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Lifetime assessment for GFRP-gliders using a representative substructure

  • In a research project fatigue tests on two identical wing sections that are used as representative substitute components were performed to estimate lifetime enhancement of light-weight aircraft such as general aviation gliders. Single step fatigue tests at limit load on one component were compared with spectrum loading on the other. A characteristic damage behaviour was observed. Local buckling due to high shear loading of the sandwich core of the wing shell causes the main damage. Even though an intentionally high load level was chosen no increase of micro-cracking could be detected. Additionally no delamination effects in laminates or bondings were observed except the skin-core delamination which causes the buckling effect in the wing shell due to fatigue loading. Finally the concept of using representative substructures and accompanying specimen tests is an effective approach for in-service loading investigations and could also be applied to research on wind turbine blades.

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Metadaten
Autoren/innen:Fabian Grasse, Volker Trappe, Stefan Hickmann, O. Meister
Dokumenttyp:Zeitschriftenartikel
Veröffentlichungsform:Verlagsliteratur
Sprache:Englisch
Titel des übergeordneten Werkes (Englisch):International Journal of Fatigue
Jahr der Erstveröffentlichung:2010
Verlag:Elsevier
Verlagsort:Oxford
Jahrgang/Band:32
Ausgabe/Heft:1
Erste Seite:94
Letzte Seite:99
Freie Schlagwörter:Fatigue tests; Glass fibre reinforced plastics (GFRP); Grey scale value analysis; Non-destructive testing (NDT); X-ray-refraction
DOI:https://doi.org/10.1016/j.ijfatigue.2009.02.003
ISSN:0142-1123
Verfügbarkeit des Volltexts:Papiergebundenes Belegexemplar in der Bibliothek der BAM vorhanden ("Hard-copy Access")
Bibliotheksstandort:Sonderstandort: Publica-Schrank
Datum der Freischaltung:19.02.2016
Referierte Publikation:Ja
Datum der Eintragung als referierte Publikation:27.11.2009