Modelling on stress redistribution around broken fibers for fiber reinforced plastic with poor fiber distribution uniformity
Source abstract
Abstract
Abstract In order to calculate stress redistribution after a fiber breaking for unidirectional fiber reinforced plastic (FRP) with practically poor fiber distribution uniformity, a new and efficient FE model is developed with high computation efficiency. Based on the proposed FE model, the stress concentration factor (SCF) of intact fibers around a broken fiber is investigated for unidirectional FRP. It is observed that the SCF depends heavily on the local fiber volume ratio (FVR), and a modified analytical SCF model is proposed which takes into account the variation of local FVR. It is proved that the modified analytical SCF model can provide SCF values with much better accuracy for FRP with poor fiber distribution uniformity. The modified analytical SCF model would be very useful for accurate prediction of progressive fiber breaking in FRP.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Mechanical Behavior of Composites · Composite Material Mechanics · Innovative concrete reinforcement materials
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Laboratory of Science and Technology on Integrated Logistics Support, College of Intelligence Science and Technology National University of Defense Technology Changsha People's Republic of China
Key Laboratory of Thermal Management and Energy Utilization, Ministry of Industry and Information Technology, College of Energy and Power Engineering Nanjing University of Aeronautics and Astronautics Nanjing People's Republic of China
Funding
National Natural Science Foundation of China
References (52)
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