Reusing recycled fibers in high-value fiber-reinforced polymer composites: Improving bending strength by surface cleaning

Shi, Jian; Bao, Limin; Kobayashi, Ryouhei; Kato, Jyoji; Kemmochi, Kiyoshi

doi:10.1016/j.compscitech.2012.05.003

Cited by 37 publications

(27 citation statements)

References 14 publications

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“…4 At the beginning, landfill and incineration were adopted to deal with thermosetting resin and their composites. 5,6 However, simple treatment of the scrap thermosetting resins and composites would cause a great waste of valuable materials. Current recycling strategies for UPR and its composites mainly includes mechanical, thermal and chemical methods.…”

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confidence: 99%

Chemical recycling of unsaturated polyester resin and its composites via selective cleavage of the ester bond

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confidence: 99%

Chemical recycling of unsaturated polyester resin and its composites via selective cleavage of the ester bond

et al. 2015

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“…R o of TR-CFRP is almost 80%, whereas that of R-CFRP is 50%. The effect of surface cleaning evaluated by CAI testing is almost the same as that evaluated by bending strength [17]. From the results of section "Morphology of Recycled CF Fabrics" and "Characteristic Impact Loads," impact resulted in fiber failure and a little delamination in the case of V-CFRP.…”

Section: Cai Strength and Failure Mechanisms During Cai Testsmentioning

confidence: 92%

“…Recycled plain woven fabric CFs were fixed by wire netting and soaked in solution to keep them in order. They were soaked in NMP (Kanto Chemical, Japan) for 3 days at 200 C. They were then cleaned by an ultrasonic washing machine for 1 h [17]. It could be understood as there are three parts of V-CFRPs.…”

Section: Specimensmentioning

confidence: 99%

Low-velocity impact response and compression after impact assessment of recycled carbon fiber-reinforced polymer composites for future applications

2013

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The influence of recycling on the impact damage resistance of recycled carbon fiber‐reinforced polymer (CFRP) composites was investigated using low‐velocity impact and compression after impact (CAI) tests. The relationships among load, force, and time were analyzed to gain insight into the damage characteristics of three types of composite laminate: virgin CF‐reinforced polymer (V‐CFRP), recycled CF‐reinforced polymer (R‐CFRP), and treated recycled CF‐reinforced polymer (TR‐CFRP). Special emphasis was placed on evaluating the extent of damage and the residual mechanical properties as affected by three different fiber surface states. Substantial differences were noted in the shape, area, and damage mode of impact using ultrasonic c‐scanning, photography, and scanning electron microscopy (SEM). V‐CFRP indicated significant improvement in impact damage resistance in the form of less damage, higher residual strength, and greater shear failure angle. Damage resistance was improved up to 80% of V‐CFRP by surface cleaning while R‐CFRP is 50% of V‐CFRP. Shear failure angle of 16° was attained from R‐CFRP and it was increased to 24° when the recycled fibers were cleaned. The result of SEM showed that there was less delamination of TR‐CFRP compared with R‐CFRP. This work proves that the low‐velocity impact response of recycled composites can rival that of virgin composites, while providing a basis for future applications of recycled carbon in many fields. POLYM. COMPOS., 35:1494–1506, 2014. © 2013 Society of Plastics Engineers

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“…However, if the adhesion of the laminate interface is weak, failure occurs by interfacial delamination due to shear stress. Since the laminated composite material is vulnerable to the interfacial strength, bending characteristics should be investigated [34][35][36][37][38].…”

Section: Introductionmentioning

confidence: 99%

Bending properties of carbon/glass and carbon/aramid fabric composites with various stacking structures by the VARTM method

Song

2016

Fibers Polym

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In this paper, the bending properties of woven carbon/glass and carbon/aramid fabric-reinforced polymer laminates is studied using a combination of experimental analysis and fracture observation. Six types of each hybrid composite were manufactured by lamination of the carbon/aramid fabric and carbon/glass fabric using VARTM. Bending behaviors were fundamentally evaluated for the six types of monolithic composites laminated by the same fabric. The objective was to achieve a good bending strength by effective combination of composite structures using limited amounts of a raw material. It was shown that the bending property was different, depending on the type of fiber, lamination structure, and the number of layers.

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Reusing recycled fibers in high-value fiber-reinforced polymer composites: Improving bending strength by surface cleaning

Cited by 37 publications

References 14 publications

Chemical recycling of unsaturated polyester resin and its composites via selective cleavage of the ester bond

Chemical recycling of unsaturated polyester resin and its composites via selective cleavage of the ester bond

Low-velocity impact response and compression after impact assessment of recycled carbon fiber-reinforced polymer composites for future applications

Bending properties of carbon/glass and carbon/aramid fabric composites with various stacking structures by the VARTM method

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