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Journals
Metals
Special Issues
Advanced Machining of Aerospace Materials
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Advanced Machining of Aerospace Materials

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

Deadline for manuscript submissions: closed (28 February 2022) | Viewed by 5508

Special Issue Editors

Prof. Dr. Jorge Salguero

E-Mail Website
Guest Editor
School of Engineering, Department of Mechanical Engineering and Industrial Design, University of Cadiz. Adv. Universidad de Cadiz 10, E11519 Puerto Real, Spain
Interests: abrasive waterjet; surface quality; hybrid structure; surface texturing; machining; geometric defects
Special Issues, Collections and Topics in MDPI journals
Dr. Juan Manuel Vazquez Martinez

E-Mail Website
Guest Editor
School of Engineering, Department of Mechanical Engineering and Industrial Design, University of Cadiz. Adv. Universidad de Cadiz 10, E11519 Puerto Real, Spain
Interests: tribology; surface modification; mechanical behavior of materials; surface characterization; laser surface texturing; metrology; machining; manufacturing processes
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The aerospace industry is continuously immersed in processes of innovation and improvement of manufacturing processes. In recent years, the use of advanced materials, such as composites, light alloys, or superalloys, with their excellent properties and relatively low weight, have allowed the reduction of energy consumption, improving the sustainability of the manufacturing. However, some properties of these materials can make them difficult to machine, decreasing process performance. In particular, the combination of materials with very different natures shows high complexity during machining processes. The necessity to comply with rigorous requirements are driving the use of non-conventional machining techniques based on emerging technologies.

The main objective of this Special Issue is to publish outstanding papers presenting cutting-edge advances in the field of advanced machining of aerospace materials. The main topics covered by this Special Issue are based on the following research topics:

- High-efficiency machining processes

- Conventional and non-conventional machining processes

- Efficient machining of complex materials

- Innovations in machining methods (Tools, characterization, etc.)

- Hybrid stacks (Composite – Metals) machining

- Improvement of the performance of the machining process

- Manufacturing of complex parts with lightweight materials

- Multifunctional machining processes for aeronautical applications

- Advanced metrological evaluation of aerospace machined parts

- Improvement of sustainability of machining processes

- Impact of the damages of machining on lightweight materials

- Surface modification by machining processes on aerospace materials

Prof. Dr. Jorge Salguero
Prof. Dr. Juan Manuel Vazquez Martinez
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

  • Aerospace materials
  • Advanced machining processes
  • High performance machining
  • Lightweight materials
  • Hybrid stacks (Composite-metal) machining
  • Metrological evaluation of machined parts

Published Papers (2 papers)

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Research

14 pages, 3100 KiB  
Article
Tribological Wear Effects of Laser Texture Design on AISI 630 Stainless Steel under Lubricated Conditions
by Jorge Salguero, Irene Del Sol, Guzman Dominguez, Moises Batista and Juan Manuel Vazquez-Martinez
Metals 2022, 12(4), 543; https://doi.org/10.3390/met12040543 - 23 Mar 2022
Cited by 4 | Viewed by 2154
Abstract
Surface texturing is used in many applications to control the friction and wear behaviour of mechanical components. The benefits of texture design on the tribological behaviour of conformal surfaces are well known. However, there is a big dependency between the geometrical features of [...] Read more.
Surface texturing is used in many applications to control the friction and wear behaviour of mechanical components. The benefits of texture design on the tribological behaviour of conformal surfaces are well known. However, there is a big dependency between the geometrical features of the texture and the texture’s performance. In this paper, the effect of laser texturing parameters on textured geometrical features is studied, as well as its role in the tribological behaviour of AISI 630 steel under lubrication and high-contact pressure conditions. The results show a linear impact of the energy density on the surface quality, whereas the scanning speed influences the homogeneity of the sample. Nevertheless, the surface integrity is also affected by the laser parameters, reducing the micro-hardness on the textured area by up to 33%. Friction coefficient average values and stability presented high variations depending on the sample parameters. Finally, the wear mechanisms were analysed, detecting abrasion for the disc and adhesion for the pin. Full article
(This article belongs to the Special Issue Advanced Machining of Aerospace Materials)
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17 pages, 5378 KiB  
Article
Experimental Investigation on Silicon Powder Mixed-EDM of Nimonic-90 Superalloy
by Aiyeshah Alhodaib, Pragya Shandilya, Arun Kumar Rouniyar and Himanshu Bisaria
Metals 2021, 11(11), 1673; https://doi.org/10.3390/met11111673 - 20 Oct 2021
Cited by 22 | Viewed by 2526
Abstract
Powder mixed electrical discharge machining (PM-EDM) is a technological advancement in electrical discharge machining (EDM) processes where fine powder is added to dielectric to improve the machining rate and surface quality. In this paper, machining of Nimonic-90 was carried out using fabricated PM-EDM, [...] Read more.
Powder mixed electrical discharge machining (PM-EDM) is a technological advancement in electrical discharge machining (EDM) processes where fine powder is added to dielectric to improve the machining rate and surface quality. In this paper, machining of Nimonic-90 was carried out using fabricated PM-EDM, setup by adding silicon powder to kerosene oil. The influence of four input process parameters viz. powder concentration (PC), discharge current (IP), spark on duration (SON), and spark off duration (SOFF) has been investigated on surface roughness and recast layer thickness. L9 Taguchi orthogonal and grey relational analysis have been employed for experimental design and multi-response optimization, respectively. With the addition of silicon powder to kerosene oil, a significant decrease in surface roughness and recast layer thickness was noticed, as compared to pure kerosene. Spark on duration was the most significant parameter for both surface roughness and the recast layer thickness. The minimum surface roughness (3.107 µm) and the thinnest recast layer (14.926 μm) were obtained at optimum process parameters i.e., PC = 12 g/L, IP = 3 A, SON = 35 μs, and SOFF = 49 μs using grey relational analysis. Full article
(This article belongs to the Special Issue Advanced Machining of Aerospace Materials)
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