A study of pure hydrolysis of carbon fibre reinforced polyamide 6 composites tested under mode I loading
|Author(s)||Arhant Mael1, Lolive Eric2, Bonnemains Thomas2, Davies Peter1|
|Affiliation(s)||1 : IFREMER, Marine Structures Laboratory, Centre de Bretagne, Plouzané, France
2 : IUT de Brest, IRDL, Brest, France
|Source||Composites Part A-applied Science And Manufacturing (1359-835X) (Elsevier BV), 2022-01 , Vol. 152 , N. Part A , P. 106719 (10p.)|
|WOS© Times Cited||6|
|Keyword(s)||Thermoplastic composites, Mode I fracture, Hydrolysis, Molar mass, Arrhenius|
This paper focuses on the durability of carbon/polyamide 6 thermoplastic composites subjected to hydrolytic aging and tested under mode I static crack growth loading. In this study, aging was performed at temperatures ranging from 100 to 140 °C for durations up to 3 months in oxygen-free water. Results show that following wet aging the fracture toughness (energy release rate) decreases significantly, from an unaged value of 3.4 kJ/m2 down to values below 1 kJ/m2 after extensive degradation. This decrease was associated with a change from ductile to brittle behaviour, which allowed a critical molar mass M’c, to be determined for the first time on long carbon fibre reinforced composites.