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Modeling of Damage in Composite Materials
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Modeling of Damage in Composite Materials

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Advanced Composites".

Deadline for manuscript submissions: closed (20 November 2022) | Viewed by 5849

Special Issue Editor

Prof. Dr. Stéphane Panier

E-Mail Website
Guest Editor
Laboratoire des Technologies Innovantes (LTI), Université de Picardie Jules Verne, 80000 Amiens, France
Interests: composite materials; damage modeling; tribology; additive manufacturing
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Fiber-reinforced polymer (FRP) composite materials have many applications in industry and have been extensively investigated thanks to aeronautical developments in the last few decades. Today, FRPs are gaining their place in those applications where a higher strength to weight ratio is one of the design constraints. Thus, it is of utmost importance to be able to predict the material response for composite structures under complex service loadings. Modeling of damage in FRP is still a complex task keeping in view the heterogeneous nature of composite materials in addition to the multiscale nature of damage development and progression. This complexity is further augmented when predicting the damage under the application of multiaxial loading. Classical such examples are damages in the wear and fretting phenomena occurring in the contact zones of composite materials with other materials. In contrast to the experimental works on the wear of FRPs, very few studies have reported on modeling the damage mechanisms encountered in the wear process.

This Special Issue will focus on recent progresses on damage modeling of multi-phases materials (including FRP but also metallic materials) concerning:

  • New numerical approaches;
  • New damage models or criteria;
  • Wear of composite materials;
  • Damage under multiaxial loading.

Prof. Stéphane Panier
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Materials is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • composite materials
  • damage
  • wear
  • modeling
  • multiaxial loading
  • computational methods

Published Papers (3 papers)

