Results 1 to 10 of about 75,589 (197)
Anti-Ballistic Performance of PPTA/UHMWPE Laminates. [PDF]
Polymers (Basel), 2023 Poly(p-phenylene terephthalamide) (PPTA) and ultra-high-molecular-weight polyethylene (UHMWPE) are high-performance polymer materials largely used for body armor applications. Although composite structures from a combination of PPTA and UHMWPE have been created and described in the literature, the manufacture of layered composites from PPTA fabrics and
Zhu L, Gao W, Dikin DA, Percec S, Ren F.
europepmc +3 more sources
Influence of Fumed Nanosilica on Ballistic Performance of UHPCs. [PDF]
Materials (Basel), 2023 This research delves into the potential use of fumed nanosilica in ultra-high performance concrete for ballistic protection. First, the mechanical properties, slump flow, and specific gravity of UHPC with different contents of Aerosil 200 were determined. Then, calorimetric studies were conducted on these cement composites.
Markusík D +4 more
europepmc +4 more sources
Acute Effects of Ballistic and Non-ballistic Bench Press on Plyometric Push-up Performance [PDF]
Sports, 2019 The purpose of this study was to examine the effects of a ballistic or non-ballistic concentric-only bench press (COBP) on subsequent plyometric push-up performance.
David Bodden +5 more
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Influence of surface polyurea coating on the ballistic performance of kevlar fabric [PDF]
HeliyonWith the increasing lethality of modern weapons, the development of body armor has become increasingly important. The main objective of current research is to make protective gear lighter and increase material ballistic performance.
Xing Li +3 more
doaj +2 more sources
The ballistic performance of bone when impacted by fragments. [PDF]
Int J Legal Med, 2020 AbstractPhysical models are required to generate the underlying algorithms that populate computer simulations of the effects of explosive fragmenting devices. These models and simulations are used for understanding weapon performance, designing buildings and optimising personal protective equipment.
Caister AJ +4 more
europepmc +6 more sources
A comparison of three post-activation potentiation enhancement warm up strategies on bench press performance [PDF]
Frontiers in Sports and Active LivingBackgroundAt loads greater than 80% of one repetition maximum in bench press, at the ascending phase of the movement, the barbell decelerates or stops for a short time before it accelerates again during a region named sticking region.
Yousef Hedayati, Roland van den Tillaar
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Research on Grain Burnback and Internal Ballistic Performance of Solid Rocket Motor under High Overload Conditions Based on Minimum Distance Function [PDF]
Hangkong bingqi, 2022 The accurate calculation of the burning surface during the grain burnback is the basis for the ballistic performance calculation of solid rocket motor. The overload conditions of the motor can significantly affect the burning surface area, grain burnback
Lin Lin, Shang Yongteng, Li Chongchong, Bai Tao, Guo Mengfei
doaj +1 more source
Journal of Materials Research and Technology, 2021 The effects of adhesive layer on the multi-hit ballistic performance of ceramic/metal composite armors are studied by the experimental and numerical methods.
Yonghua Shen +5 more
doaj +1 more source
Applied Sciences, 2021 Laminated ceramics with weak interface layers have been proven to be effective in toughening ceramics. The energy absorption ability of laminated ceramics may also benefit their ballistic performance.
Yuzhe Hong +9 more
doaj +1 more source
Journal of Industrial Textiles, 2022 Modern ballistic helmets made from textile composites offer enhanced protection with lightweight, but the discontinuity of the reinforcing materials is a potential problem affecting the helmet performance.
Mengqi Yang, Xiaogang Chen
doaj +1 more source