Advanced Welding and Additive Manufacturing Processes of Metallic Materials

A special issue of Processes (ISSN 2227-9717). This special issue belongs to the section "Manufacturing Processes and Systems".

Deadline for manuscript submissions: 20 July 2025 | Viewed by 1716

Special Issue Editors

Department of Civil and Environmental Engineering, The Hong Kong Polytechnic University, Hong Kong 999077, China
Interests: friction welding; cold spray; fatigue; mechanical property; FEM simulation

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Guest Editor
Joining and Welding Research Institute, Osaka University, Osaka 565-0871, Japan
Interests: cold spray; laser; brazing; additive manufacturing; large deformation; grain refinement; mechanical property; modeling
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
College of Civil Engineering, Nanjing Forestry University, Nanjing 210037, China
Interests: welding; fatigue; damage assessment; FEM analysis

Special Issue Information

Dear Colleagues,

Welding and additive manufacturing (AM) are pivotal technologies in modern manufacturing, from engineering structures such as buildings, bridges, and wind farms to machineries such as automobiles, ships, and aircrafts. To serve as driving forces of Industry 4.0, a number of advanced welding and AM processes have been proposed by innovations in energy sources, formation mechanisms, processing history, etc. These advancements in welding and AM can deliver better mechanical properties, higher efficiency, and favorable flexibility, thus contributing to superior structural integrity in manufacturing.

This Special Issue on “Advanced Welding and Additive Manufacturing Processes of Metallic Materials” seeks high quality works that focus on the latest advanced welding and additive manufacturing processes of metallic materials. Topics include, but are not limited to, the following:

  • Advanced welding / additive manufacturing technologies;
  • Welding / additive manufacturing of metallic materials;
  • Microstructure characterization and formation mechanism;
  • Microstructure–mechanical property relationships;
  • Ductile and fatigue damage mechanism;
  • Numerical modeling of physical or metallurgical behaviors;
  • Destructive/non-destructive characterization;
  • Intelligent process monitoring, quality prediction, and control;
  • Post welding / additive manufacturing treatment technology;
  • Future perspectives for welding and additive manufacturing.

Dr. Yixun Wang
Dr. Qian Wang
Dr. Qiudong Wang
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. Processes 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 2400 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
  • additive manufacturing
  • metallic material
  • formation mechanism
  • microstructure characterization
  • mechanical behavior
  • fracture
  • fatigue
  • modeling and simulation

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Published Papers (1 paper)

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Review

23 pages, 8758 KiB  
Review
Towards Strength–Ductility Synergy in Cold Spray for Manufacturing and Repair Application: A Review
by Yixun Wang, Bo Ching Wong, Tak-Ming Chan and Robert Voyle
Processes 2024, 12(10), 2216; https://doi.org/10.3390/pr12102216 - 11 Oct 2024
Viewed by 1342
Abstract
Cold spray is a solid-state additive manufacturing technology and has significant potential in component fabrication and structural repair. However, the unfavourable strength–ductility synergy in cold spray due to the high work hardening, porosity and insufficient bonding strength makes it an obstacle for real [...] Read more.
Cold spray is a solid-state additive manufacturing technology and has significant potential in component fabrication and structural repair. However, the unfavourable strength–ductility synergy in cold spray due to the high work hardening, porosity and insufficient bonding strength makes it an obstacle for real application. In recent years, several methods have been proposed to improve the quality of the cold-sprayed deposits, and to achieve a balance between strength and ductility. According to the mechanism of how these methods work to enhance metallurgical bonding, decrease porosity and reduce dislocation densities, they can be divided into four groups: (i) thermal methods, (ii) mechanical methods, (iii) thermal–mechanical methods and (iv) optimisation of microstructure morphology. A comprehensive review of the strengthening mechanism, microstructure and mechanical properties of cold-sprayed deposits by these methods is conducted. The challenges towards strength–ductility synergy of cold-sprayed deposits are summarised. The possible research directions based on authors’ research experience are also proposed. This review article aims to help researchers and engineers understand the strengths and weaknesses of existing methods and provide pointers to develop new technologies that are easily adopted to improve the strength–ductility synergy of cold-sprayed deposits for real application. Full article
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