期刊
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
卷 175, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.compositesa.2023.107749
关键词
Carbon fibres; Recycling; Mechanical analysis; Life Cycle Assessment
The research investigates the effects of fibre architecture preservation during the recycling of carbon fibres on the mechanical and environmental performances of rCFRP for use in a vehicle roof panel. The results show that rCFRPs with preserved unidirectional and woven fibre architectures have significantly higher flexural properties compared to those with unpreserved fibre architecture. Moreover, when used in gasoline vehicle and battery electric vehicle, a hypothetical rCFRP roof panel with preserved plain woven rCF reduces the life cycle greenhouse gas emissions by 11% and 23% respectively, compared to the current rCFRP.
Recycled carbon fibre reinforced polymer (rCFRP) is attracting interest for automotive applications but has reduced mechanical properties due to a loss of intact fibre architecture. This study investigates the effects of fibre architecture preservation during recycling of carbon fibres on the mechanical and life cycle environmental performances of rCFRP applied to a vehicle roof panel. Results show that rCFRPs with preserved unidirectional and woven fibre architectures have average flexural properties at least 4 times higher than those of current rCFRP with unpreserved fibre architecture. A hypothetical rCFRP roof panel with preserved plain woven rCF reduces the life cycle greenhouse gas emissions by 11% and 23% compared to the current rCFRP, respectively, when used in gasoline vehicle and battery electric vehicle. This paper demonstrates that the recycling approach with fibre architecture preservation offers great opportunities to improve the mechanical and environmental performances of rCFRP for use in the automotive industry.
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