Theoretical and Property Test of Light Weight Armour Composite from 2-Dimension (2D) Natural Fabrics/Polyester and Epoxy for Ballistic and Stabbing Protection
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Abstract
Theoretical and properties test of light weight armour composite from 2-Dimension (2D) natural fabrics. This research is the application of composite materials from natural fibers. Evolved into light weight armor composite from 2-Dimension (2D) natural fabrics for defense against missiles and stabbing. Fibers used in fabric forming are cotton, hemp and pineapple leaves. Forming single yarn by twisting method. Then study the orientation of the fibers (Yarns) on the impact strength of the projectiles. Compare the impact performance on the fibers (Yarns) in different orientations, and test the protection level of the armor according to the NIJ test standard. Composite molding from 2-Dimension (2D) Natural Fabrics. For developing bulletproof body armor and training targets. The first step is to prepare the polymer matrix Unsaturated polyester (SUNDHOMA SMF-7213-CN), Epoxy (EPICLON UE-3505P-2) and Epoxy (Epoxy 535A-7255B). Then form a composite sheet from 2-Dimension (2D) Natural Fabrics, 1-layer, 2-layers, and 4-layers using an open mold (300x300 mm2). The fabrics used consisted of fabrics formulas: 70%C (Cotton)-30%H (Hemp), 70%C (Cotton)-30%P (Pineapple), 89%C (Cotton)-11%P (Pineapple), 95%C (Cotton)-5%P (Pineapple) and 100%C (Cotton). For forming a single 4-layer composite sheet. Lastly, forming the test specimen by bringing put together a composite sheet for use as an impact plate in bulletproof body armor. In which the reinforced matrix (fabric) is arranged overlap in a unidirectional, Cross-ply and Angle-ply direction. Then studied for physical characteristics with scientific instruments using the Scanning Electron Microscopy technique, Test the strength of yarn and 2-Dimension (2D) Natural Fabrics with a Tensile test, And penetration resistance test according to the NIJ test standards, respectively. The results of the fabric strength test showed that natural fabrics 70%C (Cotton)-30%H (Hemp) and 70%C (Cotton)-30%P (Pineapple) had the highest tensile strength compared to 89%C (Cotton)-11%P (Pineapple), 95%C (Cotton)-5%P (Pineapple) และ 100%C (Cotton).
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