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Advances in Additive Manufacturing of Metals, Alloys and Composites
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Advances in Additive Manufacturing of Metals, Alloys and Composites

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Metals and Alloys".

Deadline for manuscript submissions: closed (31 December 2022) | Viewed by 1643

Special Issue Editors

Prof. Dr. Tomasz Czujko

E-Mail Website
Guest Editor
Department of Advanced Materials and Technologies, Faculty of Advanced Technologies and Chemistry, Military University of Technology, Gen. S. Kaliskiego 2, 00-908 Warsaw, Poland
Interests: microstructural characterization; nonferrous alloys (Al, Ti, Mg, etc.); intermetallics; additive manufacturing; hydrogen storage
Special Issues, Collections and Topics in MDPI journals
Dr. Anna Antolak-Dudka

E-Mail Website
Co-Guest Editor
Institute of Materials Science and Engineering, Military University of Technology, Warsaw, Poland
Interests: additive manufacturing; titanium and its alloys; post-processing heat treatment; graded materials; personalized implants; mechanical alloying; powder metallurgy

Special Issue Information

Dear Colleagues,

This Special Issue deals with metallic materials produced by additive manufacturing (AM) such as metals, alloys and metal-matrix composites. The aim of this Special Issue is to cover all the aspects related to recent developments in additive manufacturing including modelling, alloys and process design, structure and properties of AM  materials and post processing treatment. Special emphasis will be placed on the influence of processing parameters on the structure and properties of manufactured metals. Besides, contributions analyzing the effect of post processing heat  treatment and machining on structural, mechanical and chemical properties of fabricated elements  are also appreciated. We intend to include widely understood additive techniques including bed powder and direct deposition methods in this Special Issue.

Therefore, it is our pleasure to invite you to submit a manuscript for this Special Issue. Full papers, communications, and reviews are all welcome.

Prof. Dr. Tomasz Czujko
Dr. Anna Antolak-Dudka
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. Materials is an international peer-reviewed open access semimonthly 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

  • additive manufacturing
  • metals
  • alloys
  • composites
  • microstructure evolution
  • mechanical properties
  • modeling
  • phase transformation
  • post-processing

Published Papers (1 paper)

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Research

15 pages, 6342 KiB  
Article
The Influence of Dimensions and Powder Recycling on the Roughness and Mechanical Properties of Ti-6Al-4V Parts Fabricated by Laser Powder Bed Fusion
by Alejandro Yánez, María Paula Fiorucci, Oscar Martel and Alberto Cuadrado
Materials 2022, 15(16), 5787; https://doi.org/10.3390/ma15165787 - 22 Aug 2022
Cited by 8 | Viewed by 1480
Abstract
Powder bed fusion technology has undergone a remarkable amount of development in recent years in the field of medical implants due to the advantages associated with it. In many implant applications that demand loads in parts with a high degree of roughness and [...] Read more.
Powder bed fusion technology has undergone a remarkable amount of development in recent years in the field of medical implants due to the advantages associated with it. In many implant applications that demand loads in parts with a high degree of roughness and small dimensions, the mechanical properties, especially fatigue properties, play a key role in the success of the implants. One of the most used materials in this field is Ti-6Al-4V. On the other hand, the high cost of titanium powders makes it necessary to search for suitable powder recycling strategies. In this work, the effects of dimensions and powder recycling on the roughness and the mechanical properties of cylinder specimens were obtained from tensile static and fatigue tests of Ti-6Al4V Extra-Low Interstitial (ELI) parts. Four types of specimens were fabricated by laser powder bed fusion (two dimensions (section diameters of 2 mm and 5 mm) with new powder and with recycled powder). Results show that the oxygen concentration increased with recycling. No significant effects of recycling were observed on the monotonic tensile strength specimens. However, specimens fabricated with recycled powder showed greater roughness, lower ductility, and lower fatigue strength than those fabricated with new powder. On the other hand, the 5-mm-diameter specimens showed slightly better fatigue behavior than the 2-mm-diameter ones. Full article
(This article belongs to the Special Issue Advances in Additive Manufacturing of Metals, Alloys and Composites)
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