Improvement in ballistic impact resistance of a transparent bulletproof material laminated with strengthened soda-lime silicate glass |
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| Affiliation: | 1. Defence Metalurgical Research Laboratory, Kanchanbagh, Hyderabad, 500 058, India;2. Jawaharlal Nehru Technological University, Hyderabad 500072, India;1. Institute of Mechanics and Materials, THM University of Applied Sciences, Wiesenstraße 14, Gießen 35390, Germany;2. Institute of Structural Mechanics and Design, Technische Universität Darmstadt, Franziska-Braun-Straße 3, Darmstadt 64287, Germany |
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| Abstract: | This study evaluates the ballistic impact resistance of soda-lime silicate glass strengthened by ion exchange for application in lightweight and thin bulletproof materials. The maximum flexural strength values of the strengthened glass with thicknesses of 3, 4, 8, and 10 mm were 0.63, 0.68, 0.73, and 0.77 GPa, respectively, values that were 3.5 times higher than that of the parent glass. By laminating polycarbonate and multilayer defense film with the strengthened glass, we achieved a ballistic limit velocity of 973.8 m/s, which was 16% higher than the standard. Also, the transmittance satisfied the standard for bulletproof windows. |
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| Keywords: | A Glasses B Mechanical properties B Optical properties/techniques E Autoclave |
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