Ballistic protection equipment, such as a bulletproof vest, is a soldier’s most important means of preserving life and survivability in extreme combat conditions. The bulletproof vests are designed to protect the user’s chest from injury without disturbing the ability to perform his duties. Aromatic polyamide or aramid fibers known under the trade name Kevlar, Trawon and so is synthetic fiber materials commonly used in the manufacture of bulletproof vests. This synthetic fibers have high tensile strength and ductility. Kevlar is expensive and imported material. In this study, will introduce local natural raw materials, ramie fiber (Boehmeria nivea) which is cheaper and environmentally friendly. It has enough tenacity and tensile strength as a bulletproof vest. This experiment uses two panels, there are Panel A as front surface of Panel B. Panel A is a combination of ramie and epoxide matrix, while panel B is only ramie. From several variations of experimental combinations between Panel A and Panel B, optimal combination obtained with 16 layers of panel A and 31-34 layers of panel B which is able to protect againts cal. 7.65 mm × 17 mm (.32 ACP) bullet fired through pistol .32 Pindad from a distance of 20 meters. Panel with a size of 20 cm × 20 cm has a total thickness between 12,922 to13,745 mm and a total weight between 506,26 to 520,926gram. Scanning electron microscopy (SEM) observations indicated that the porosity and surface area of the ramie fiber is smooth, fiber surfaces showed topography with micropores. SEM also showed well-arranged structure of fibers bonding. Energy Dispersive X-ray (EDX) analysis indicated 100 % carbon contents in ramie fiber. Test result indicates that panel from composite ramie-epoxide can reach the level 1of International Standard of NIJ - 010104. Compared to panel from polyester fiber, the panel from composite ramie-epoxide (0,50-0,52 kg) is lighter weight than panel polyester fiber (1,642 kg).
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29 December 2015
INTERNATIONAL CONFERENCE OF CHEMICAL AND MATERIAL ENGINEERING (ICCME) 2015: Green Technology for Sustainable Chemical Products and Processes
29–30 September 2015
Semarang, Indonesia
Research Article|
December 29 2015
Combination of natural fiber Boehmeria nivea (ramie) with matrix epoxide for bullet proof vest body armor
Didi Dwi Anggoro;
Didi Dwi Anggoro
a)
1(Master of Chemical Engineering, Faculty of Engineering,
Diponegoro University
Jln. Prof. Sudharto, Tembalang, Semarang, 50239, Indonesia
Telp/Fax: (024)7460058)
Search for other works by this author on:
Nunung Kristiana
Nunung Kristiana
b)
2(Master of Chemical Engineering, Faculty of Engineering,
Diponegoro University
Jln. Prof. Sudharto, Tembalang, Semarang, 50239, Indonesia
Telp/Fax: (024)7460058)
Search for other works by this author on:
a)
E-mail : anggorophd@gmail.com
b)
E-mail : nuna.c631@gmail.com
AIP Conf. Proc. 1699, 040002 (2015)
Citation
Didi Dwi Anggoro, Nunung Kristiana; Combination of natural fiber Boehmeria nivea (ramie) with matrix epoxide for bullet proof vest body armor. AIP Conf. Proc. 29 December 2015; 1699 (1): 040002. https://doi.org/10.1063/1.4938317
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