Influence of surface polymer coating on ballistic impact response of multi-layered fabric composites: Experimental and numerical study

Influence of surface polyurea coating on the ballistic performance of kevlar fabric

“…This substantial enhancement was approximately 40 times higher than the pull-out force of the untreated fabric. Previous studies [ [16] , [17] , [18] ] have corroborated these findings, highlighting the substantial improvement in fabric friction between yarn induced by the polyurea coating. The maximum pull-out force was found to occur when the yarn and polyurea coating were completely unglued, indicating that the strength of the interface between the yarn and polyurea played a pivotal role, regardless of the coating thickness.…”

“…Scholars have also investigated chemical modifications to boost friction between yarn fibers [ [13] , [14] , [15] ], yet these methods are costly and challenging to implement on a large scale. Consequently, the research interest has shifted towards evaluating the effects of thin polymer coatings on fabric ballistic properties, which are easier to prepare and more stable, has been widely studied in recent years [ [16] , [17] , [18] , [19] ]. Kim et al [ 16 ] have used a commercial spray coating on fibers and found that it formed polymeric anchors on the fibers, greatly improving interyarn friction and increasing energy absorption by 90% with a 15% increase in weight.…”

“…Kim et al [ 16 ] have used a commercial spray coating on fibers and found that it formed polymeric anchors on the fibers, greatly improving interyarn friction and increasing energy absorption by 90% with a 15% increase in weight. Ignatova et al [ 17 ] have found that a polyvinyl alcohol (PVA) coating on the surface of Kevlar fabric significantly increased friction between yarn fiber, significantly increased the ballistic limit, and reduced the back face signature. Weerasinghe et al [ 18 , 19 ] investigated the failure mechanism and energy absorption of rubber-coated Twaron fabrics under high-speed impact, uncovering enhanced ballistic limits and improved impact resistance.…”

Poly(vinyl alcohol)/graphene nanoplatelet nanocomposites: Elucidation of the nanofiller, dispersing agent, and interphase effects on thermomechanical properties

“…Poly(vinyl alcohol) (PVA) is a versatile polymer with excellent kinetic energy absorption capability 32 that makes it suitable for use as surface coating for many impact protection systems 33 . In this respect, PVA/GnP nanocomposites have been explored with respect to their potential impact resistance characteristics.…”

“…Poly(vinyl alcohol) (PVA) is a versatile polymer with excellent kinetic energy absorption capability 32 that makes it suitable for use as surface coating for many impact protection systems. 33 In this respect, PVA/GnP nanocomposites have been explored with respect to their potential impact resistance characteristics. For example, O'Masta et al 18 investigated the quasistatic tensile and high-strain-rate, dynamic responses of a PVA/MLG film (thickness: 10 μm; MLG loading: $35 vol.%) and compared it to those of neat PVA and aluminum films.…”