Nonlinear Creep Behaviour of Glass Fiber Reinforced Polypropylene: Impact of Aging on Stiffness Degradation
Composites Part B: Engineering
2019
Margherita Basso,
Līva Pupure,
Michele Simonato,
Riccardo Furlanetto,
Luigi De Nardo,
Roberts Joffe
Nonlinear creep behavior of one commercial short glass fiber reinforced polypropylene was investigated using tensile creep tests and stiffness degradation measurements. The impact of thermal aging and following quenching was evaluated on the latter mechanical property. Experimental results were modeled applying nonlinear viscoelastic model used by Pupure et al. (2013) and developed by Lou and Schapery [1,2]. Results showed that this model can describe nonlinear behavior of short glass fiber reinforced polymer composites, where microdamage is given by debonding of fiber-matrix interfaces already at low strains, where cracks propagate and lead to tensile creep fracture.
Atslēgas vārdi
Analytical modelling, Creep, Mechanical testing, Polymer-matrix composites (PMCs)
DOI
10.1016/j.compositesb.2019.01.052
Hipersaite
https://www.sciencedirect.com/science/article/pii/S1359836818314744?via%3Dihub
Basso, M., Pupure, L., Simonato, M., Furlanetto, R., De Nardo, L., Joffe, R. Nonlinear Creep Behaviour of Glass Fiber Reinforced Polypropylene: Impact of Aging on Stiffness Degradation. Composites Part B: Engineering, 2019, Vol. 163, 702.-709.lpp. ISSN 1359-8368. e-ISSN 1879-1069. Pieejams: doi:10.1016/j.compositesb.2019.01.052
Publikācijas valoda
English (en)