HYBRIDIZATION OF BAST NATURAL FIBERS AND SYNTHETIC FIBERS IN THERMOPLASTIC COMPOSITES A Thesis Submitted to the Graduate Faculty of the North Dakota State University of Agriculture and Applied Science By Niyati Chetankumar Shah In Partial Fulfillment of the Requirements for the Degree of MASTER OF SCIENCE Major Program: Mechanical Engineering January 2019 Fargo, North Dakota
HYBRIDIZATION OF BAST NATURAL FIBERS AND SYNTHETIC FIBERS IN THERMOPLASTIC COMPOSITES
May 27, 2023
In recent years, the use of natural fiber-reinforced composites in more advanced
applications has grown substantially. Applications of high strength require high mechanical
properties. An effective method for increasing the field of application and mechanical properties
is the hybridization of natural fibers with synthetic fibers. In this research, the effects of recycled
carbon fiber hybridizing flax (Linum ussitatissimum L.) and hemp (Cannabis sativa L.) fibers were
investigated to identify trends in mechanical properties resulting from varied weight fractions.
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A new high-performance composite was demonstrated for injection molding applications by hybridizing bast natural fibers and recycled carbon fibers in a polyolefin thermoplastic. After reinforcing recycled carbon fiber with flax and hemp fibers, this study showed a 10-15% increase in tensile strength. After reinforcing recycled carbon fiber with hemp fiber, a 30-35% increase in
flexure strength was observed. Impact strength for hemp fiber also increased by 60% compared to recycled carbon fiber.
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