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Behaviour of fiber-reinforced plastics and estimation of components service strength

Verhalten von faserverstärkten Kunststoffen und Abschätzung der Betriebsfestigkeit von Bauteilen
: Grubisic, V.

Croatian Society of Mechanics, Zagreb:
Proceedings of the 1st Congress of Croatian Society of Mechanics
Zagreb, 1994
pp.226-234 : Abb.,Lit.
Croatian Society of Mechanics (Congress) <1, 1994, Pula>
Conference Paper
Fraunhofer LBF ()
Betriebsfestigkeit; Betriebsspannung; faserverstärkter Kunststoff; fatigue life; fatigue life estimation; fiber reinforced plastics; Lebensdauer; Lebensdauerabschätzung; operational stress; residual strength; Restfestigkeit; Steifigkeit; stiffness; structural fatigue strength; Temperatur; temperature

The service strength of components produced from fiber reinforced plastics depends on operational stresses and environmental conditions, of which decisive are the temperature and the humidity. The composition and percentage of individual ingredients strongly influence the properties of used material and must be determined by experiments.. The estimation of the component service strength must include three decisive criteria: fatigue life, residual strength and stiffness loss. These criteria depend on each other and are nonlinearly related to the operational loading. Basic data necessary for the evaluation, individual criteria and their relation as well as a new, up to now unpublished general procedure to estimate the structural service strength of such components, are presented.