Detection of voids in carbon/epoxy laminates and their influence on mechanical properties

L Di Landro, A Montalto, P Bettini… - Polymers and …, 2017 - journals.sagepub.com
Defects, such as voids and delaminations, may significantly reduce the mechanical
performance of components made of composite laminates. Distributed voids and porosity …

Progressive fatigue damage simulation method for composites

Y Nikishkov, A Makeev, G Seon - International Journal of Fatigue, 2013 - Elsevier
The main objective of this work is to show the ability of solid finite element-based techniques
to accurately predict the onset and progression of matrix cracks and delaminations in …

Structural analysis of composites with porosity defects based on X-ray computed tomography

Y Nikishkov, G Seon, A Makeev - Journal of Composite …, 2014 - journals.sagepub.com
Advanced structural analysis methods that account for manufacturing defects in composite
parts are needed to enable accurate assessment of their capability and useful life and to …

Finite element mesh generation for composites with ply waviness based on X-ray computed tomography

G Nikishkov, Y Nikishkov, A Makeev - Advances in Engineering Software, 2013 - Elsevier
A method for automated generation of finite element meshes for unidirectional composites
with waviness defects is proposed. Images used as input for mesh generation are recorded …

Safety and Accidents Involving Aircraft Manufactured from Polymer Composite Materials: A Review

G Di Giorgio - Aerotecnica Missili & Spazio, 2023 - Springer
The aviation accident investigation process includes the detailed examination of the aircraft
wreckage, as well as the analysis of both primary and secondary elements of the aircraft …

Assessing 3D shear stress–strain properties of composites using Digital Image Correlation and finite element analysis based optimization

G Seon, A Makeev, J Cline, B Shonkwiler - Composites science and …, 2015 - Elsevier
This work presents a method which uses the full-field measurement capability of Digital
Image Correlation (DIC) for a simultaneous assessment of non-linear shear stress-–strain …

Variable zoom technique for X-ray computed tomography

Y Nikishkov, D Kuksenko, A Makeev - NDT & E International, 2020 - Elsevier
X-ray Computed Tomography has proven its unprecedented objectivity for nondestructive
inspection of materials and structures. However, high-resolution nondestructive evaluation …

Analysis methods for improving confidence in material qualification for laminated composites

A Makeev, G Seon, Y Nikishkov… - Journal of the …, 2019 - ingentaconnect.com
Fiber-reinforced composite materials are increasingly used in rotorcraft structures to reduce
weight and improve efficiency. A major challenge, delaying the implementation of recently …

Mesh morphing methodology for strength predictions in composites

G Seon, Y Nikishkov, A Makeev, B Shonkwiler - Composite Structures, 2016 - Elsevier
This work presents a methodology based on mesh morphing techniques for transfer of high-
fidelity X-ray computed tomography (CT) data, including manufacturing defects information …

In quest of methods for measuring 3D mechanical properties of composites

A Makeev, G Seon, J Cline, B Shonkwiler - Composites science and …, 2014 - Elsevier
Accurate and efficient full three-dimensional characterization of mechanical properties of
composite materials, including stress–strain curves and strength characteristics, is essential …