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Metals
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Research Progress on Joining Dissimilar Material
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Research Progress on Joining Dissimilar Material

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

Deadline for manuscript submissions: closed (30 June 2023) | Viewed by 5023

Special Issue Editor

Dr. Hao Jiang

E-Mail Website
Guest Editor
Department of Mechanical and Vehicle Engineering, Hunan university, Changsha 410000, China
Interests: lightweight of automobile; materials processing; dissimilar material joining; material characterization

Special Issue Information

Dear Colleagues,

Light weight is one of the most effective ways to save energy and reduce the emissions from automobiles and aircrafts and has become the embodiment of the core competitiveness of automobile and aircraft manufacturing enterprises. In order to realize a light weight , various kinds of light and high-strength materials, such as ultra-high-strength steel, light alloys, and fiber-reinforced composite materials, are widely used in the body and fuselage parts of autombiles and aircrafts. There are differences in the physical and chemical properties of the above materials, and it is difficult to achieve a reliable connection by conventional welding techniques. Therefore, it is urgent to introduce advanced joining technology to solve the mixed use problem experienced when using various materials.

This Special Issue aims to collect research progress on advanced joining technology for the automotive and aerospace field, and the scope of the Special Issue mainly surrounds the basic scientific issues and industrial applications of various advanced joining technologies. Specifically, themes of interest for this Special Issue include process parameter and microstructural analysis of the advanced joining technologies of alloys and composites as well as the evaluation of mechanical properties and failure mechanism analysis under the typical working conditions of the various joints.

Dr. Hao Jiang
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. 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

  • dissimilar material
  • light weight
  • advanced joining technology
  • mechanical properties
  • failure analysis

Published Papers (2 papers)

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Review

31 pages, 4323 KiB  
Review
Evaluation of Tungsten—Steel Solid-State Bonding: Options and the Role of CALPHAD to Screen Diffusion Bonding Interlayers
by Ishtiaque Karim Robin, Tim Gräning, Ying Yang, Syeda Bushra Haider, Eric Andrew Lass, Yutai Katoh and Steven John Zinkle
Metals 2023, 13(8), 1438; https://doi.org/10.3390/met13081438 - 10 Aug 2023
Cited by 4 | Viewed by 2254
Abstract
Critical aspects of innovative design in engineering disciplines like infrastructure, transportation, and medical applications require the joining of dissimilar materials. This study investigates the literature on solid-state bonding techniques, with a particular focus on diffusion bonding, as an effective method for establishing engineering [...] Read more.
Critical aspects of innovative design in engineering disciplines like infrastructure, transportation, and medical applications require the joining of dissimilar materials. This study investigates the literature on solid-state bonding techniques, with a particular focus on diffusion bonding, as an effective method for establishing engineering bonds. Welding and brazing, while widely used, may pose challenges when joining materials with large differences in melting temperature and can lead to mechanical property degradation. In contrast, diffusion bonding offers a lower temperature process that relies on solid-state interactions to develop bond strength. The joining of tungsten and steel, especially for fusion reactors, presents a unique challenge due to the significant disparity in melting temperatures and the propensity to form brittle intermetallics. Here, diffusion characteristics of tungsten–steel interfaces are examined and the influence of bonding parameters on mechanical properties are investigated. Additionally, CALPHAD modeling is employed to explore joining parameters, thermal stability, and diffusion kinetics. The insights from this research can be extended to join numerous dissimilar materials for specific applications such as aerospace, automobile industry, power plants, etc., enabling advanced and robust design with high efficiency. Full article
(This article belongs to the Special Issue Research Progress on Joining Dissimilar Material)
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25 pages, 7762 KiB  
Review
Effect of Alloying Elements on Intermetallic Formation during Friction Stir Welding of Dissimilar Metals: A Critical Review on Aluminum/Steel
by Reza Beygi, Ivan Galvão, Alireza Akhavan-Safar, Hesam Pouraliakbar, Vahid Fallah and Lucas F. M. da Silva
Metals 2023, 13(4), 768; https://doi.org/10.3390/met13040768 - 14 Apr 2023
Cited by 23 | Viewed by 2382
Abstract
The main drawback of friction stir welding (FSW) dissimilar metals is the formation of intermetallic compounds (IMCs), which are brittle and affect the strength of the joint. The formation of these compounds is inevitable due to their low enthalpy of formation; however, their [...] Read more.
The main drawback of friction stir welding (FSW) dissimilar metals is the formation of intermetallic compounds (IMCs), which are brittle and affect the strength of the joint. The formation of these compounds is inevitable due to their low enthalpy of formation; however, their emergence is an indication of metallurgical bonding between dissimilar metals. This means that the determining factors of intermetallics should be optimal to ensure the formation of the joint and, at the same time, the performance of the joint. It is known that various parameters such as welding parameters, joint configuration, and tool geometry have an influence on the formation of these compounds. However, the influence of the base metal is not adequately addressed in the literature. The current review paper focuses on intermetallic formation during the friction stir welding of aluminum/steel (Al/St) alloys to explore how the types of alloys affect the thicknesses and morphologies of the intermetallics. Different structural steels and stainless steels were considered to see how they affect intermetallic formation when welded to different types of aluminum alloys. The thicknesses of the IMCs in the FSW of different aluminum/steel alloys were taken from the literature and averaged to provide insight into the contribution of the elements to IMC formation. Thermodynamic and kinetic analyses were used to explain this effect. Finally, the mechanism of intermetallic formation is explained to provide a useful guide for selecting dissimilar metals for welding using friction stir welding. Full article
(This article belongs to the Special Issue Research Progress on Joining Dissimilar Material)
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