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Advances in Welding Technology: 2nd Edition
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Advances in Welding Technology: 2nd Edition

A special issue of Journal of Manufacturing and Materials Processing (ISSN 2504-4494).

Deadline for manuscript submissions: 1 December 2025 | Viewed by 578

Special Issue Editor

Prof. Dr. Paul Kah

E-Mail Website
Guest Editor
Division of Welding Technology, University West, 461 86 Trollhättan, Sweden
Interests: welding technology; process control in welding; sustainable welding; weld quality assurance; high strength steels; aluminium; dissimilar welding
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Recent advancements in manufacturing methods have provided significant benefits, including stronger joints, innovative material combinations, cost-effective part production, increased productivity, superior quality, the ability to create complex shapes, and reliable testing, to new materials for industrial applications.

This Special Issue explores the functioning of advanced welding technologies and the science behind optimizing these processes. It examines the operational characteristics of advanced welding techniques and the principles guiding process and parameter choices.

Additionally, it invites contributions on the latest developments in understanding new industrial welding methods and the growing expertise in selecting appropriate welding techniques for various industrial applications.

Prof. Dr. Paul Kah
Guest Editor

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. Journal of Manufacturing and Materials Processing 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 1800 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

  • welding technology
  • advanced fusion joining techniques
  • process parameters
  • economy in welding
  • quality in fusion welds

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Published Papers (1 paper)

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Research

19 pages, 7538 KB  
Article
Study on the Layered Structure of Ceramic-Side Bonding Area and the Mechanical Property of Al2O3–Kovar Brazed Joint with Ag-Cu-Ti Filler
by Junjie Qi, Dong Du, Dongqi Zhang, Shuai Xue, Jiaming Zhang, Jiamin Yi, Haifei You and Baohua Chang
J. Manuf. Mater. Process. 2025, 9(11), 355; https://doi.org/10.3390/jmmp9110355 - 29 Oct 2025
Viewed by 192
Abstract
During active brazing of alumina ceramics, active elements react with the ceramic to form a reaction layer, which has significant influence on the mechanical property of the brazed joint. However, the composition and formation mechanism of this layer remain unclear among researchers. To [...] Read more.
During active brazing of alumina ceramics, active elements react with the ceramic to form a reaction layer, which has significant influence on the mechanical property of the brazed joint. However, the composition and formation mechanism of this layer remain unclear among researchers. To fill this gap, different brazing temperatures (900–1100 °C) and heating rates (2.5 °C/min and 10 °C/min) were used to braze 95% Al2O3 ceramics and a Kovar 4J34 alloy using a Ag-Cu-2Ti active brazing filler, and the microstructure and mechanical properties of the joints were investigated. The results show that the joint could be divided into five layers: Al2O3, ceramic-side reaction layer, filler layer, Kovar-side reaction layer, and Kovar. The ceramic-side reaction layer could be further divided into a Ti-O-rich layer and an intermetallics (IMC)-rich layer, and the Kovar-side reaction layer consists of TiFe2 particles, Ag-Cu eutectic, and the remaining Kovar. A belt-like TiFe2+TiNi3 IMC could be found in the filler layer. Increasing the brazing temperature enlarged the belt-like TiFe2+TiNi3 IMC in the filler layer and increased the thickness of the IMC-rich layer in the ceramic-side reaction layer, but had no significant effect on the thickness of the Ti-O-rich layer in the ceramic-side reaction layer. A lower heating rate (2.5 °C/min) was found to suppress the formation of the IMC-rich layer and shift the fracture location in shear tests from the ceramic-side reaction layer to the filler layer, indicating that the strength of the ceramic-side reaction layer was enhanced by controlling the formation of the IMC-rich layer. A maximum shear strength of 170 ± 61 MPa was obtained at a heating rate of 2.5 °C/min and a brazing temperature of 940 °C. Full article
(This article belongs to the Special Issue Advances in Welding Technology: 2nd Edition)
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