Search for Articles:
Title / Keyword
Author / Affiliation / Email
Journal
Article Type
 
 
Advanced Search
 
Section
Special Issue
Volume
Issue
Number
Page
 
5.3
2.5
Journals
Metals
Special Issues
Properties and Residual Stresses of Welded Alloys
share announcement

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: 31 May 2026 | Viewed by 1425

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 250 words) can be sent to the Editorial Office for assessment.

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

Benefits of Publishing in a Special Issue

  • Ease of navigation: Grouping papers by topic helps scholars navigate broad scope journals more efficiently.
  • Greater discoverability: Special Issues support the reach and impact of scientific research. Articles in Special Issues are more discoverable and cited more frequently.
  • Expansion of research network: Special Issues facilitate connections among authors, fostering scientific collaborations.
  • External promotion: Articles in Special Issues are often promoted through the journal's social media, increasing their visibility.
  • Reprint: MDPI Books provides the opportunity to republish successful Special Issues in book format, both online and in print.

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

Published Papers (2 papers)

Download All Papers
Order results
Result details
Show export options expand_more Show export options expand_less
Select all
Export citation of selected articles as:

Research

18 pages, 4208 KB  
Article
Investigation of Single-Pass Laser Remelted Joint of Mo-5Re Alloy: Microstructure, Residual Stress and Angular Distortion
by Yifeng Wang, Danmin Peng, Xi Qiu, Mingwei Su, Shuwei Hu, Wenjie Li and Dean Deng
Metals 2025, 15(10), 1145; https://doi.org/10.3390/met15101145 - 15 Oct 2025
Viewed by 305
Abstract
Molybdenum-rhenium (Mo-Re) alloys, especially those with low Re content, have great potential in fabricating nuclear components. However, the extremely high melting point and high brittleness of Mo-Re alloys make them difficult to weld. In this study, laser welding was used to prepare single-pass [...] Read more.
Molybdenum-rhenium (Mo-Re) alloys, especially those with low Re content, have great potential in fabricating nuclear components. However, the extremely high melting point and high brittleness of Mo-Re alloys make them difficult to weld. In this study, laser welding was used to prepare single-pass remelted joint of Mo-5Re alloy with welding parameters of laser power 2800 W, welding speed 2 m·min−1 and argon gas flow rate 20 L·min−1. The microstructure of the remelted joint was investigated by the optical microscopy and the scanning electron microscopy. The microhardness distribution of the joint was analyzed. In addition, the temperature field, residual stress, and angular distortion of the joint were investigated by both numerical and experimental methods. The results show that columnar grains grew from the fusion boundary toward the center of the weld pool, and equiaxed grains formed in the central region of the fusion zone (FZ). In the heat-affected zone (HAZ), the grains transformed from initial elongated into equiaxed grains. The electron backscatter diffraction (EBSD) results revealed that high-angle grain boundaries (HAGBs) dominated in FZ. Oxide/carbide particles at grain boundaries and inside the grains can be inferred from contrast results. The average microhardness of FZ was 170 ± 5 (standard deviation) HV, which was approximately 80 HV lower than that of the base metal (250 ± 2 HV). Softening phenomenon was also observed in HAZ. The calculated weld pool shape showed high consistency with the experimental observation. The peak temperature (296 °C) of the simulated thermal cycling curve was ~8% higher than the measured value (275 °C). The residual stress calculation results indicated that FZ and its vicinity exhibited high levels of longitudinal tensile residual stresses. The simulated peak longitudinal residual stress (509 MPa) was ~30% higher than the measured value (393 MPa). Furthermore, both the simulation and experimental results demonstrated that the single-pass remelted joint of Mo-5Re alloy produced only minor angular distortion. The obtained results are very useful in understanding the basic phenomena and problems in laser welding of Mo alloys with low Re content. Full article
(This article belongs to the Special Issue Properties and Residual Stresses of Welded Alloys)
►▼ Show Figures

Figure 1

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 770
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)
►▼ Show Figures

Figure 1

Show export options expand_more Show export options expand_less
Select all
Export citation of selected articles as:
 
Displaying articles 1-2
Back to TopTop