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Metals
Special Issues
Brazing and Diffusion Welding of New Materials and Dissimilar Materials
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Brazing and Diffusion Welding of New Materials and Dissimilar Materials

A special issue of Metals (ISSN 2075-4701).

Deadline for manuscript submissions: 20 June 2025 | Viewed by 689

Special Issue Editor

Dr. Xiangzhao Zhang

E-Mail Website
Guest Editor
School of Materials Science and Engineering, Jiangsu University, Zhenjiang 212013, China
Interests: metal/ceramic wetting and brazing; heterogeneous interface construction and simulation; functional device fabrication and performance study

Special Issue Information

Dear Colleagues,

We are proud to introduce our upcoming Special Issue of Metals, entitled “Brazing and Diffusion Welding of New Materials and Dissimilar Materials”. The development and applications of new materials and the joining of dissimilar materials are critical in advancing technology, across various industries. Brazing and diffusion welding are two prominent techniques that have shown significant potential in achieving strong, reliable joints in these challenging scenarios. This Special Issue will serve as a platform to explore novel bonding techniques and discuss evolving interfacial behaviors and strengths in this field.

For this Special Issue, we will welcome a diverse range of studies on wetting, brazing, and diffusion wetting processes in new materials. Studies on DFT calculations for the corresponding interfaces would also fall within the scope of this Special Issue.

Dr. Xiangzhao Zhang
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

  • wetting
  • brazing
  • interface
  • DFT calculation
  • coating
  • microstructure
  • shear strength

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Published Papers (1 paper)

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Research

14 pages, 5833 KiB  
Article
Performance of the GH4169 Joint Using a Novel Ni-Based Amorphous Brazing Filler Metal
by Xiaohong Yang, Kaitao Zhu, Dan Huang and Lin Yang
Metals 2024, 14(11), 1274; https://doi.org/10.3390/met14111274 - 9 Nov 2024
Viewed by 469
Abstract
A novel Ni-Cr-Si-B filler metal (JNi-5) was designed and further fabricated into the amorphous brazing filler metal for joining the GH4169 alloy. The effect of brazing temperature on the microstructure and mechanical properties of GH4169 joints was investigated. The typical microstructure of the [...] Read more.
A novel Ni-Cr-Si-B filler metal (JNi-5) was designed and further fabricated into the amorphous brazing filler metal for joining the GH4169 alloy. The effect of brazing temperature on the microstructure and mechanical properties of GH4169 joints was investigated. The typical microstructure of the joint at 1030 °C is composed of four specific zones: the base metal (BM), heat-affected zone (HAZ), isothermal solidification zone (ISZ), and athermal solidification zone (ASZ). The typical microstructure of the joint is GH4169/(Nb, Mo)-rich boride+(Cr, Nb, Mo)-rich boride/γ(Ni)/Ni-rich boride+γ(Ni)/γ(Ni)/(Cr, Nb, Mo)-rich boride+(Nb, Mo)-rich boride/GH4169. As the temperature increased, the HAZ continued to widen and the ASZ depleted at 1090 °C and 1120 °C. Additionally, the borides within the HAZ coarsened at temperatures of 1090 °C and 1120 °C. At 1030 °C, the fracture path is in the ASZ, and the existence of the brittle phase in the ASZ provides the potential origin for crack growth. The fracture mode is a quasi-cleavage fracture. At 1060 °C, 1090 °C, and 1120 °C, the fracture behavior mainly happened in the HAZ, and the existence of borides in the HAZ provides the potential origin for crack growth. Namely, the shear strength of joints was principally dominated by the brittle precipitations in the HAZ. The fracture mode of these joints is the hybrid ductile. At 1060 °C, the shear strength of the obtained joint is the highest value (693.78 MPa) due to the volume fraction increase in the Ni-based solid solution. Finally, the optimized brazing parameter of 1060 °C/10 min was determined, and the corresponding highest shear strength of 693.78 MPa was obtained owing to the increased content of the Ni-based solid solution in the joint. Full article
(This article belongs to the Special Issue Brazing and Diffusion Welding of New Materials and Dissimilar Materials)
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