fatigue 16 (1994), No.6, pp.257-265
ISSN: 0142-1123
Journal Article
Fraunhofer LBF ()
Bauteil; Bemessung; ceramic; design; fatigue behaviour; fatigue loading; keramischer Werkstoff; Schwingbeanspruchung; Schwingfestigkeitsverhalten; structural component

The fatigue behaviour of differently manufactured Al2O3 ceramics and random samples of Si3N4 ceramics was investigated. The tests were carried out under different mean stresses at room temperature, 800 and 1200 centigrade using unnotched and notched specimens. In addition, some monotonic bending and compressive tests were performed. Based on the results, a concept for dimensioning ceramic components for high-cycle fatigue applications was developed.