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Metals
Special Issues
Mesoscopic Changes in Conventional and Innovative Processing Technologies
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Mesoscopic Changes in Conventional and Innovative Processing Technologies

A special issue of Metals (ISSN 2075-4701). This special issue belongs to the section "Additive Manufacturing".

Deadline for manuscript submissions: 31 May 2024 | Viewed by 6217

Special Issue Editor

Prof. Dr. Jurij J. Sidor

E-Mail Website
Guest Editor
Savaria Institute of Technology, Faculty of Informatics, Eötvös Loránd University, Károlyi Gáspár tér 4, 9700 Szombathely, Hungary
Interests: microstructure and texture evolution in polycrystalline materials; texture modelling during thermo-mechanical processing; materials characterization; Al alloys; electrical steels
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The nature of the microstructural changes involved in the production of polycrystalline metallic systems is strongly affected by the variety of technological parameters in each particular step of the thermomechanical processing chain. The mesoscopic transformations, which comprise crystalline and intracrystalline structural rearrangements, are revealed by means of a vast variety of materials characterization techniques as well as a broad spectrum of numerical methods. Both approaches enable understanding the intricate link between the microstructural features of metallic materials and their macroscopic properties and are of key importance in setting up the thermomechanical processing routes. In many instances, the performance of conventionally produced materials is delimited by the bounds of the processing sequence and cannot be further improved due to numerous technological limitations; therefore, investigation of entirely new processes which are still far away from industrial implementation is of crucial significance. It is expected that the innovative processing technologies will shed a novel light on the microstructure evolution and might reveal a potential for new processing methods.

In this Special Issue, we intend to provide a broad range of scientific contributions dealing with microstructural aspects of both conventionally and non-conventionally processed metallic materials. Contributions dealing with the tailoring of microstructural features for particular purposes are of great interest. Interpretation of microstructure and crystallographic texture evolution during production, based on both well-established and recently developed modeling approaches, is welcome.

Prof. Dr. Jurij J. Sidor
Guest Editor

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. Metals is an international peer-reviewed open access monthly 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

  • advanced materials processing
  • microstructure and texture evolution
  • microstructure related properties of materials

Published Papers (2 papers)

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Research

16 pages, 11461 KiB  
Article
Assessment of Dislocation Density by Various Techniques in Cold Rolled 1050 Aluminum Alloy
by Jurij J. Sidor, Purnima Chakravarty, János Gy. Bátorfi, Péter Nagy, Qingge Xie and Jenő Gubicza
Metals 2021, 11(10), 1571; https://doi.org/10.3390/met11101571 - 30 Sep 2021
Cited by 14 | Viewed by 2698
Abstract
This study examines the evolution of dislocation density in cold rolled 1050 Al alloy. Various techniques such as numerical approaches, indentation techniques, X-ray diffraction line profile analysis, and electron backscattering diffraction were employed for the characterization of the deformed state. These methods allowed [...] Read more.
This study examines the evolution of dislocation density in cold rolled 1050 Al alloy. Various techniques such as numerical approaches, indentation techniques, X-ray diffraction line profile analysis, and electron backscattering diffraction were employed for the characterization of the deformed state. These methods allowed us to determine the nature of the evolution of the dislocation substructure during cold rolling. The investigated material was subjected to thickness reductions varying from 5% to 47%, which resulted in a continuous increase in hardness while the estimated dislocation density showed a tendency towards a less intense increase after a ~30% straining level. The numerical approaches employed, such as the Kubin–Estrin and a modified version of this model, are capable of ensuring a reasonable estimation of dislocation density at low and moderate deformation levels (~5–30%), while the discrepancy between the measured and simulated data is negligible when the material has been exposed to more severe rolling reductions. Full article
(This article belongs to the Special Issue Mesoscopic Changes in Conventional and Innovative Processing Technologies)
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17 pages, 2228 KiB  
Article
Effect of Hot Band on Texture Evolution and Plastic Anisotropy in Aluminium Alloys
by Jurij J. Sidor
Metals 2021, 11(8), 1310; https://doi.org/10.3390/met11081310 - 19 Aug 2021
Cited by 7 | Viewed by 2747
Abstract
This contribution presents the evolution of crystallographic texture during thermomechanical processing of Al alloys. It is shown that the nature of crystallographic changes involved in deformation and recrystallization is strongly affected by the variety of initial (pre-rolling) state of a given metallic system. [...] Read more.
This contribution presents the evolution of crystallographic texture during thermomechanical processing of Al alloys. It is shown that the nature of crystallographic changes involved in deformation and recrystallization is strongly affected by the variety of initial (pre-rolling) state of a given metallic system. Four hot rolled Al strips of identical chemical composition and different textures were subjected to further thermomechanical processing with equal technological characteristics. Although the pre-rolling textures were first destroyed by the deformation, while annealing accounted for further qualitative and quantitative crystallographic changes in the investigated polycrystalline systems, it seems that there is still a great influence of the hot band texture on the texture dependent properties. Various qualitative and quantitative texture characteristics of annealed sheets ensured diverse Lanford value curves, which is a direct consequence of the crystallographic features developed in the hot bands. The Cube-dominated hot band ensured a strong V-shaped profile after cold rolling and subsequent recrystallization, whereas it was shown that a weak pre-rolling texture is more advantageous in terms of both normal and planar anisotropy. Full article
(This article belongs to the Special Issue Mesoscopic Changes in Conventional and Innovative Processing Technologies)
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