Results 31 to 40 of about 3,692 (238)

Effect of stress triaxiality cut-off value in the fracture criterion on predicting the ballistic behavior of Al2024-T351 plate impacted by blunt- hemisphere- and ogival-nosed projectiles

open access: yesJournal of Materials Research and Technology, 2023
Finite element analysis has been carried out to study the effect of stress triaxiality cut-off value in the fracture criterion on the ballistic behavior of 9.94 mm thick Al2024-T351 plates impacted by rigid blunt-, hemisphere- and ogival-nosed ...
Zhao Zhang, Yanqing Wu, Fenglei Huang
doaj   +1 more source

Glass fabric reinforced polybenzoxazine composites filled with nanosilica: A High impact response poises use as strike panels in multilayered armor applications

open access: yesJournal of Materials Research and Technology, 2020
Glass fabric reinforced polybenzoxazine-based composites filled with nanosilica (nano-SiO2) particles were used to create strike panels for multilayered armor applications.
Phattarin Mora   +4 more
doaj   +1 more source

A Numerical Modelling Framework for Investigating the Ballistic Performance of Bio-Inspired Body Armours

open access: yesBiomimetics, 2023
Biological structures possess excellent damage tolerance, which makes them attractive for ballistic protection applications. This paper develops a finite element modelling framework to investigate the performance of several biological structures that are
Abdallah Ghazlan   +4 more
doaj   +1 more source

Analytical and FEM Analyses of High-Speed Impact Behaviour of Al 2024 Alloy

open access: yesAerospace, 2021
The present work investigates the impact behaviour of Al 2024-T3 alloy using FEM analysis performed through LS DYNA software. Johnson–Cookvisco-plastic model is used to study the ballistic impact resistance of target Al alloy impacted by a rigid steel ...
Navya Gara   +2 more
doaj   +1 more source

Experiments and simulations of empty and sand-filled aluminum alloy panels subjected to ballistic impact [PDF]

open access: yes, 2017
In this study, we use a discrete particle method in combination with finite element analysis to describe the interaction between structures and granular media during ballistic impact.
Børvik, Tore   +2 more
core   +2 more sources

Ultrahigh Ballistic Resistance of Twisted Bilayer Graphene

open access: yesCrystals, 2021
Graphene is a good candidate for protective material owing to its extremely high stiffness and high strength-to-weight ratio. However, the impact performance of twisted bilayer graphene is still obscure.
Qing Peng, Sheng Peng, Qiang Cao
doaj   +1 more source

Multi-layer insulation material models suitable for hypervelocity impact simulations

open access: yes, 2022
S.1853-1860MLI (multi-layer insulation) is present in many spacecraft missions and typically consists of multiple layers of aluminized Kapton separated by fine gauze. It has been observed, depending on the type and position within the structure, that MLI
Nahme, H.   +3 more
core   +1 more source

Characterization of the ballistic limit curve for metallic Whipple shield

open access: yesEPJ Web of Conferences, 2012
It has been known that space debris or meteoroid impact damage can have significant effects on spacecraft. Experimental test has been conducted up to 7 km/s, and numerical simulations are performed at higher velocities.
Lee M.
doaj   +1 more source

Simulation and Experimental Tests of Ballistic Impact on Composite Laminate Armor [PDF]

open access: yesAdvances in Materials Science and Engineering, 2018
This paper presents the experimental testing and simulation results of ballistic impact tests on laminated armor samples that consist of three layers of different materials: fiber‐cement, Kevlar fabric, and steel. In experimental tests, a 9 mm FMJ bullet was launched towards a 100 cm2 sample of the armor from the fiber‐cement side.
Ali Murat Soydan   +4 more
openaire   +2 more sources

Experimental and Numerical Analysis of Conical Projectile Impact on Inconel 718 Plates

open access: yesMetals, 2019
This paper analyses the impact behavior of Inconel 718 through experimental and numerical approach. Different conical projectiles were tested in order to obtain the ballistic curves and failure mechanisms.
Marcos Rodríguez-Millán   +4 more
doaj   +1 more source

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