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Advances in Friction Stir Processing and Surfacing
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Advances in Friction Stir Processing and Surfacing

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

Deadline for manuscript submissions: 31 December 2024 | Viewed by 406

Special Issue Editors

Dr. Ebrahim Seidi

E-Mail Website
Guest Editor
Mechanical Engineering Department, Arkansas Tech University, Russellville, AR 72801, USA
Interests: solid-state processing; lateral friction surfacing; material characterization; finite element analysis; additive manufacturing; advanced manufacturing
Dr. Scott F. Miller

E-Mail Website
Guest Editor
Department of Mechanical Engineering, University of Hawaii at Manoa, Honolulu, HI, USA
Interests: Friction stir forming; lateral friction surfacing; material characterization; finite element analysis; advanced manufacturing

Special Issue Information

Dear Colleagues,

Friction stir processing (FSP) and friction surfacing (FS) techniques have revolutionized material processing and surface engineering, sparking widespread interest across industries due to their significant impact on material processing, joining, coating fabrication, and surface modification. These innovative techniques operate on the principles of frictional heat generation and plastic deformation, thus offering distinct advantages over conventional methods by enabling high-quality joint formation, enhanced material properties, and superior surface characteristics without the pitfalls of melting or fusion-based processes.

This Special Issue aims to bring together cutting-edge research, innovative methodologies, and practical applications, fostering a comprehensive understanding of the capabilities and limitations within this field. Within this Special Issue, an emphasis is placed on showcasing the innovations of new experimental techniques and configurations for tools and workpieces within FSP and FS techniques. By providing a platform for researchers, this Special Issue seeks to advance the knowledge frontier, stimulate interdisciplinary collaboration, and address critical challenges in the realm of FSP and FS.

Topics of Interest:

  • Novel Approaches and Advanced Techniques
  • Microstructural Transformations, Phase Evolution, and Property Enhancements
  • Material Compatibility and Application Specificities
  • Surface Modification and Property Development
  • Developments in Process Monitoring, Control, and Optimization
  • Advances in Numerical Modeling and Simulation
  • Real-world Applications and Case Studies

Dr. Ebrahim Seidi
Dr. Scott F. Miller
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

  • solid-state deposition
  • material and metallurgical characterization
  • lateral friction surfacing
  • metal coating
  • numerical simulation
  • experimental analysis
  • mechanism of friction stir processing

Published Papers (1 paper)

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Research

18 pages, 15703 KiB  
Article
Microstructure Evolution and Mechanical Properties of 7A52 Aluminum Alloy Thin Sheet Repaired with Friction Stir Surfacing
by Xiangxue Li, Chengcheng Shi, Guofeng Han, Huan Liu, Xiaofei Li and Rui Liu
Materials 2024, 17(11), 2602; https://doi.org/10.3390/ma17112602 - 28 May 2024
Viewed by 148
Abstract
A solid-state repair technique based on surface friction welding is investigated in depth to achieve excellent mechanical properties of damaged 7A52 aluminum alloy. The results show that the yield strength and tensile strength along the repair direction are 436 MPa and 502 MPa, [...] Read more.
A solid-state repair technique based on surface friction welding is investigated in depth to achieve excellent mechanical properties of damaged 7A52 aluminum alloy. The results show that the yield strength and tensile strength along the repair direction are 436 MPa and 502 MPa, respectively, at a rotational speed of 1400 rpm and a travel speed of 300 mm/min, which are about 157.9% and 129.7% of those before the defects were repaired, respectively, while the elongation is 17.2% compared to the base material. Perpendicular to the repair direction, the yield strength and tensile strength are 254 MPa and 432 MPa, which are 111.4% and 129.7% of those before the defects were repaired, respectively, while the elongation is 11.8% compared to the base material. The mechanical properties of the repaired areas are still improved compared to those of the defect-free sheets. On the one hand, this is attributed to the dynamic recrystallization of the nugget zone due to the thermo-mechanical coupling, resulting in the formation of a fine, equiaxed grain structure; on the other hand, the precipitated Mg2Si phase, which is incoherent within the base material, transforms into the Al12(Fe, Mn)3Si phase, as well as the precipitation of the Al6Mn phase and η′ phase, resulting in the enhancement of the properties. The material fracture at the junction of the nugget zone and the heat-affected zone occurs after repair, which is attributed to the significant difference in the texture of the nugget zone and the heat-affected zone, as well as to the stress concentration at the junction. Full article
(This article belongs to the Special Issue Advances in Friction Stir Processing and Surfacing)
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Planned Papers

The below list represents only planned manuscripts. Some of these manuscripts have not been received by the Editorial Office yet. Papers submitted to MDPI journals are subject to peer-review.

Title: Analysis of the Mechanical Properties of the AlSi7CrMnCu2.5 alloy and their Changes after Heat Treatment
Authors: Pavel Kraus
Affiliation: Faculty of Mechanical Engineering, Jan Evangelista Purkyně University in Ústí nad Labem; Pasteurova 7, Ústí nad Labem, CZ

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