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Materials
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Behavior, Damage and Fracture of Aluminum Alloy: Experiments and Modeling
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Behavior, Damage and Fracture of Aluminum Alloy: Experiments and Modeling

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

Deadline for manuscript submissions: closed (20 December 2021) | Viewed by 11342

Special Issue Editors

Prof. Alexis Rusinek

E-Mail Website1 Website2
Guest Editor
LEM3 - Laboratory of Microstructure Studies and Mechanics of Materials, UMR-CNRS 7239, Lorraine University, 7 rue Félix Savart, BP 15082, 57073 Metz, CEDEX 03, France
Interests: constitutive relations; dynamic loading; Hopkinson pressure bars; impact; modeling; fracture; simulations; additive manufacturing
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Maria Henar Miguélez

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Guest Editor
Department of Mechanical Engineering, University Carlos III of Madrid, 28903 Getafe, Spain
Interests: advanced manufacturing; impact dynamics; biomechanics; additive manufacturing; machining of low machinability material; mechanical design; mechanics of polymer materials
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The aim of this Special Issue is to publish scientific papers related to the behaviour of aluminium alloy for a wide range of loading and applications. Therefore, this Special Issue includes several aspects as experiments, modelling, and numerical work. In terms of loading, it will cover mechanical behavior in different applications involving low and high strain rates, fatigue, fracture, and damage. Works on processing alloys are also welcome, including high-speed machining and nonconventional processes. Papers related to additive manufacturing may be considered if the material is characterized in terms of mechanical properties.

We look forward to receiving many proposals for the Special Issue on "Behavior, Damage, and Fracture of Aluminum Alloy: Experiments and Modeling”. We are sure that this Special Issue will be useful for people working in this specific field, and for doctoral students and postdocs. It will cover experiments, modelling, and computing.

Prof. Alexis Rusinek
Prof. Maria Henar Miguélez
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

  • aluminum alloys
  • experiments
  • damage
  • fatigue
  • fretting
  • processing
  • modelling
  • simulations
  • additive manufacturing

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Published Papers (4 papers)

