Investigation On Mechanical Properties Of Reclaimed Nonwoven Carbon Fiber Composite For Secondary Application

Ahmad Fuzi, Hawa (2019) Investigation On Mechanical Properties Of Reclaimed Nonwoven Carbon Fiber Composite For Secondary Application. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

Reclaimed carbon fiber is crucial in reducing waste from the increasing use of composites reinforced with carbon fiber in industry. Compared to continuous virgin carbon fiber, reclaimed carbon fibers are usually short and discontinuous. In this project, the nonwovens mat produced and processed using wet-laid process adapted from the papermaking technique. After the reclaimed nonwoven carbon fiber laminates fabricated, the physical properties of the mats measured and observed. A reclaimed carbon fiber mat was processed to fabricate the reclaimed carbon fiber reinforced polymer composite using vacuum bagging that was attached with resin transfer molding (RTM). The control sample, virgin carbon fiber and reclaimed carbon fibers were performed flexural testing and impact testing. The micro graphs of the fracture· surfaces of the composite specimens submitted for fle.xural and impact testing were performed using scanning electron microscope (SEM). The results obtained from rCFRP for 2 plies and 3 plies of rCF mat shows that composite with higher rCF content has higher flexural strength and more impact force absorption. The nonwoven mat rCFRP with higher rCF content has a higher toughness of the fracture which mainly controls the number of plies mat. The morphological obtained from the failure mode showed debonding and pulling out mode

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