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Structure and Mechanical Properties of Alloys, Volume III
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Structure and Mechanical Properties of Alloys, Volume III

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

Deadline for manuscript submissions: 20 August 2024 | Viewed by 1430

Special Issue Editors

Prof. Dr. Tomasz Tański

E-Mail Website
Guest Editor
Department of Engineering Materials and Biomaterials, Faculty of Mechanical Engineering, Silesian University of Technology, 44-100 Gliwice, Poland
Interests: nanotechnology; thin layers; material properties; structure; heat; surface; plastic treatment
Special Issues, Collections and Topics in MDPI journals
Dr. Przemysław Snopiński

E-Mail Website
Guest Editor
Department of Engineering Materials and Biomaterials, Faculty of Mechanical Engineering, Silesian University of Technology, 44-100 Gliwice, Poland
Interests: additive manufacturing; microstructural analysis; deformation behavior; heat treatment; grain refinement
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

After our successful first two volumes of this Special Issue, “Structure and Mechanical Properties of Alloys”, we have decided to create a third volume to collect and publish state-of-the-art research on the structure–mechanical property relationship in metallic materials.

This third volume of this Special Issue, like the first two ones, will focus on the contemporary trends in material engineering related to metallic materials with a special emphasis on the effect of grain size, structure modifications using thermal, chemical, surface, and mechanical treatment, as well as on the decrease in the specific weight of the finished elements using light metal alloys such as those containing aluminum, magnesium, and titanium.

Prof. Dr. Tomasz Tański
Dr. Przemysław Snopiński
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

  • metallic alloys
  • nonferrous alloys
  • additive manufacturing
  • mechanical properties
  • manufacturing
  • heat treatment
  • nanostructured
  • structure–property correlations
  • advanced material characterization

Published Papers (2 papers)

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Research

12 pages, 4458 KiB  
Article
Improving Mechanical and Corrosion Properties of 6061 Al Alloys via Differential Speed Rolling and Plasma Electrolytic Oxidation
by Siti Fatimah, Warda Bahanan, I Putu Widiantara, Jae Hoon Go, Jee-Hyun Kang and Young Gun Ko
Materials 2024, 17(6), 1252; https://doi.org/10.3390/ma17061252 - 08 Mar 2024
Viewed by 435
Abstract
This study explores the combined potential of severe plastic deformation (SPD) via differential speed rolling (DSR) and plasma electrolytic oxidation (PEO) to enhance the material performance of 6061 Al alloys. To this end, DSR was carried out at a roll-speed-ratio of 1:4 to [...] Read more.
This study explores the combined potential of severe plastic deformation (SPD) via differential speed rolling (DSR) and plasma electrolytic oxidation (PEO) to enhance the material performance of 6061 Al alloys. To this end, DSR was carried out at a roll-speed-ratio of 1:4 to obtain ~75% total thickness reduction and a final microstructure of <1 µm. The rest of the samples were annealed to obtain various grain sizes of ~1, ~25, and ~55 μm. Through DSR, the hardness of the material increased from ~64 to ~102 HV. Different grain sizes altered the plasma behavior which further influence the growth of the coating layer, where the fine grain size produced a compact structure beneficial for corrosion protection. This synergy offers tailored materials ideal for high-performance applications across diverse industries, combining enhanced bulk properties from DSR with optimized surface attributes from PEO. Full article
(This article belongs to the Special Issue Structure and Mechanical Properties of Alloys, Volume III)
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19 pages, 6987 KiB  
Article
Research on the Mechanical Model and Hysteresis Performance of a New Mild Steel-Rotational Friction Hybrid Self-Centering Damper
by Debin Wang, Ran Pang, Gang Wang and Guoxi Fan
Materials 2023, 16(22), 7168; https://doi.org/10.3390/ma16227168 - 15 Nov 2023
Cited by 1 | Viewed by 724
Abstract
A mild steel-friction self-centering damper with a hybrid energy-dissipation mechanism (MS-SCFD) was proposed, which consisted of a mild steel, frictional, dual-energy-dissipation system and a disc spring resetting system. The structure and principle of the MS-SCFD were explained in detail while the restoring force [...] Read more.
A mild steel-friction self-centering damper with a hybrid energy-dissipation mechanism (MS-SCFD) was proposed, which consisted of a mild steel, frictional, dual-energy-dissipation system and a disc spring resetting system. The structure and principle of the MS-SCFD were explained in detail while the restoring force model was established. The hysteretic behavior of the MS-SCFD under low-cycle reciprocating loading was modeled. Then, the influence of parameters such as the disc spring preload, the friction coefficient, and the soft-steel thickness on the mechanical properties of the MS-SCFD was investigated. The results indicate that the simulation results are basically consistent with the theoretical prediction results, with a maximum error of only 9.46% for the key points of bearing capacity. Since the MS-SCFD is provided with a hysteretic curve in the typical flag type, it will obtain the capacity of excellent self-centering performance. It can effectively enhance the stiffness, bearing capacity, and self-centering capability of the damper after the pre-pressure of the disc spring is increased. The energy-dissipation capacity of the MS-SCFD increases with the increase in the friction coefficient. However, it also increases the residual deformation of the MS-SCFD. The energy dissipation of the MS-SCFD is particularly sensitive to the thickness of mild steel. After being loaded, all components of the MS-SCFD are not damaged except for the plastic deformation caused by the yielding of the mild steel. The normal function of the MS-SCFD can be restored simply by replacing the mild steel plates after the earthquake. Therefore, it can significantly enhance the economy and applicability of the damper. Full article
(This article belongs to the Special Issue Structure and Mechanical Properties of Alloys, Volume III)
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