Journal ArticleDOI
Rate dependent behavior of crash-optimized adhesives – Experimental characterization, model development, and simulation
Michael May,Olaf Hesebeck,Stephan Marzi,Wolfgang Böhme,Jörg Lienhard,Sebastian Kilchert,Markus Brede,Stefan Hiermaier +7 more
TLDR
In this article, the authors developed a fully rate-dependent constitutive law for cohesive interface elements considering both, the strain rate dependency of the initiation stress and the strain ratio dependency of fracture toughness.About:
This article is published in Engineering Fracture Mechanics.The article was published on 2015-01-01. It has received 79 citations till now. The article focuses on the topics: Fracture toughness.read more
Citations
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Journal ArticleDOI
Measuring the rate-dependent mode I fracture toughness of composites – A review
TL;DR: In this paper, the authors compared different approaches to measure the mode I fracture toughness of composites under high rates of loading and provided recommendations for measuring the fracture toughness under high-rate loading.
Journal ArticleDOI
Improvement in impact strength of composite joints for the automotive industry
TL;DR: In this article, the use of composite structures in the automotive industry aims to produce vehicles able to meet both fuel economy and safety standards, and the authors focused on the improvement of static and impact strength of composite adhesive joints, avoiding early delamination of the composite.
Journal ArticleDOI
Numerical evaluation of cohesive zone models for modeling impact induced delamination in composite materials
TL;DR: In this paper, the authors compared four cohesive zone models for modeling delamination caused by impact on composite materials and found that the use of strain-rate dependent material models significantly influences the numerical result.
Journal ArticleDOI
Influence of low and high temperature on mixed adhesive joints under quasi-static and impact conditions
TL;DR: In this paper, the effect of temperature on the behavior of composite joints was assessed in quasi-static and impact conditions allowing to infer the effect on each adhesive, and a validated combination of mixed adhesives in a composite joint, tested under quasistatic, impact and temperature conditions, was found to improve the performance under both conditions.
Journal ArticleDOI
Evaluation of grit-blasting as a pre-treatment for carbon-fibre thermoplastic composite to aluminium bonded joints tested at static and dynamic loading rates
Karthik Ramaswamy,Ronan M. O'Higgins,Ajay Kumar Kadiyala,Michael A. McCarthy,Conor T. McCarthy +4 more
TL;DR: In this article, an alumina grit-blasting technique was investigated as a surface preparation technique for thermoplastic-matrix composites to be bonded to aluminium alloys.
References
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Journal ArticleDOI
A finite element calculation of stress intensity factors by a modified crack closure integral
E.F. Rybicki,M. F. Kanninen +1 more
TL;DR: In this article, an efficient technique for evaluating stress intensity factors is presented, based on the crack closure integral, which can be used with a constant strain finite element stress analysis and a coarse grid.
Journal ArticleDOI
Measurement of mixed-mode delamination fracture toughness of unidirectional glass/epoxy composites with mixed-mode bending apparatus
Malk Benzeggagh,M. Kenane +1 more
TL;DR: In this paper, the authors evaluated the initiation of cracking and delamination growth in a unidirectional glass/epoxy composite under mode I, mode ZZ, and mixed mode I + II static loading.
Journal ArticleDOI
An engineering solution for mesh size effects in the simulation of delamination using cohesive zone models
TL;DR: In this paper, a methodology to determine the constitutive parameters for the simulation of progressive delamination is proposed, which accounts for the size of a cohesive finite element and the length of the cohesive zone to ensure the correct dissipation of energy.
Journal ArticleDOI
Numerical simulation of mixed-mode progressive delamination in composite materials
TL;DR: In this paper, a new decohesion element with the capability of dealing with crack propagation under mixed-mode loading is proposed and demonstrated, which is used at the interface between solid finite elements to model the initiation and non-self-similar growth of delaminations in composite materials.
Mixed-Mode Decohesion Finite Elements for the Simulation of Delamination in Composite Materials
TL;DR: In this article, a decohesion element with mixed-mode capability is proposed and demonstrated at the interface between solid finite elements to model the initiation and non-self-similar growth of delaminations.
Related Papers (5)
Measurement of mixed-mode delamination fracture toughness of unidirectional glass/epoxy composites with mixed-mode bending apparatus
Malk Benzeggagh,M. Kenane +1 more