[en] This study investigates the ballistic performances of aramid composites reinforced with either graphene oxide (GO) or molybdenum disulfide (MoS2), two-dimensional (2D) nanomaterials known for their exceptional mechanical properties and large specific surface areas. Hierarchical composites were developed by incorporating these nanomaterials into the polymeric matrix and/or depositing them onto the Kevlar fiber surface, and their performance was compared to conventional Kevlar/PVB composites. Dynamic mechanical analysis revealed increased storage modulus and improved fiber/matrix interfacial adhesion, contributing to tensile toughness gains of up to 90.3% over the unmodified composite. Fractographic analysis confirmed strong interactions between Kevlar fibers and the nanomodified matrices. Ballistics tests conducted on level II-A body armor prototypes showed reduced back face signature and enhanced impact resistance, with higher specific absorbed energy and ballistic limit than the reference composite. These findings highlight the potential of nanomodified hierarchical composites for next-generation body armor applications.
Research center :
CIRMAP - Centre d'Innovation et de Recherche en Matériaux Polymères
Disciplines :
Materials science & engineering
Author, co-author :
Marciano de Oliveira Cremonezzi, Josué ; MackGraphe-Mackenzie Institute for Graphene and Nanotechnology, Rua da Consolação, 896, Consolação, São Paulo, SP 01302-907, Brazil ; School of Engineering, Mackenzie Presbyterian University, Rua da Consolação, 896, Consolação, São Paulo, SP 01302-907, Brazil ; Laboratory of Polymeric and Composite Materials, Center of Innovation and Research in Materials and Polymers (CIRMAP), University of Mons, Place du Parc 20, 7000 Mons, Belgium
Pinto, Gabriel Matheus; MackGraphe-Mackenzie Institute for Graphene and Nanotechnology, Rua da Consolação, 896, Consolação, São Paulo, SP 01302-907, Brazil ; School of Engineering, Mackenzie Presbyterian University, Rua da Consolação, 896, Consolação, São Paulo, SP 01302-907, Brazil
Nascimento Pereira, Natália; Inbrafiltro, Av. Papa João XXIII, 4947, Vila Noemia, Mauá, SP 09370-800, Brazil
Mincheva, Rosica ; Université de Mons - UMONS > Faculté des Sciences > Service des Matériaux Polymères et Composites
Andrade, Ricardo Jorge Espanhol; MackGraphe-Mackenzie Institute for Graphene and Nanotechnology, Rua da Consolação, 896, Consolação, São Paulo, SP 01302-907, Brazil ; School of Engineering, Mackenzie Presbyterian University, Rua da Consolação, 896, Consolação, São Paulo, SP 01302-907, Brazil
RAQUEZ, Jean-Marie ; Université de Mons - UMONS > Faculté des Sciences > Service des Matériaux Polymères et Composites
Fechine, Guilhermino José Macedo ; MackGraphe-Mackenzie Institute for Graphene and Nanotechnology, Rua da Consolação, 896, Consolação, São Paulo, SP 01302-907, Brazil ; School of Engineering, Mackenzie Presbyterian University, Rua da Consolação, 896, Consolação, São Paulo, SP 01302-907, Brazil
Language :
English
Title :
Improving the Performance of a Ballistic Protection Composite with Either Graphene Oxide or Molybdenum Disulfide.
R400 - Institut de Recherche en Science et Ingénierie des Matériaux
Funders :
Conselho Nacional de Desenvolvimento Cient?fico e Tecnol?gico Instituto de Ci?ncia e Tecnologia de Nanomateriais de Carbono Funda??o de Amparo ? Pesquisa do Estado de S?o Paulo Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior InbraFiltro Ind. e Com. de Filtros LTDA
Funding text :
This work was supported by the Brazilian National Council for Scientific and Technological Development (CNPq) [Processes 140241/2019-1, 314093/2021-4 and 305109/2022-7], Coordination of Superior Level Staff Improvement (CAPES), Brazil - Finance Code 001 [PrInt grant numbers 88887.583658/2020-00, and 88887.310339/2018\u201300], and The Sa\u0303o Paulo Research Foundation (FAPESP) [Processes 2020/11496-0 and 2021/07858-7]. The study was also supported by the National Institute of Science and Technology of Carbon Nanomaterials of CNPq (INCT-Nanocarbono). JMR is an FRS-FNRS Research Director and a WEL-T principal investigator. Special thanks to InbraFiltro Ind. e Com. de Filtros LTDA, who provided materials and infrastructure for the ballistics tests. The Article Processing Charge for the publication of this research was funded by the Coordenacao de Aperfeicoamento de Pessoal de Nivel Superior (CAPES), Brazil (ROR identifier: 00x0ma614).This work was supported by the Brazilian National Council for Scientific and Technological Development (CNPq) [Processes 140241/2019-1, 314093/2021-4 and 305109/2022-7], Coordination of Superior Level Staff Improvement (CAPES), Brazil - Finance Code 001 [PrInt grant numbers 88887.583658/2020-00, and 88887.310339/2018\u201300], and The Sa\u0303o Paulo Research Foundation (FAPESP) [Processes 2020/11496-0 and 2021/07858-7]. The study was also supported by the National Institute of Science and Technology of Carbon Nanomaterials of CNPq (INCT-Nanocarbono). JMR is an FRS-FNRS Research Director and a WEL-T principal investigator. Special thanks to InbraFiltro Ind. e Com. de Filtros LTDA, who provided materials and infrastructure for the ballistics tests.The Article Processing Charge for the publication of this research was funded by the Coordenacao de Aperfeicoamento de Pessoal de Nivel Superior (CAPES), Brazil (ROR identifier: 00x0ma614).
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