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Eggers, H. und Goetting, H.C. und Baeuml, H. (1994) Synergism between layer cracking and delaminations in multidirectional laminates of carbon-fibre-reinforced epoxy. Composites Science and Technology, 50, Seiten 343-354.
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Kurzfassung
Photographs of different crack modes are shown giving insight into the damage behaviour of composites fabricated of T300/914C plies of 0.125 mm thickness. An increase in the damage tolerance was observed for laminates stacked by quasi-unidirectional(+-2)angle plies. For cross-ply laminates under tension fatigue loading, test results, supplied for the spacings of layer cracks, are used to generate formulae for the residual layer stiffnesses. As an extension to the common energy relaese rate (ERR) concept an ERR tensor is established. The first invariant of this tensor and its mean values describe the energy release rate and its partitioning into different crack modes, respectively. From the complete set of invariants a first estimation of crack condition for the delamination growth is proposed which includes the effect of fibre orientation.
| elib-URL des Eintrags: | https://elib.dlr.de/41827/ | ||||||||||||||||
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| Dokumentart: | Zeitschriftenbeitrag | ||||||||||||||||
| Zusätzliche Informationen: | LIDO-Berichtsjahr=1994, | ||||||||||||||||
| Titel: | Synergism between layer cracking and delaminations in multidirectional laminates of carbon-fibre-reinforced epoxy. | ||||||||||||||||
| Autoren: |
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| Datum: | 1994 | ||||||||||||||||
| Erschienen in: | Composites Science and Technology | ||||||||||||||||
| Referierte Publikation: | Ja | ||||||||||||||||
| Open Access: | Nein | ||||||||||||||||
| Gold Open Access: | Nein | ||||||||||||||||
| In SCOPUS: | Nein | ||||||||||||||||
| In ISI Web of Science: | Ja | ||||||||||||||||
| Band: | 50 | ||||||||||||||||
| Seitenbereich: | Seiten 343-354 | ||||||||||||||||
| Status: | veröffentlicht | ||||||||||||||||
| Stichwörter: | Layer cracking, delamination, carbon-fibre-reinforced laminated, damage condition, energy release rate, synergism. | ||||||||||||||||
| HGF - Forschungsbereich: | NICHT SPEZIFIZIERT | ||||||||||||||||
| HGF - Programm: | Luftfahrt | ||||||||||||||||
| HGF - Programmthema: | keine Zuordnung | ||||||||||||||||
| DLR - Schwerpunkt: | NICHT SPEZIFIZIERT | ||||||||||||||||
| DLR - Forschungsgebiet: | L ST - Starrflüglertechnologien | ||||||||||||||||
| DLR - Teilgebiet (Projekt, Vorhaben): | NICHT SPEZIFIZIERT | ||||||||||||||||
| Standort: | Braunschweig | ||||||||||||||||
| Institute & Einrichtungen: | Institut für Faserverbundleichtbau und Adaptronik > Institut für Strukturmechanik | ||||||||||||||||
| Hinterlegt von: | DLR-Beauftragter, elib | ||||||||||||||||
| Hinterlegt am: | 02 Apr 2006 | ||||||||||||||||
| Letzte Änderung: | 27 Apr 2009 11:57 |
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