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Davies, Peter; Sims, Gd; Blackman, Brk; Brunner, Aj; Kageyama, K; Hojo, M; Tanaka, K; Murri, G; Rousseau, C.; Gieseke, B; Martin, Rh. |
This paper presents a summary of the tests performed within a Versailles Project on Advanced Materials and Standards collaborative test programme to examine the measurement of mode II interlaminar fracture toughness using four different test methods based on end notched flexure, stabilised end notched flexure, end loaded split, and four point end notched flexure carbon fibre reinforced epoxy specimens. Tests were performed by members of the European Structural Integrity Society, the Japan Industrial Standards group, and the American Society for Testing and Materials. PRC/1546 |
Tipo: Text |
Palavras-chave: Delamination; Fracture tests; Mode II; Interlaminar shear; Fracture toughness. |
Ano: 1999 |
URL: http://archimer.ifremer.fr/doc/00148/25883/24089.pdf |
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Maurin, Romain; Baley, Christophe; Cartie, Denis D. R.; Davies, Peter. |
This paper describes results from tests to examine the influence of through-thickness pinning on in-plane shear behaviour, measured by tensile loading of +/- 45A degrees specimens. Samples were produced by both aeronautical and marine manufacturing processes. As few previous studies have investigated pinning of marine composites these were also subjected to out-of-plane shear delamination tests. For both carbon/epoxy laminates the pins reduce the apparent in-plane shear modulus and strength. Pins modify the strain field measured by full-field image analysis, and slow damage development. A new damage mechanism, transverse pin cracking, was observed. |
Tipo: Text |
Palavras-chave: Z-pinning; Shear; Mode II; Damage; Acoustic emission. |
Ano: 2012 |
URL: http://archimer.ifremer.fr/doc/00113/22390/20186.pdf |
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