Journal ArticleDOI
Prediction of delamination growth in laminated composites using acoustic emission and Cohesive Zone Modeling techniques
TLDR
In this paper, an experimental investigation by mechanical and acoustic emission (AE) data and Cohesive Zone Modeling (CZM) technique are carried out to determine position of the crack tip during propagation of mode I delamination in the glass/epoxy composite specimens.About:
This article is published in Composite Structures.The article was published on 2015-06-01. It has received 58 citations till now. The article focuses on the topics: Delamination & Acoustic emission.read more
Citations
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Journal ArticleDOI
Damage characterization of laminated composites using acoustic emission: A review
TL;DR: A comprehensive review on the use of acoustic emission (AE) for damage characterization in laminated composites is presented in this paper, where the authors discuss the literature for damage diagnostics and damage type identification and damage localization.
Journal ArticleDOI
Application of different acoustic emission descriptors in damage assessment of fiber reinforced plastics: A comprehensive review
TL;DR: In this article, a review on the innovative methods of utilizing the acoustic emission (AE) parameters in characterizing Fiber Reinforced Plastics (FRPs) is presented, which is structured into different sections based on different AE descriptors used in characterising FRPs.
Journal ArticleDOI
About the thermomechanical behaviour of a carbon fibre reinforced high-temperature thermoplastic composite
TL;DR: In this article, the thermal properties and resistance of unidirectional carbon fiber reinforced thermoplastic polyimide composite and its properties were investigated. But the authors did not consider the effect of temperature on the properties of composite laminate.
Journal ArticleDOI
Effect of PVDF nanofibers on the fracture behavior of composite laminates for high-speed woodworking machines
M Fotouhi,M Fotouhi,H. Saghafi,H. Saghafi,Tommaso Maria Brugo,Giangiacomo Minak,Cristiano Fragassa,Andrea Zucchelli,Mehdi Ahmadi +8 more
TL;DR: The use of light composites when designing fast moving parts for machine tools is emerging as a very efficient solution for improving productivity as mentioned in this paper. Nevertheless, several aspects of these materials are undesirable.
Journal ArticleDOI
Clustering effect on damage mechanisms in open-hole laminated carbon/epoxy composite under constant tensile loading rate, using acoustic emission
TL;DR: In this article, damage mechanisms in the open-hole laminated carbon/epoxy composite have been investigated using the acoustic emission method, and the clustering effect was studied in order to know which damages (debonding, fiber pullout, delamination, matrix cracking and fiber breakage defects) occurred in the material.
References
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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.
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Some experimental investigations in the drilling of carbon fiber-reinforced plastic (CFRP) composite laminates
TL;DR: In this paper, a concept of delamination factor F d (i.e., the ratio of the maximum diameter D max in the damage zone to the hole diameter D ) is proposed to analyze and compare easily the delamination degree in the drilling of carbon fiber-reinforced plastic (CFRP) composite laminates.
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Cohesive zone length in numerical simulations of composite delamination
Paul W Harper,Stephen R. Hallett +1 more
TL;DR: In this article, the authors highlight the limitations of existing formulae used to predict numerical cohesive zone length and demonstrate modifications necessary for improved accuracy, and provide a minimum number of interface elements within the cohesive zone.
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On the influence of the shape of the interface law on the application of cohesive-zone models
TL;DR: In this article, the influence of the shape of the interface law on debonding problems via cohesive zone models is addressed, and four different laws have been considered whose shapes are bilinear, linear-parabolic, exponential and trapezoidal, respectively, with a view to having the same values of the initial stiffness, of the maximum traction and of the associated fracture energy.
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Use of acoustic emission to identify damage modes in glass fibre reinforced polyester
TL;DR: In this paper, the authors used acoustic emission signal parameters to identify and characterise the various damage mechanisms in stressed glass fiber reinforced polymer composite, and used data from acoustic emission as inputs in a Kohonen self-organising map which automatically separate the acoustic emission signals, enabling a correlation with the failure mode.