Electron-Beam Technology for High Performance Alloys, Metals and Powders

A special issue of Metals (ISSN 2075-4701). This special issue belongs to the section "Metal Casting, Forming and Heat Treatment".

Deadline for manuscript submissions: closed (31 December 2023) | Viewed by 1382

Special Issue Editors


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Guest Editor
1. Institute of Electronics, Bulgarian Academy of Sciences, 1784 Sofia, Bulgaria
2. Department of Industrial Automation, University of Chemical Technology and Metallurgy, 1756 Sofia, Bulgaria
Interests: electron beam (EB) technologies; EB welding; EB melting and refining; EB lithography; EB additive manufacturing; EB surface modification; EB evaporation and thin layer deposition; EB systems; EB characterization; physics of EB processes; EB equipment; industrial automation; analytical and empirical modelling; simulation and optimization; intelligent methods for data analysis; intelligent systems; industrial process control; quality management; statistics; experimental design; neural networks; robust engineering; industrial IoT
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
Institute of Electronics, Bulgarian Academy of Sciences, 1784 Sofia, Bulgaria
Interests: electron beam technologies; modeling and application of mathematics in physics; interaction of electrons with materials; technology process optimization
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Electron beam technologies are a driving force for technological progress in micro- and nanoelectronics, the development of new advanced materials, the elaboration of new constructions, devices and precision machines, refining of refractory and reactive metals and alloys, metal curing, waste metal recycling, additive building of metal structures, etc. Higher resolution, high energy concentration, the possibility for precise and flexible control and automation, and the vacuum (or atmosphere) environment of the processes determine the implementation of the direct interaction of electron beams with materials in the vast number of industrial applications.

This Special Issue collects papers with the aim to present the state of the art and some of the latest achievements in the field of electron beam process investigation, electron beam process research and development, high-performance alloy, metal, and powder treatment and their material properties, process analyses, application of advanced mathematical methods for modeling and simulation, and integrated and intelligent process control and management. Particularly relevant are papers that investigate and present new technology or application development, implementation of advanced methods or intelligent solutions, present investigations for physical problem technology solutions, and high-performance alloy, metal, and powder presentation after electron beam treatment, as well as the implementation of different approaches for electron beam process modeling and simulation.

Dr. Elena Koleva
Dr. Katia Vutova
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

  • physical problems of electron beam technologies
  • advanced methods for electron beam metal processing 
  • new advanced materials for electron beam treatment 
  • electron beam process modeling and simulation 
  • integrated and advanced electron beam process control and management 
  • high-performance alloy, metal, and powder presentation after electron beam treatment

Published Papers (1 paper)

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Research

16 pages, 7731 KiB  
Article
Process Setup and Boundaries of Wire Electron Beam Additive Manufacturing of High-Strength Aluminum Bronze
by Julius Raute, Max Biegler and Michael Rethmeier
Metals 2023, 13(8), 1416; https://doi.org/10.3390/met13081416 - 8 Aug 2023
Cited by 1 | Viewed by 1095
Abstract
In recent years, in addition to the commonly known wire-based processes of Directed Energy Deposition using lasers, a process variant using the electron beam has also developed to industrial market maturity. The process variant offers particular potential for processing highly conductive, reflective or [...] Read more.
In recent years, in addition to the commonly known wire-based processes of Directed Energy Deposition using lasers, a process variant using the electron beam has also developed to industrial market maturity. The process variant offers particular potential for processing highly conductive, reflective or oxidation-prone materials. However, for industrial usage, there is a lack of comprehensive data on performance, limitations and possible applications. The present study bridges the gap using the example of the high-strength aluminum bronze CuAl8Ni6. Multi-stage test welds are used to determine the limitations of the process and to draw conclusions about the suitability of the parameters for additive manufacturing. For this purpose, optimal ranges for energy input, possible welding speeds and the scalability of the process were investigated. Finally, additive test specimens in the form of cylinders and walls are produced, and the hardness profile, microstructure and mechanical properties are investigated. It is found that the material CuAl8Ni6 can be well processed using wire electron beam additive manufacturing. The microstructure is similar to a cast structure, the hardness profile over the height of the specimens is constant, and the tensile strength and elongation at fracture values achieved the specification of the raw material. Full article
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