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Metals
Special Issues
Properties and Residual Stresses of Welded Alloys
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Properties and Residual Stresses of Welded Alloys

A special issue of Metals (ISSN 2075-4701). This special issue belongs to the section "Welding and Joining".

Deadline for manuscript submissions: 30 September 2025 | Viewed by 588

Special Issue Editors

Prof. Dr. Dean Deng

E-Mail Website
Guest Editor
College of Materials Science and Engineering, Chongqing University, Chongqing 400044, China
Interests: computational welding mechanics; numerical simulation; residual stress; welding deformation; welding metallurgy
Special Issues, Collections and Topics in MDPI journals
Dr. Yifeng Wang

E-Mail Website
Guest Editor
College of Materials Science and Engineering, Chongqing University, Chongqing 400044, China
Interests: new material and dissimilar material joining; numerical simulation; residual stress
Special Issues, Collections and Topics in MDPI journals
Dr. Guangjie Feng

E-Mail Website
Guest Editor
College of Materials Science and Engineering, Chongqing University, Chongqing 400044, China
Interests: new material and dissimilar material joining; numerical simulation; residual stress; combustion synthesis
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Welding is widely used as an essential technology for material joining in various industries. Generally, residual stress in welded alloys influences the quality and performance of these welded products. Great efforts have been made in attempt to find ways to control welding residual stress in order to promote the properties of welded alloys. However, welding residual stress still remains a difficult engineering problem because the measurement and prediction of welding residual stress are complex and interdisciplinary. This Special Issue, entitled “Properties and Residual Stresses of Welded Alloys”, is dedicated to publishing the latest scientific achievements in the field. Both reviews and articles are welcome to be submitted to this Special Issue. This Special Issue welcomes contributions of any kind in the fields of the microstructure, properties, residual stress, or numerical simulation of welded alloys. All approaches are encouraged, including theoretical, numerical, and experimental ones.

It is our pleasure to invite you to submit a manuscript to this Special Issue, and we look forward to receiving your submissions.

Prof. Dr. Dean Deng
Dr. Yifeng Wang
Dr. Guangjie Feng
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

  • microstructure
  • properties
  • numerical simulation of welding residual stress
  • experimental measurement of welding residual stress
  • modeling of welded joints
  • performance of welded alloys

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Published Papers (1 paper)

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Research

19 pages, 3944 KB  
Article
Influence of Overlay Welding Process on the Morphology, Microstructure, and Performance of the Overlay Layer
by Yinghe Ma, Jinpeng Zhang, Zhen Yu, Min Li, Zhihui Cai, Daochen Feng, Sendong Ren, Wenjian Zheng and Jianguo Yang
Metals 2025, 15(9), 987; https://doi.org/10.3390/met15090987 - 5 Sep 2025
Viewed by 326
Abstract
This study investigates the effects of welding parameters and the addition of a buffer layer on the morphology, microstructure, mechanical properties, and corrosion resistance of the overlay layer during overlay welding. This paper uses Q235 steel as the base material, ER309L as the [...] Read more.
This study investigates the effects of welding parameters and the addition of a buffer layer on the morphology, microstructure, mechanical properties, and corrosion resistance of the overlay layer during overlay welding. This paper uses Q235 steel as the base material, ER309L as the buffer layer, and ER347 as the overlay layer to conduct process experiments on overlay welding component, aiming to obtain optimal process parameters. The effects of welding line energy and weld bead overlap rate on the morphology, dimensions, and dilution rate of the overlay layer were analyzed. Furthermore, the influence of the presence or absence of the buffer layer on the microstructure, mechanical properties, and corrosion resistance of the overlay layer was investigated. The microstructure and morphology of the overlay layer were characterized by optical microscopy (OM), scanning electron microscopy (SEM) and energy-dispersive spectroscopy (EDS). Mechanical and electrochemical tests were also performed to evaluate the mechanical and corrosion resistance properties of ER347 stainless steel weld overlays. The results showed that the optimal process parameters were successfully obtained, which ensured sound weld bead formation while minimizing dilution. The addition of the buffer layer (ER309L) improved the bonding quality of the overlay welding component interface, reduced element dilution in the overlay layer, significantly improved hardness distribution, and reduced sudden changes in hardness in the fusion zone, thereby optimizing the mechanical properties of the ER347 stainless steel overlay layer. After adding the buffer layer, the corrosion current density decreased from 6.23 × 10−5 A·cm−2 to 2.21 × 10−5 A·cm−2, and the corrosion potential increased from −1.049 V to −0.973 V, effectively reducing the corrosion risk of the overlay component. This study innovatively introduced a buffer layer in the process of overlay welding austenitic stainless steel on low-carbon steel and investigated the impact of the overlay welding process on the overlay layer, thereby contributing to a comprehensive understanding of the overlay welding process from multiple perspectives. Full article
(This article belongs to the Special Issue Properties and Residual Stresses of Welded Alloys)
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