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Metals
Special Issues
Technology of Welding and Joining 2021
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Technology of Welding and Joining 2021

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

Deadline for manuscript submissions: closed (31 January 2022) | Viewed by 4277

Special Issue Editors

Prof. Dr. Tomasz Węgrzyn

E-Mail Website
Guest Editor
Department of Automotive Vehicle Service, Silesian University of Technology, 40-019 Katowice, Poland
Interests: welding; joining; brazing; soldering; cutting; overlay welding; surfacing; cladding; thermal spraying; resistance welding; solid state welding; welding with micro-jet cooling
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Bożena Szczucka-Lasota

E-Mail Website
Guest Editor
Department of Logistics and Transport Technology, Faculty of Transport and Aviation Engineering, Silesian University of Technology, Krasińskiego 8, 40-019 Katowice, Poland
Interests: welding technology; materials structure; coatings; new materials, micro-jet cooling
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Welding technology is constantly improving. New welding processes and welding methods are emerging. For example, the use of micro-jet cooling in the welding of various grades of steel and aluminum alloys has recently been observed. New welding processes allow the structure of the joint to be controlled and thus have an impact on the material properties. New types of materials are emerging for which the most appropriate welding technologies have not yet been developed. With a view to new welding products, we offer this Special Issue entitled "Technology of Welding and Joining 2021". The purpose of this Special Issue is to organize information about new construction materials and the possibility of their correct welding, taking into account existing welding technologies and new ones.

Prof. Dr. Tomasz Węgrzyn
Prof. Dr. Bożena Szczucka-Lasota
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

  • welding
  • joining
  • brazing
  • soldering
  • cutting
  • overlay welding
  • surfacing
  • cladding
  • thermal spraying
  • resistance welding
  • solid state welding
  • welding with micro-jet cooling

Published Papers (1 paper)

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Research

11 pages, 51149 KiB  
Article
Fatigue Behavior of Laser-Cut Sheet Metal Parts with Brazed-On Elements
by André Till Zeuner, Robert Kühne, Christiane Standke, David Köberlin, Thomas Wanski, Sebastian Schettler, Uwe Füssel and Martina Zimmermann
Metals 2021, 11(12), 2063; https://doi.org/10.3390/met11122063 - 20 Dec 2021
Cited by 1 | Viewed by 3057
Abstract
Laser cutting is used in the production of formed sheet metal components. However, the cyclic load capacity is reduced compared to other subtractive processes. Laser cutting results in a significant loss of fatigue strength; however, thermal joining has its own effect on the [...] Read more.
Laser cutting is used in the production of formed sheet metal components. However, the cyclic load capacity is reduced compared to other subtractive processes. Laser cutting results in a significant loss of fatigue strength; however, thermal joining has its own effect on the cyclic load capacity. Accordingly, brazing causes a significant reduction in the mechanical strength. However, the open question is what consequences a combination of both processes may have on the overall fatigue strength of sheet metals. Laser-cut samples of AISI 304 with and without a brazed-on element were investigated for their microstructure and mechanical properties. The brazing process was found to have an annealing effect on the microstructure. It was further observed that the fatigue behavior of brazed specimens is dominated by inhomogeneities at the surface of the filler metal fillet located in the geometric notch of the brazed joint. Fatigue strength decreased by almost 50% compared to as-cut specimens. As long as no shared diffusion zone is formed between the laser-cut and the brazed joint, the use of laser cutting for the production of such components appears to be reasonable and does not further contribute to the loss of cyclic strength. Full article
(This article belongs to the Special Issue Technology of Welding and Joining 2021)
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