Mechanical analysis of woven composites at high strain rates and its application to predicting impact behavior

Ryou, Han Sun; Chung, Kwansoo; Lim, Ji Ho

doi:10.3365/met.mat.2008.12.679

Cited by 3 publications

(2 citation statements)

References 28 publications

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“…1c and 1d. The laminate specimens were formed of four layers with the dimensions of 10×10×0.88 mm 3 , and a ply thickness was about 0.22 mm. The fiber volume fraction was about of 33%.…”

Section: Laminate and Impactormentioning

confidence: 99%

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Effect of Weaving Type on Damage Behaviour of Carbon/Epoxy Laminate under Low Velocity Impact Loading

Maamar

Zenasni

2017

Period. Polytech. Mech. Eng.

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The main purpose of the present investigation was to determine the damages generated by the low velocity impact by mean of the finite element method. The commercial transient finite element package LS-dyna used to model the effect of slug impactor induced damage in composite material subjected to low velocity impact. Four types of weaving were considered; serge (2/2), serge (0/30/-30/0), serge (0/45-45/0) and taffeta. The Texgen package was used to build the laminate pattern weaves. The composite material was subjected to stainless steel slug impactor in the transverse direction dropping the composite laminate at the center with a velocity about of 15m/s. The analysis was carried out using the model 001-ELASTIC for matrix, 002-ORTHOTROPIC_ELASTIC for fibersand a rigid body model MAT20 for the slug impactor. The contact automatic single surface has been used between the yarns and the automatic_surface_to_surface between the matrix and the impactor and the contact automatic_surface_to_surface_tiebreak between the matrix and yarns and the contact automatic_surface_to_surface_tiebreak between layers.The impact load, energy, displacements were reported as function of impact time. The delamination area was represented at the layer interfaces for each material.

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“…1c and 1d. The laminate specimens were formed of four layers with the dimensions of 10×10×0.88 mm 3 , and a ply thickness was about 0.22 mm. The fiber volume fraction was about of 33%.…”

Section: Laminate and Impactormentioning

confidence: 99%

“…Kwansoo Chung et al [3] have studied the impact behaviour of woven composite subjected at high strain rates by mean of a constitutive equation to describe the nonlinear, anisotropic/ asymmetric. The results were compared with experiments, showing that the current constitutive equation including the characterization technique.…”

Section: Introductionmentioning

confidence: 99%

Effect of Weaving Type on Damage Behaviour of Carbon/Epoxy Laminate under Low Velocity Impact Loading

Maamar

Zenasni

2017

Period. Polytech. Mech. Eng.

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Computational modeling of blast induced whole-body injury: a review

Chanda

Callaway

2018

Journal of Medical Engineering & Technology

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Blast injuries affect millions of lives across the globe due to its traumatic after effects on the brain and the whole body. To date, military grade armour materials are designed to mitigate ballistic and shrapnel attacks but are less effective in resisting blast impacts. In order to improve blast absorption characteristics of armours, the first key step is thoroughly understands the effects of blasts on the human body itself. In the last decade, a plethora of experimental and computational work has been carried out to investigate the mechanics and pathophysiology of Traumatic Brain Injury (TBI). However, very few attempts have been made so far to study the effect of blasts on the various other parts of the body such as the sensory organs (eyes and ears), nervous system, thorax, extremities, internal organs (such as the lungs) and the skeletal system. While an experimental evaluation of blast effects on such physiological systems is difficult, developing finite element (FE) models could allow the recreation of realistic blast scenarios on full scale human models and simulate the effects. The current article reviews the state-of-the-art in computational research in blast induced whole-body injury modelling, which would not only help in identifying the areas in which further research is required, but would also be indispensable for understanding body location specific armour design criteria for improved blast injury mitigation.

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Tensile behavior of hybrid epoxy composite laminate containing carbon and basalt fibers

Subagia¹,

Kim²

2014

Science and Engineering of Composite Materials

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This paper investigated the effect of the incorporation of basalt fibers on the tensile properties of carbon fiber-reinforced epoxy laminates manufactured by vacuum-assisted resin transfer molding. The purpose of this research was to design a carbon-basalt/epoxy hybrid composite material that is of low cost in production, is lightweight, and has good strength and stiffness. The tensile strength and stiffness of the hybrid laminates demonstrated a steady, linear decrease with an increase in basalt fiber content, but the fracture strain gradually increased together with the increase in the basalt layer content. In this study, the incorporation of basalt fibers into the carbon fiber-reinforced polymer (CFRP) showed lower tensile strength than CFRP but has higher tensile strain. Furthermore, we found that the arrangement and enhancement of basalt fiber into the CFRP significantly influence the mechanical properties of interply hybrid composites.

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Mechanical analysis of woven composites at high strain rates and its application to predicting impact behavior

Cited by 3 publications

References 28 publications

Effect of Weaving Type on Damage Behaviour of Carbon/Epoxy Laminate under Low Velocity Impact Loading

Effect of Weaving Type on Damage Behaviour of Carbon/Epoxy Laminate under Low Velocity Impact Loading

Computational modeling of blast induced whole-body injury: a review

Tensile behavior of hybrid epoxy composite laminate containing carbon and basalt fibers

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