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Compressive Behavior of Materials and Structures
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Compressive Behavior of Materials and Structures

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

Deadline for manuscript submissions: closed (20 June 2023) | Viewed by 10692

Special Issue Editors

Dr. Sylwester Samborski

E-Mail Website
Guest Editor
Associate Professor, Faculty of Mechanical Engineering, Lublin University of Technology, 36 Nadbystrzycka St., 20-618 Lublin, Poland
Interests: mechanics of materials; damage identification; fracture; delamination; acoustic emission; finite element method, machine technology
Special Issues, Collections and Topics in MDPI journals
Dr. Patryk Rozylo

E-Mail Website
Guest Editor
Faculty of Mechanical Engineering, Lublin University of Technology, Nadbystrzycka 36, 20-618 Lublin, Poland
Interests: buckling; post-buckling; failure; laminates; finite element method; numerical simulations; computational mechanics; thin-walled structures
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

This Special Issue of the scientific journal Materials entitled “Compressive Behavior of Materials and Structures” is intended to gather the latest findings and trends in research on materials and structures under compression, in terms of analytical, numerical and experimental approaches. Scientists and practitioners working in the field of material and structure mechanics are invited to publish their valuable papers on composites and other commonly used engineering materials. The scope of the Special Issue covers analyses of phenomena taking place in materials and structures subjected to compressive loads, such as buckling, damage and fracture, or any peculiar behavior. Among others, laminate composites made of different (hybrid) plies or manifesting layup-dependent elastic couplings, as well as thin-walled structures exhibiting damage-induced gradual degradation of their load-carrying capacity in the post-buckling regime, are of special interest. In any analysis, damage initiation and propagation are crucial when studying the behavior of materials and structures. Thus, it is necessary to conduct advanced research in order to provide a reliable assessment of the above-mentioned phenomena.

Dr. Sylwester Samborski
Dr. Patryk Rozylo
Guest Editors

Manuscript Submission Information

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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

  • compression
  • composite
  • damage
  • fracture
  • buckling
  • delamination
  • failure
  • thin-walled structure
  • finite element method
  • experimental testing

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Published Papers (6 papers)

