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Mixed-mode fracture in EPDM/SBR/nanoclay rubber composites: An experimental and theoretical investigation

Ayatollahi, M. R. and Meybodi, M. Heydari and Berto, F. and Yahya, M. Yazid (2019) Mixed-mode fracture in EPDM/SBR/nanoclay rubber composites: An experimental and theoretical investigation. Composites Part B: Engineering, 176 . p. 107312. ISSN 1359-8368

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Official URL: http://dx.doi.org/10.1007/s13202-019-0631-z

Abstract

Fracture analysis of rubber nanocomposites weakened by a crack and loaded in mixed-mode (I/II) condition is investigated in the current research for the first time. In fact, no study was devoted in the past to investigate the fracture of rubbers reinforced with nanoparticles and subjected to mixed-mode loading, neither experimentally nor theoretically. To fill this gap, in the experimental phase of study, ethylene–propylene-diene monomer (EPDM)/styrene-butadiene rubber (SBR) blends reinforced with CLOISITE 15 nanoclay are prepared and some uniaxial tensile experiments and fracture tests are conducted. In the theoretical field of contribution, due to the undeniable importance of presentation of a fracture criterion, an energy-based criterion, namely averaged strain energy density (ASED), is adopted to predict the rupture of tested rubber/nanoclay composites. To apply the criterion, some non-linear finite element analyses considering the Ogden hyperelastic material model are also performed. The results highlight the success of this criterion to assess the fracture of nano-reinforced rubbers containing a mixed-mode crack.

Item Type:Article
Uncontrolled Keywords:Particle-reinforcement, Fracture
Subjects:T Technology > TP Chemical technology
Divisions:Chemical and Energy Engineering
ID Code:87531
Deposited By: Widya Wahid
Deposited On:08 Nov 2020 12:05
Last Modified:08 Nov 2020 12:05

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