Fatigue crack growth properties of carbon-polyamide 6 thermoplastic composites using a multi-ΔG control method
| Type | Article | ||||||||||||
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| Date | 2021-07 | ||||||||||||
| Language | English | ||||||||||||
| Author(s) | Arhant Mael 1, Lolive Eric2, Bonnemains Thomas2, Davies Peter1 |
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| Affiliation(s) | 1 : IFREMER, Marine Structures Laboratory, Centre de Bretagne, Plouzané, France 2 : Institut de Recherche Dupuy de Lôme (IRDL - UMR CNRS 6027), Université de Bretagne Occidentale [UBO], France |
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| Source | Engineering Fracture Mechanics (0013-7944) (Elsevier BV), 2021-07 , Vol. 252 , P. 107825 (14p.) | ||||||||||||
| DOI | 10.1016/j.engfracmech.2021.107825 | ||||||||||||
| WOS© Times Cited | 3 | ||||||||||||
| Keyword(s) | Thermoplastic composites, Mode I, Fatigue crack growth | ||||||||||||
| Abstract | The present paper presents a new multi-ΔG control approach to perform mode I fatigue crack growth tests using several constant cyclic energy release rate ranges (ΔG) on only one specimen. It was successfully applied on carbon/polyamide 6 unidirectional composite specimens. After validation checks on the approach, results show that the crack propagation behaviour exhibits three different crack propagation regimes that can be accurately described using the Hartman-Shijves equation. This work has shown that the multi-ΔG control method can provide reliable crack growth propagation results and a complete ΔG versus cycles description. |
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