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Research

12 pages, 23444 KiB  
Article
The Influence of Temperature in the Al 2024-T3 Aluminum Plates Subjected to Impact: Experimental and Numerical Approaches
by Maciej Klosak, Rafael Santiago, Tomasz Jankowiak, Amine Bendarma, Alexis Rusinek and Slim Bahi
Materials 2021, 14(15), 4268; https://doi.org/10.3390/ma14154268 - 30 Jul 2021
Cited by 3 | Viewed by 2785
Abstract
In this paper, perforation experiments were carried out and numerically modelled in order to analyze the response of 2024-T3 aluminum alloy plates under different initial temperatures T0. This alloy has a particular relevance since it is widely used as a structural [...] Read more.
In this paper, perforation experiments were carried out and numerically modelled in order to analyze the response of 2024-T3 aluminum alloy plates under different initial temperatures T0. This alloy has a particular relevance since it is widely used as a structural component in aircrafts, but it is also interesting for other sectors of industry. A gas gun projectile launcher was used to perform impacts within initial velocities V0 from 40 m/s to 120 m/s and at temperatures varying from 293 K to 573 K. A temperature softening of the material was observed which was manifested in the reduction in the ballistic limit by 10% within the temperature range studied. Changes in the material failure mode were also observed at different test conditions. Additionally, a finite element model was developed to predict the material response at high velocities and to confirm the temperature softening that was observed experimentally. An optimization of the failure criterion resulted in a reliable model for such mild aluminum alloys. The results reported here may be used for different applications in the automotive and military sectors. Full article
(This article belongs to the Special Issue Behavior, Damage and Fracture of Aluminum Alloy: Experiments and Modeling)
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19 pages, 8904 KiB  
Article
Dynamic Behavior of Aluminum Alloy Aw 5005 Undergoing Interfacial Friction and Specimen Configuration in Split Hopkinson Pressure Bar System at High Strain Rates and Temperatures
by Amine Bendarma, Tomasz Jankowiak, Alexis Rusinek, Tomasz Lodygowski, Bin Jia, María Henar Miguélez and Maciej Klosak
Materials 2020, 13(20), 4614; https://doi.org/10.3390/ma13204614 - 16 Oct 2020
Cited by 20 | Viewed by 2773
Abstract
In this paper, experimental and numerical results of an aluminum alloy’s mechanical behavior are discussed. Over a wide range of strain rates (10−4 s−1 ≤ έ ≤ 103 s−1) the influence of the loading impact, velocity and temperature [...] Read more.
In this paper, experimental and numerical results of an aluminum alloy’s mechanical behavior are discussed. Over a wide range of strain rates (10−4 s−1 ≤ έ ≤ 103 s−1) the influence of the loading impact, velocity and temperature on the dynamic response of the material was analyzed. The interface friction effect on the material’s dynamic response is examined using a split Hopkinson pressure bar (SHPB) in a high temperature experiment using finite element analysis (FEA). The effect of different friction conditions between the specimen and the transmitted/incident bars in the SHPB system was examined using cylinder bulk specimens and cylinder plates defined with four-layer configurations. The results of these tests alongside the presented numerical simulations allow a better understanding of the phenomenon and reduces (minimizes) errors during compression tests at high and low strain rates with temperatures ranging from 21 to 300 °C. Full article
(This article belongs to the Special Issue Behavior, Damage and Fracture of Aluminum Alloy: Experiments and Modeling)
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23 pages, 18305 KiB  
Article
Experimental and Numerical Investigation of the Fracture Behavior of Welded Aluminum Cross Joints under Axial Compression
by Hannes Panwitt, Horst Heyer and Manuela Sander
Materials 2020, 13(19), 4310; https://doi.org/10.3390/ma13194310 - 27 Sep 2020
Cited by 3 | Viewed by 2286
Abstract
In age-hardened high-strength aluminum alloys, the area with and around a joint has a large impact on the load-bearing capacity of a welded structure. Therefore, in this study the fracture behavior of welded EN AW 6082 T6 plates is investigated experimentally and numerically. [...] Read more.
In age-hardened high-strength aluminum alloys, the area with and around a joint has a large impact on the load-bearing capacity of a welded structure. Therefore, in this study the fracture behavior of welded EN AW 6082 T6 plates is investigated experimentally and numerically. From butt joints, smooth and notched tensile specimens as well as shear specimens have been manufactured and tested for the base material (BM), heat-affected zone (HAZ) and fusion zone (FZ). With numerical simulations of these tests, the dependency of the fracture strain on the stress triaxiality is determined, and two phenomenological fracture criteria are calibrated. Whereas the one-parameter Rice–Tracey/Cockcroft–Latham (RTCL) criterion describes the behavior of the tension specimens as accurately as the two-parameter Bao–Wierzbicki (BW) criterion, the BW criterion is more accurate for shear tests. Subsequently, the material model is validated on axial compression tests of welded X-profiles. The experiments comprise tests with different plate thicknesses (8 mm, 10 mm and 12 mm) and varying strain rates (up to 1/s locally), showing the same behavior for all specimens. After crack initiation within the FZ, coalescence of cracks leads to crack growth in axial direction and a subsequent reduction of the load-bearing capacity. This behavior is reproduced well by the numerical simulations with the BW criterion, whereas simulations with the RTCL criterion predict fracture initiation at too high displacements. Overall, the results show the strong influence of the ductility of the FZ on the crushing behavior of welded X-profiles. Full article
(This article belongs to the Special Issue Behavior, Damage and Fracture of Aluminum Alloy: Experiments and Modeling)
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19 pages, 9146 KiB  
Article
Experiment and Numerical Simulation for the Compressive Buckling Behavior of Double-Sided Laser-Welded Al–Li Alloy Aircraft Fuselage Panel
by Yunlong Zhang, Wang Tao, Yanbin Chen, Zhenkun Lei, Ruixiang Bai and Zhenglong Lei
Materials 2020, 13(16), 3599; https://doi.org/10.3390/ma13163599 - 14 Aug 2020
Cited by 9 | Viewed by 2465
Abstract
The aim of this work was to study the buckling behavior and failure mode of the double-sided laser-welded Al–Li alloy panel structure under the effect of axial compression via experimental and numerical simulation methods. In the test, multi-frequency fringe projection profilometry was used [...] Read more.
The aim of this work was to study the buckling behavior and failure mode of the double-sided laser-welded Al–Li alloy panel structure under the effect of axial compression via experimental and numerical simulation methods. In the test, multi-frequency fringe projection profilometry was used to monitor the out-of-plane displacement of the laser-welded panel structure during the axial compression load. In addition, the in-plane deformation was precisely monitored via strain gauge and strain rosette. The basic principles of fringe projection profilometry were introduced, and how to use fringe projection profilometry to obtain out-of-plane displacement was also presented. Numerical simulations were performed using the finite element method (FEM) to predict the failure load and buckling modes of the laser-welded panel structure under axial compression, and the obtained results were compared with those of the experiment. It was found that the fringe projection profilometry method for monitoring the buckling deformation of the laser-welded structure was verified to be effective in terms of a measurement accuracy of sub-millimeter level. The structural failure was caused by local buckling of the skin. The observed failure modes such as local buckling of the skin, bending deformation of the stringers, continuous fracture of several welds, and failure of local strength and stiffness were attributed to the deformed laser-welded panel structure under the axial compression. The predicted failure load in the numerical simulation was slightly smaller than that of the experimental test, and the error of the simulation result relative to the test result was −2.7%. The difference between them might be due to the fact that the boundary and loading conditions used in the FEM model could not be completely consistent with those used in the actual experiment. Full article
(This article belongs to the Special Issue Behavior, Damage and Fracture of Aluminum Alloy: Experiments and Modeling)
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