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Research

17 pages, 12117 KiB  
Article
The Influence of Layer Stacking Method on the Mechanical Properties of Honeycomb Skeleton
by Yafei Zhang, Yuqing Zhai, Shiwei Min and Yihua Dou
Materials 2023, 16(14), 4933; https://doi.org/10.3390/ma16144933 - 10 Jul 2023
Viewed by 1293
Abstract
The performance of a multi-layer honeycomb skeleton can be significantly enhanced through tandem connection, while the structure’s properties can be tailored by altering the layer stacking method of the honeycomb skeleton. To investigate the impact of layer stacking methods on the mechanical properties [...] Read more.
The performance of a multi-layer honeycomb skeleton can be significantly enhanced through tandem connection, while the structure’s properties can be tailored by altering the layer stacking method of the honeycomb skeleton. To investigate the impact of layer stacking methods on the mechanical properties of multilayer honeycomb skeletons, 3D printing technology was used to prepare double-layer honeycomb skeleton tandem structures with different dislocation modes in compression testing. A finite element simulation model was established to conduct quasi-static simulation research. Compared to that of a single-layer honeycomb skeleton, the energy absorption of the honeycomb skeleton tandem structure increased. The optimal bearing capacity of the honeycomb skeleton was achieved when the upper and lower layers were precisely aligned. Once dislocation occurred, both the value of average platform stress and energy absorption decreased. Then, the bearing capacity of the honeycomb skeleton tandem structures increased with an enlargement of the dislocation, reaching its maximum at the half-dislocation period. An increase in the partition thickness and stiffness led to a reduction in the dislocation-induced effects on the mechanical properties. The research results can provide theoretical and data support for the engineering application of honeycomb skeleton tandem structures. Full article
(This article belongs to the Special Issue Compressive Behavior of Materials and Structures)
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15 pages, 4473 KiB  
Article
Crashworthiness Analysis of Thin-Walled Square Columns with a Hole Trigger
by Michał Rogala and Jakub Gajewski
Materials 2023, 16(11), 4196; https://doi.org/10.3390/ma16114196 - 5 Jun 2023
Cited by 10 | Viewed by 1407
Abstract
Thin-walled structures dynamically loaded with an axial force are the subject of this study. The structures work as passive energy absorbers by progressive harmonic crushing. The absorbers were made of AA-6063-T6 aluminum alloy and subjected to both numerical and experimental tests. Experimental tests [...] Read more.
Thin-walled structures dynamically loaded with an axial force are the subject of this study. The structures work as passive energy absorbers by progressive harmonic crushing. The absorbers were made of AA-6063-T6 aluminum alloy and subjected to both numerical and experimental tests. Experimental tests were performed on an INSTRON 9350 HES bench, while numerical analyses were performed using Abaqus software. The energy absorbers tested had crush initiators in the form of drilled holes. The variable parameters were the number of holes and their diameter. The holes were located in a line 30 mm away from the base. This study shows a significant effect of the hole diameter on the values of the stroke efficiency indicator and mean crushing force. Full article
(This article belongs to the Special Issue Compressive Behavior of Materials and Structures)
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12 pages, 4583 KiB  
Article
Stability Analysis of Thin-Walled Perforated Composite Columns Using Finite Element Method
by Katarzyna Falkowicz
Materials 2022, 15(24), 8919; https://doi.org/10.3390/ma15248919 - 13 Dec 2022
Cited by 6 | Viewed by 1363
Abstract
Open holes or cut-outs have been commonly used in composite structures for various engineering purposes. Those elements often demand perforation especially for weight reduction and to ease maintenance and servicing operations, for example, in aircraft wing ribs. This work presents a numerical study [...] Read more.
Open holes or cut-outs have been commonly used in composite structures for various engineering purposes. Those elements often demand perforation especially for weight reduction and to ease maintenance and servicing operations, for example, in aircraft wing ribs. This work presents a numerical study of the stability behavior of composite perforated columns subjected to a compressive load. Profiles were made of CFRP laminate and weakened by three types of cut-out. Four parameters, spacing ratio S/D0, opening ratio D/D0, hole shape and arrangement of layers, were selected to check their effect on the buckling load and postbuckling behavior of the tested channel profiles. To carry out the numerical analysis, the Abaqus software was used. The results obtained during the analysis helped to identify the best combination of tested parameters to obtain the highest critical load. The performed analysis show that the columns’ behavior is sensitive to configuration of composite, opening ratio and hole shape. Full article
(This article belongs to the Special Issue Compressive Behavior of Materials and Structures)
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18 pages, 7481 KiB  
Article
Load Eccentricity of Compressed Composite Z-Columns in Non-Linear State
by Pawel Wysmulski
Materials 2022, 15(21), 7631; https://doi.org/10.3390/ma15217631 - 30 Oct 2022
Cited by 19 | Viewed by 1996
Abstract
The study investigated short, thin-walled Z-shaped carbon–epoxy laminate columns. Z-columns were compressed while considering the eccentric force realized from the center of gravity of the column section. The study involved performing a nonlinear analysis of the structures with implemented geometric imperfections reflecting the [...] Read more.
The study investigated short, thin-walled Z-shaped carbon–epoxy laminate columns. Z-columns were compressed while considering the eccentric force realized from the center of gravity of the column section. The study involved performing a nonlinear analysis of the structures with implemented geometric imperfections reflecting the first buckling modes. The nonlinear analysis was performed by using the Tsai–Wu criterion to determine the effort of the composite material. The computations were run until the critical parameter was reached in the Tsai–Wu criterion, allowing for a description of the failure initiation mechanism in the composite material. The first signs of damage to the composite material were determined by using the acoustic emission method. Based on the results, postcritical equilibrium paths of the numerical models were determined. The equilibrium paths were then compared with the experimental characteristics of real structures. The numerical results and experimental findings show a satisfactory agreement. The results confirmed that the numerical models were adequate for estimating the performance of composite structures in the postcritical range, depending on the amplitude of compressive load eccentricity. The research topic undertaken is important because the thin-walled structure design relates to actual loads which, in most cases, differ from the idealized theoretical load conditions. Full article
(This article belongs to the Special Issue Compressive Behavior of Materials and Structures)
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15 pages, 4295 KiB  
Article
Nonlinear Stability of Natural-Fiber-Reinforced Composite Cylindrical Shells with Initial Geometric Imperfection Considering Moisture Absorption and Hygrothermal Aging
by Hongyu Zhang, Haifeng Bai and Zhongyi Zuo
Materials 2022, 15(19), 6917; https://doi.org/10.3390/ma15196917 - 5 Oct 2022
Cited by 2 | Viewed by 1336
Abstract
In this paper, the nonlinear stability of a natural-fiber-reinforced composite cylindrical shell with initial geometric imperfection is investigated. The nonlinear governing equations are established by high-order shear deformation theory. The load-edge shortening curves for different imperfection amplitudes are obtained by the Galerkin method. [...] Read more.
In this paper, the nonlinear stability of a natural-fiber-reinforced composite cylindrical shell with initial geometric imperfection is investigated. The nonlinear governing equations are established by high-order shear deformation theory. The load-edge shortening curves for different imperfection amplitudes are obtained by the Galerkin method. Several numerical examples are presented to verify the accuracy of the proposed method and to investigate the influence of initial geometric imperfection, moisture absorption, and hygrothermal aging on the post-buckling behavior of natural-fiber-reinforced composite cylindrical shells. Full article
(This article belongs to the Special Issue Compressive Behavior of Materials and Structures)
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11 pages, 4160 KiB  
Article
Elastic Properties of Open Cell Metallic Foams—Modeling of Pore Size Variation Effect
by Karol Ćwieka and Jakub Skibiński
Materials 2022, 15(19), 6818; https://doi.org/10.3390/ma15196818 - 30 Sep 2022
Cited by 3 | Viewed by 2322
Abstract
Elastic properties of open-cell metallic foams are investigated in correlation with relative density and pore size variation. A variety of foam architectures, with open porosity above 70% (relative density below 0.30) and various pore size distributions, were modeled using Laguerre–Voronoi tessellations (LVT). The [...] Read more.
Elastic properties of open-cell metallic foams are investigated in correlation with relative density and pore size variation. A variety of foam architectures, with open porosity above 70% (relative density below 0.30) and various pore size distributions, were modeled using Laguerre–Voronoi tessellations (LVT). The coefficient of pore volume variation, CV(V), was introduced to quantify the uniformity of designed structures and ranged between 0.5 to 2.1. Elastic behavior of the modeled foams to uniaxial compression along three orthogonal directions was analyzed using the finite element (FE) method. It is shown that Young’s modulus and Poisson’s ratio of open-cell metals is not solely a function of relative density (porosity) but the pore size variation as well. For similar porosity (approx. 74–98%), Young’s modulus and Poisson’s ratio may be reduced by approx. 25–30% and 10–25%, respectively, when CV(V) increases from 0.5 to 2.1. Furthermore, the incorporation of a relationship between Young’s modulus and the coefficient of pore volume variation to the Gibson–Ashby model is proposed. Full article
(This article belongs to the Special Issue Compressive Behavior of Materials and Structures)
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