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Metals
Special Issues
Surface Strengthening and Modification of Metallic Materials
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Surface Strengthening and Modification of Metallic Materials

A special issue of Metals (ISSN 2075-4701).

Deadline for manuscript submissions: closed (30 June 2024) | Viewed by 1793

Special Issue Editors

Prof. Dr. Young-Sik Pyun

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Guest Editor
Department of Fusion Science and Technology, Sun Moon University, Asan 336708, Republic of Korea
Interests: wear; friction; fatigue; rolling contact fatigue strength; surface engineering/technology; surface modification; UNSM (ultrasonic nanocrystal surface modification); SCC (stress corrosion cracking) ASME Code Case for Nuclear Power Engineering; additive manufacturing
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Do-Sik Shim

E-Mail Website
Guest Editor
Department of Ocean Advanced Materials Convergence Eng., Korea Maritime and Ocean University (College of Engineering II, Room 505) 727 Taejong-ro, Yeongdo-Gu, Busan 49112, Republic of Korea
Interests: additive manufacturing; surface engineering; laser remelting; finite element (FE) simulations; mechanical and metallurgical characterization; heat treatment
Prof. Dr. Chang Ye

E-Mail Website
Guest Editor
School of Mechanical Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
Interests: laser-based manufacturing; surface severe plastic deformation; residual stress engineering
Dr. Auezhan Amanov

E-Mail Website
Guest Editor
Faculty of Engineering and Natural Sciences, Tampere University, 33720 Tampere, Finland
Interests: tribology; fretting; fatigue; surface severe plastic deformation; surface engineering
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Yongxiang Hu

E-Mail Website
Guest Editor
Department of Manufacturing Technology and Equipment Automation Research Institute, Shanghai Jiao Tong University, Shanghai 200240, China
Interests: laser micro-nano additive manufacturing; laser shot peening and forming; intelligent laser manufacturing equipment; laser-driven high-speed microsphere testing technology

Special Issue Information

Dear Colleagues,

This Special Issue is focused on highlighting the most recent contributions in the field of materials science and engineering and surface strengthening and modification of metallic materials from a broad range of applications, from aerospace to nuclear engineering. The main applications are related to materials and process performance involved in engineering applications and the post-processing and treatment procedures. This Special Issue will focus on the improvement of the behavior and performance of metallic materials through surface modification and peening technologies. We welcome the submission of various papers related to surface strengthening and modification of materials and their improved properties, from experimental approaches and modeling/simulation to advanced insights into materials and surface post-treatment procedures. It is also encouraged to submit papers on numerical simulation and computational dynamic analysis of surface strengthening processes due to the continuously increasing demands for advanced computer solutions.

In addition, this Special Issue welcomes interesting research papers from the 8th ICLPRP.

For this Special Issue of Metals, it is our pleasure to invite you to submit papers and review articles.

We look forward to your valuable contributions.

Prof. Dr. Young-Sik Pyun
Prof. Dr. Do-Sik Shim
Prof. Dr. Chang Ye
Prof. Dr. Auezhan Amanov
Prof. Dr. Yongxiang Hu
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. 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

  • surface peening/modification performance
  • process modeling and simulation
  • microstructural characterization
  • mechanical properties
  • residual stress
  • fatigue
  • numerical analysis

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Further information on MDPI's Special Issue polices can be found here.

Published Papers (2 papers)

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Research

17 pages, 11437 KiB  
Article
Improvement of Tribological Properties and Corrosion Resistance of AISI 4340M Steel by Shot Peening and Plating Technologies
by Seok-Hwan Ahn, Jungsik Kim and Auezhan Amanov
Metals 2024, 14(9), 1037; https://doi.org/10.3390/met14091037 - 12 Sep 2024
Viewed by 627
Abstract
In this study, shot peening (SP), quenching and tempering (QT) heat treatment, baking heat treatment and Cr-plating technologies were used to enhance the hardness, tribological properties and corrosion resistance of AISI 4340M steel. The purpose of this study is to develop repair process [...] Read more.
In this study, shot peening (SP), quenching and tempering (QT) heat treatment, baking heat treatment and Cr-plating technologies were used to enhance the hardness, tribological properties and corrosion resistance of AISI 4340M steel. The purpose of this study is to develop repair process technology for an overhaul of landing gear applied to the MRO process and establish a quality assurance system. The effects of SP, QT heat treatment, Cr-plating, stripping after Cr-plating and Cr-plating after stripping and re-SP on the tribological properties and corrosion resistance of AISI 4340M steel were investigated, and the obtained results were compared with the base AISI 4340M steel. One of the reasons for stripping after Cr-plating is to find out how many times stripping can be done after Cr-plating. Moreover, it is important to investigate the effect of re-SP after Cr-plating on the tribological properties and corrosion resistance. The tribological properties of the specimens were investigated using a ball-on-disk tribometer at room temperature against AISI 52100 steel for 60 min under dry conditions. The corrosion resistance was investigated using a potentiodynamic polarization test in NaCl 3.5% solution. The results showed that the application of SP, QT heat treatment, Cr-plating, stripping after Cr-plating and Cr-plating after stripping and re-SP had a significant effect on the tribological properties and corrosion resistance of AISI 4340M steel. The effects of SP and Cr-plating post-treatment technologies on the wear and corrosion enhancement and mechanisms were discussed based on the microstructural and surface morphology of worn and corroded surfaces. Full article
(This article belongs to the Special Issue Surface Strengthening and Modification of Metallic Materials)
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11 pages, 4589 KiB  
Communication
Effect of Laser Beam Overlap Rate on Mechanical Properties of Aluminum Alloy Arc Welding with Laser Peening
by Jae-Ook Jeon, Ye-Sol Yun, Moo-Keun Song, Pyeong-Soo Kim and Jong-Do Kim
Metals 2024, 14(9), 1021; https://doi.org/10.3390/met14091021 - 6 Sep 2024
Viewed by 654
Abstract
This study aims to investigate the effect of the laser beam overlap rate on the mechanical properties of Al3003 aluminum alloy arc weldment with laser peening. To determine the optimal laser beam overlap rate for laser peening of the weldment, peening experiments were [...] Read more.
This study aims to investigate the effect of the laser beam overlap rate on the mechanical properties of Al3003 aluminum alloy arc weldment with laser peening. To determine the optimal laser beam overlap rate for laser peening of the weldment, peening experiments were conducted on bead-welded and butt-welded specimens with varying overlap rates, and the effect of the beam overlap rate was analyzed. As the overlap rate increased, the residual stress changed from tensile to compressive, with the highest level of compressive residual stress at the overlap rate of 75%. Laser peening was performed on the aluminum weldment of the prototype, applying the optimal peening conditions identified earlier. As a result of comparing the residual stress, hardness, and tensile strength of the weld before and after laser peening, it was found that the tensile residual stress in the weldment was improved to a compressive residual stress of about −50 MPa or more. The hardness and tensile strength of the weld increased after peening, and the mechanical properties were also improved. Full article
(This article belongs to the Special Issue Surface Strengthening and Modification of Metallic Materials)
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