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Research

15 pages, 6089 KiB  
Article
Three-Dimensional Finite Element Modeling of Drilling-Induced Damage in S2/FM94 Glass-Fiber-Reinforced Polymers (GFRPs)
by Shahryar Manzoor, Israr Ud Din, Khaled Giasin, Uğur Köklü, Kamran A. Khan and Stéphane Panier
Materials 2022, 15(20), 7052; https://0-doi-org.brum.beds.ac.uk/10.3390/ma15207052 - 11 Oct 2022
Cited by 2 | Viewed by 1610
Abstract
Considering that the machining of composites particularly fiber-reinforced polymer composites (FRPCs) has remained a challenge associated with their heterogeneity and anisotropic nature, damage caused by drilling operations can be considerably mitigated by following optimum cutting parameters. In this work, we numerically evaluated the [...] Read more.
Considering that the machining of composites particularly fiber-reinforced polymer composites (FRPCs) has remained a challenge associated with their heterogeneity and anisotropic nature, damage caused by drilling operations can be considerably mitigated by following optimum cutting parameters. In this work, we numerically evaluated the effects of cutting parameters, such as feed rate and spindle speed, on the thrust force and torque during the drilling of glass-fiber-reinforced polymers (GFRPs). A meso-scale, also known as unidirectional ply-level-based finite element modeling, was employed assuming an individual homogenized lamina with transversely isotropic material principal directions. To initiate the meso-scale damage in each lamina, 3D formulations of Hashin’s failure theory were used for fiber damage and Puck’s failure theory was implemented for matrix damage onset via user subroutine VUMAT in ABAQUS. The developed model accounted for the complex kinematics taking place at the drill–workpiece interface and accurately predicted the thrust force and torque profiles as compared with the experimental results. The thrust forces for various drilling parameters were predicted with a maximum of 10% error as compared with the experimental results. It was found that a combination of lower feed rates and higher spindle speeds reduced the thrust force, which in turn minimized the drilling-induced damage, thus providing useful guidelines for drilling operations with higher-quality products. Finally, the effect of coefficient of friction was also investigated. Accordingly, a higher coefficient of friction between the workpiece and drill-bit reduced the thrust force. Full article
(This article belongs to the Special Issue Modeling of Damage in Composite Materials)
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22 pages, 8050 KiB  
Article
3D Finite Element Model on Drilling of CFRP with Numerical Optimization and Experimental Validation
by Patrick Hale and Eu-Gene Ng
Materials 2021, 14(5), 1161; https://0-doi-org.brum.beds.ac.uk/10.3390/ma14051161 - 02 Mar 2021
Cited by 6 | Viewed by 2160
Abstract
When drilling Carbon Fibre-Reinforced Plastic (CFRP) materials, achieving acceptable hole quality is challenging while balancing productivity and tool wear. Numerical models are important tools for the optimization of drilling CFRP materials in terms of material removal rate and hole quality. In this research, [...] Read more.
When drilling Carbon Fibre-Reinforced Plastic (CFRP) materials, achieving acceptable hole quality is challenging while balancing productivity and tool wear. Numerical models are important tools for the optimization of drilling CFRP materials in terms of material removal rate and hole quality. In this research, a macro-Finite Element (FE) model was developed to accurately predict the effect of drill tip geometry on hole entry and exit quality. The macro-mechanical material model was developed treating the Fiber-Reinforced Plastic (FRP) as an Equivalent Homogeneous Material (EHM). To reduce computational time, a numerical analysis was performed to investigate the influence of mass scaling, bulk viscosity, friction, strain rate strengthening, and cohesive surface modelling. A consideration must be made to minimize the dynamic effects in the FE prediction. The experimental work was carried out to investigate the effect of drill tip geometry on drilling forces and hole quality and to validate the FE results. The geometry of the drills used were either double-point angle or a “candle-stick” profile. The 3D drilling model accurately predicts the thrust force and hole quality generated by the two different drills. The results highlight the improvement in predicted results with the inclusion of cohesive surface modelling. The force signature profiles between the simulated and experimental results were similar. Furthermore, the difference between the predicted thrust force and those measured were less than 9%. When drilling with a double-angle drill tip, the inter-ply damage was reduced. This trend was observed in FE prediction. Full article
(This article belongs to the Special Issue Modeling of Damage in Composite Materials)
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20 pages, 9272 KiB  
Article
Effect of the 3rd Dimension within the Representative Volume Element (RVE) on Damage Initiation and Propagation during Full-Phase Numerical Simulations of Single and Multi-Phase Steels
by Faisal Qayyum, Muhammad Umar, Sergey Guk, Matthias Schmidtchen, Rudolf Kawalla and Ulrich Prahl
Materials 2021, 14(1), 42; https://0-doi-org.brum.beds.ac.uk/10.3390/ma14010042 - 24 Dec 2020
Cited by 21 | Viewed by 2407
Abstract
In this research, the effect of 2D and 3D Representative Volume Element (RVE) on the ductile damage behavior in single-phase (only ferrite) and dual-phase (ferrite and martensite) steels is analyzed. Physical and fitting parameters of the constitutive model for bcc-ferrite and bcc-martensite phases [...] Read more.
In this research, the effect of 2D and 3D Representative Volume Element (RVE) on the ductile damage behavior in single-phase (only ferrite) and dual-phase (ferrite and martensite) steels is analyzed. Physical and fitting parameters of the constitutive model for bcc-ferrite and bcc-martensite phases are adapted from the already published work. Crystal plasticity (CP) based numerical simulations without damage consideration are run and, later, ductile damage criteria for the ferrite phase is defined for all cases. The results of the non-damage (-nD-) and damage (-D-) simulations are compared to analyze the global and local differences of evolving stresses and strains. It is observed that for the same model parameters defined in all cases, damage initiation occurs at the overall higher global strain in the case of 3D compared to 2D. Based on statistical data analysis, a systematic comparison of local results is carried out to conclude that the 3D RVEs provide better quantitative and qualitative results and should be considered for such full phase simulations. Whereas 2D RVEs are simple to analyze and provide appropriate qualitative information about the damage initiation sites. Full article
(This article belongs to the Special Issue Modeling of Damage in Composite Materials)
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