Abstract

Polyurethane's versatility is limited by its weak flexural strength. This study explores methods to address this limitation. Recycled carbon fiber powder (RCFP) was investigated as a reinforcing agent. The research found that incorporating recycled carbon fiber particles (RCFP), particularly finer particles (100 mesh), significantly enhanced flexural strength and modulus. This improvement is attributed to RCFP effectively filling voids in the polyurethane, increasing its density and resistance to bending loads. While a higher content strengthens the material, it can also lead to excessive stiffness and a decrease in flexural strength. Polyester fabric reinforcement (FR) emerged as another effective method, with five layers increasing flexural strength to 2.1 MPa. FR also introduces flexibility, potentially reducing the risk of catastrophic failure under impact or bending. Additionally, FR improves the composite's compressive, shear, and tensile strength. The study highlights the importance of optimizing both RCFP size and content to achieve the desired mechanical properties. Future research could explore the combined effects of RCFP and FR for even greater improvements. This research paves the way for the development of stronger and more sustainable polyurethane composites using recycled materials.

Keywords: Recycled Carbon Fiber Powder; Fabric Reinforcement; Flexural Properties; Polyurethane

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Citation

Ganjar Pramudi. “Effect of Recycle Carbon Fiber Powder (RCFP) and Fabric Reinforcement (FR) on The Flexural Properties of Polyurethane". Clareus Scientific Science and Engineering 1.1 (2024): 28-36.

Copyright

2024 Ganjar Pramudi. Licensee Clareus Scientific Publications. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license.