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Processes
Special Issues
Manufacturing and Processing of Alloys
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Manufacturing and Processing of Alloys

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

Deadline for manuscript submissions: closed (30 September 2023) | Viewed by 3469

Special Issue Editor

Dr. Taeseon Lee

E-Mail Website
Guest Editor
Department of Mechanical Engineering, Incheon National University, Incheon 22012, Republic of Korea
Interests: novel manufacturing processes; material processing; structural alloys; welding

Special Issue Information

Dear Colleagues,

As the demands for weight reduction and greater mechanical properties are increasing, numerous advanced structural alloys have been developed, and the materials processing technology is also requiring continuous enhancement.

This Special Issue is devoted to introducing the recent development and optimization of manufacturing processes, and to addressing the current issues in the processing of structural alloys. The research articles are expected to report the state-of-the-art applications of manufacturing processes, and to contribute to the understanding of the fundamental principles associated with them.

Topics including, but not limited to, process development, material characterization, inspection techniques, modeling, and optimum design are of special interest. Original research articles, short communications, and reviews are welcome. I look forward to receiving your contributions.

Dr. Taeseon Lee
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. 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

  • material processing
  • novel manufacturing processes
  • material processing
  • structural alloys
  • metal forming
  • welding and joining

Published Papers (2 papers)

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Research

14 pages, 3526 KiB  
Article
Approach towards a Quality Assurance System for Wire and Arc Additive Manufacturing
by Daniel Baier, Tobias Weckenmann, Siegfried Baehr and Michael F. Zaeh
Processes 2023, 11(2), 612; https://doi.org/10.3390/pr11020612 - 17 Feb 2023
Viewed by 1656
Abstract
Wire and Arc Additive Manufacturing (WAAM) of Ti-6Al-4V is becoming increasingly important in the aerospace industry for the production of large parts. Due to the high welding requirements of the material, high quality demands are placed on the process. To meet these high [...] Read more.
Wire and Arc Additive Manufacturing (WAAM) of Ti-6Al-4V is becoming increasingly important in the aerospace industry for the production of large parts. Due to the high welding requirements of the material, high quality demands are placed on the process. To meet these high demands, quality assurance measures are applied to maintain mechanical and geometrical part properties. First, the interlayer temperatures that are applied influence the final geometry. The part must meet geometric accuracies in order to be machined after the WAAM process. Second, Ti-6Al-4V materials have a high affinity to absorb oxygen from the environment at elevated temperatures. This oxygen uptake results in a discoloration of the surface and an embrittlement of the material. Therefore, a defined and monitored oxygen content in the build chamber is crucial. This work presents an approach to determine limitations for the interlayer temperature of the part and the oxygen content in the build chamber. The influence of a temperature deviating from the set interlayer temperature on the layer width was analyzed. By varying the interlayer temperature, the layer width varied by up to 3 mm. It was shown that different restrictions for the oxygen content in the build chamber apply depending on the part size. Full article
(This article belongs to the Special Issue Manufacturing and Processing of Alloys)
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14 pages, 7677 KiB  
Article
Numerical Simulation and Process Optimization of Magnesium Alloy Vehicle Dashboard Cross Car Beam (CCB) Based on MAGMA
by Jiquan Li, Long Chen, Shaofei Jiang, Huiqi Gan and Weina Hao
Processes 2023, 11(1), 16; https://doi.org/10.3390/pr11010016 - 22 Dec 2022
Cited by 1 | Viewed by 1460
Abstract
At present, the qualified rate of large thin-walled magnesium alloy castings is low. In this study, the effects of mold structure and process parameters were investigated to improve the production qualification rate of castings. The filling process of die castings was simulated by [...] Read more.
At present, the qualified rate of large thin-walled magnesium alloy castings is low. In this study, the effects of mold structure and process parameters were investigated to improve the production qualification rate of castings. The filling process of die castings was simulated by numerical simulation technology to optimize their structure. On the basis of an optimized mold structure, the process parameters of die castings were optimized using a response surface model, and a group of optimal process combinations were obtained: pouring temperature—660 °C; mold preheating temperature—200 °C; injection speed—6.5 m/s. The rationality of the optimized mold structure and process parameters is verified by die-casting experiments. The results show that the optimized mold structure and process parameters can effectively reduce the internal shrinkage cavity casting defects of automotive CCB castings, and effectively improve the production qualification rate of magnesium alloy CCB castings. This research has important guiding significance for the production of large thin-walled magnesium alloy parts. Full article
(This article belongs to the Special Issue Manufacturing and Processing of Alloys)
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