低围压下纤维增强复合材料的动力学性能研究

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中图分类号：TB332 文献标志码：A 文章编号：2095-2945（2025）26-0065-04

Abstract：FiberReinforcedPolymer（FRP）hastheadvantagesof light weight，highstrength，andstrongcorosionresistance， andiswidelyusedinthefieldofoceanenginering.Inthispaper，themoistureabsorptioncharacteristicsandlowspdimpact characteristicsofultra-highmolecularweightpolyethylenefiber/Eliumresin （UHMWPE/Elium，aPEFRP）afterdegradationunder presurewerestudied.Theresearchresultsshowthatunderaconfining presureofO.5MPa，thewaterabsorptionrateof PEFRP inseawaterishigherthanthatindeionizedwaterenvironment，indicating thationsinseawaterhaveasignificantimpactonthe moistureabsorptioncharacteristicsoflaminates.Inthedeionizedwaterenvironment，theimpactresistanceofPEFRPisbasicaly unchanged.However，inaseawater environment，theimpactresistanceof PEFRPdecreases toacertainextentintheearlystage of degradation.However，asthedegradation time further increases，theimpactresistanceremainsbasicallyunchanged.

Keywords：marineenvironment;thermoplasticresin；fiberreinforced composite;waterabsorption；low-speed impact

纤维增强复合材料（FRP）因其优异的强度、刚度及轻质特性而被广泛应用于航空航天、船舶和汽车等行业1。（剩余5418字）