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Fatigue design of structural ceramic parts by the example of automotive intake and exhaust valves

: Sonsino, C.M.


International journal of fatigue 25 (2003), No.2, pp.107-116
ISSN: 0142-1123
Journal Article
Fraunhofer LBF ()
Si3N4; Mittelspannungsempfindlichkeit; Kerbempfindlichkeit; Mittelspannung; Streuung; scatter; Sicherheit; valve; Ventil; keramischer Werkstoff; Fahrzeugbau

Fatigue design of components subjected to cyclic loading requires special testing methods, component related material data and an appropriate safety concept. The following contribution presents a newly developed methodology for the fatigue design and testing of highly loaded ceramic components. This methodology is verified by laboratory and in-service testing of Si3 N4 intake and exhaust valves.