Influence of Process Parameters on Properties of Hemp Woven Reinforcements for Composite Applications: Mechanical Properties, Bias-extension Tests and Fabric Forming

Natural fibers are used to produce environmental-friendly composites with good specific mechanical and acoustical properties. Production of woven reinforcement from natural fibers is challenging because of the distinct length of the fibers. A lot of parameters at fiber extraction, spinning and weaving stages have an impact on the composite produced. The purpose of this paper is to study the influence of yarn type and weave diagram on the mechanical properties of woven fabrics, in terms of tensile and shear behavior and deformability at forming. It was observed that weft density is one of the most impacting parameters during forming.