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Farshidi, Arash
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Publications (5/5 displayed)
- 2023Face/core disbond fatigue growth in honeycomb cored aircraft sandwich elements under mixed mode flatwise tension loadingcitations
- 2020Low temperature mixed-mode debond fracture and fatigue characterisation of foam core sandwichcitations
- 2019Numerical fracture analysis and model validation for disbonded honeycomb core sandwich compositescitations
- 2019Disbond Damage in Aircraft Sandwich Structures
- 2017Debond fracture characterization in sandwich composites under arctic low temperature conditions
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article
Low temperature mixed-mode debond fracture and fatigue characterisation of foam core sandwich
Abstract
This paper experimentally investigates the effects of low temperature onfracture toughness and fatigue debond growth rate in foam core sandwichcomposites. Mixed-mode bending specimens were statically and cyclicallytested inside a climatic chamber at a low temperature (−20°C) and atroom temperature (23°C) as a reference. Testing was conducted in mode I(opening) and mixed-mode I/II (opening-sliding) mode mixities. Thefatigue tests results are presented according to the modifiedParis–Erdogan relation. Results showed substantial fracture toughnessreduction due to low temperature. Low temperature furthermore elevatedthe cyclic crack growth rate.