Analysis of the Ballistic Effectiveness of the Hybrid Composite of Polyurethane and Kevlar 29 with Different Grammages

被引:0
|
作者
Palomera, Daniel Francisco Leiva [1 ]
Abreu, Maria Elena Fernandez [1 ]
Rivera, Jose Luis Valin [1 ]
Fernandez, Meyli Valin [2 ]
de Amorim, Wanderley Ferreira [3 ]
Diaz, Francisco Rolando Valenzuela [4 ]
Molina, Diego Alejandro Alcaino [1 ]
Jofre, Pablo Esteban Mendez [1 ]
Ketterer, Cristobal Ignacio Galleguillos [1 ]
机构
[1] Pontificia Univ Catolica Valparaiso, Escuela Ingn Mecan, Valparaiso 2340025, Chile
[2] Univ Concepcion, Fac Engn FI, Dept Mech Engn DIM, Concepcion 4030000, Chile
[3] Univ Fed Campina Grande UFCG, Dept Engn Mecan, BR-58429900 Campina Grande, Paraiba, Brazil
[4] Univ Sao Paulo, Escola Politecn, Dept Engn Metalurg & Mat, BR-05508220 Sao Paulo, Brazil
关键词
composite material; Kevlar; ballistics; lamination; thermoset; 9 mm FMJ;
D O I
10.3390/polym17030372
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
In this study, the ballistic effectiveness of Kevlar 29 composites was analyzed by combining 400 and 460 GSM grammages with a polyurethane matrix. Plates measuring 300 mm x 250 mm were fabricated using hand lamination and compression techniques, with reinforcement designs consisting of 10, 14, and 18 layers of Kevlar 29 fabric oriented at a 90 degrees angle. Ballistic tests were conducted following the parameters of the NIJ 0108.01 standard, applying five impacts with 9 mm FMJ and 22 (5.5 mm) caliber bullets. Both the composites and pure Kevlar were evaluated. Post-damage visual analysis was conducted on the front and back faces, as well as the interior of the composite, to identify delamination and fractures. The results show that .22 caliber bullets were captured at various stacking levels depending on the configuration, whereas 9 mm bullets penetrated all the plates. Localized fractures and delamination associated with the impacts were observed, highlighting the importance of stacking design and grammage in the material's energy dissipation capacity.
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页数:18
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