Title: Mechanical, Thermal, and Morphological Properties' Comparison of 3D Printed Surface Treated Ragweed Fiber Reinforced Bio-Composites with Commercial Bamboo Fiber Reinforced Bio-Composite

Authors: Subash Panta, Yash Tate, Liam Omer, and Ken Mix

DOI: 10.33599/nasampe/s.22.0781

Abstract: Applications of natural fiber-based composites continue to grow in many industries as sustainability and recyclability of products gain popularity. Kenaf, Jute, Coir, and Flax based bio-composites have steadily gained traction as an alternative to synthetic based fiber composites. Giant ragweed (Ambrosia trifida), a common weed, has shown promise as another biological source of fiber for composite reinforcement. Unfortunately, the hydrophilic nature of ragweed is incompatible with most nonpolar polymers leading to weak interfacial adhesion between the fiber and matrix. However, treatment of ragweed fibers post-harvest can alleviate incompatibility, yielding a fiber matrix composite with competitive strength and stiffness. The increasing availability of sustainable composites is crucial as the world continues to distance itself from oil-based products. Therefore, this study will determine the mechanical benefits of using a silane treated ragweed fiber within a polylactic acid (PLA) polymer matrix. The novel composite will be compared to commercially available bio-composites reinforced with bamboo fibers. Mechanical testing will be performed under tensile, and flexural loading. In addition, composites will be examined using scanning electron microscopy (SEM) to determine matrix fiber adhesion and surface effects of silane treatment. Energy Dispersive X-ray Spectroscopy (EDAX) is used to determine the treatments density on the sample surface. The composites coefficient of thermal expansion will be compared using thermomechanical analysis (TMA).

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Conference: SAMPE 2022

Publication Date: 2022/05/23

SKU: TP22-0000000781

Pages: 18

Price: $36.00