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Role of pre-stressing on anti-penetration properties for Kevlar/Epoxy composite plates

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Main Authors: Ahmed Ali Farhan, Ogaili, Ehsan Sabah, Al-Ameen, Muhanad Nazar Mustafa, Al-Sabbagh, Ali Kurji, Hassan
Other Authors: ahmed_ogaili@uomustansiriyah.edu.iq
Format: Article
Language:English
Published: Universiti Malaysia Perlis (UniMAP) 2022
Subjects:
Composite materials
Ballistic test
Bulletproof vests
Kevlar
Epoxy
Online Access:http://dspace.unimap.edu.my:80/xmlui/handle/123456789/77146
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spelling my.unimap-771462022-11-23T03:44:32Z Role of pre-stressing on anti-penetration properties for Kevlar/Epoxy composite plates Ahmed Ali Farhan, Ogaili Ehsan Sabah, Al-Ameen Muhanad Nazar Mustafa, Al-Sabbagh Ahmed Ali Farhan, Ogaili Ali Kurji, Hassan ahmed_ogaili@uomustansiriyah.edu.iq Department of Mechanical Eng., College of Engineering, Mustansiriyah University Ministry of OIL, Iraq Composite materials Ballistic test Bulletproof vests Kevlar Epoxy Link to publisher's homepage at http://ijneam.unimap.edu.my/ Bulletproof vest capability improvement is considered an important issue, especially for vests made from composite materials. Composite materials consisting of Kevlar 29/Epoxy at different volume fractions of 30, 40, and 60% were made to produce the test samples used in this work. These samples consisted of two plates; the plates were gathered within a frame, making a gap of 10 mm between them. Two sets of test samples were used. The first set consisted of two plates in their normal state (set A). In contrast, the second set (set B) was exposed to bending load generating pre-bending stress in the plates before the ballistic test. A 9 mm handgun was used to shoot the bullets. Chronographs were used to detect the projectiles' speed before and after hitting the samples. The samples were labeled according to the fiber volume fraction (A30 , A40 , A60 , B30 , B40 , and B60). Each sample was exposed to three successive shots. The results showed that B30 decreases the final velocity of the projectile by 45% compared to set A30 when the plates were loaded with 120 MPa stress. Increasing the stress value in sample B30 from 50 MPa to 120 MPa causes an increase in the sample's absorbed energy value of about 47%, 22%, and 1% for first, second, and third shots, respectively. A similar pattern of results has been obtained for other volume fractions. 2022 2022-11-23T03:44:32Z 2022-11-23T03:44:32Z 2022-10 Article International Journal of Nanoelectronics and Materials, vol.15 (4), 2022, pages 293-302 1985-5761 (Printed) 1997-4434 (Online) http://dspace.unimap.edu.my:80/xmlui/handle/123456789/77146 http://ijneam.unimap.edu.my en Universiti Malaysia Perlis (UniMAP)
institution Universiti Malaysia Perlis
building UniMAP Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Perlis
content_source UniMAP Library Digital Repository
url_provider http://dspace.unimap.edu.my/
language English
topic Composite materials
Ballistic test
Bulletproof vests
Kevlar
Epoxy
spellingShingle Composite materials
Ballistic test
Bulletproof vests
Kevlar
Epoxy
Ahmed Ali Farhan, Ogaili
Ehsan Sabah, Al-Ameen
Muhanad Nazar Mustafa, Al-Sabbagh
Ahmed Ali Farhan, Ogaili
Ali Kurji, Hassan
Role of pre-stressing on anti-penetration properties for Kevlar/Epoxy composite plates
description Link to publisher's homepage at http://ijneam.unimap.edu.my/
author2 ahmed_ogaili@uomustansiriyah.edu.iq
author_facet ahmed_ogaili@uomustansiriyah.edu.iq
Ahmed Ali Farhan, Ogaili
Ehsan Sabah, Al-Ameen
Muhanad Nazar Mustafa, Al-Sabbagh
Ahmed Ali Farhan, Ogaili
Ali Kurji, Hassan
format Article
author Ahmed Ali Farhan, Ogaili
Ehsan Sabah, Al-Ameen
Muhanad Nazar Mustafa, Al-Sabbagh
Ahmed Ali Farhan, Ogaili
Ali Kurji, Hassan
author_sort Ahmed Ali Farhan, Ogaili
title Role of pre-stressing on anti-penetration properties for Kevlar/Epoxy composite plates
title_short Role of pre-stressing on anti-penetration properties for Kevlar/Epoxy composite plates
title_full Role of pre-stressing on anti-penetration properties for Kevlar/Epoxy composite plates
title_fullStr Role of pre-stressing on anti-penetration properties for Kevlar/Epoxy composite plates
title_full_unstemmed Role of pre-stressing on anti-penetration properties for Kevlar/Epoxy composite plates
title_sort role of pre-stressing on anti-penetration properties for kevlar/epoxy composite plates
publisher Universiti Malaysia Perlis (UniMAP)
publishDate 2022
url http://dspace.unimap.edu.my:80/xmlui/handle/123456789/77146
_version_ 1753972988313600000
score 13.214268

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