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Advances in Titanium and Titanium Alloys: Processing, Properties and Additive Manufacturing

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

Deadline for manuscript submissions: 20 June 2024 | Viewed by 1128

Special Issue Editors


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Guest Editor
Department of Applied Mechanics and Biomechanics, Cracow University of Technology, 31-155 Cracow, Poland
Interests: titanium alloy; surface treatment; biomaterial; solid-state mechanics; microstructure analysis; numerical analysis; micromechanical modelling; composite
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
Department of Material Science, Faculty of Mechanical Engineering and Aeronautics, Rzeszow University of Technology, Powstancow Warszawy 12, 35-959 Rzeszow, Poland
Interests: thermal spraying process; hard coatings; diffusion coating; wear resistant coatings; plasma nitriding and pack boriding processes; coatings properties; superalloys; Intermetallics (TiAl)
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Titanium and its alloys belong to the material groups used in many applications in areas such as automotive, aviation or biomedical engineering. The development of manufacturing technology and engineering indicate the need to develop new materials with better mechanical and functional properties. The advanced design and modeling of new titanium alloys should be carried out with the help of multiscale microstructure analysis including SEM and TEM microscope observations, numerical methods, mechanical experiments, the application of machine learning to the prediction of materials properties, as well as the optimization of process conditions. The application of the mentioned experimental methods should ensure the development of material engineering.

This Special Issue aims to provide an overview of new solutions in the area of processing and additive manufacturing of advanced titanium and its alloys, focusing on their microstructural and mechanical properties.

Dr. Krzysztof Szymkiewicz
Prof. Dr. Marek Goral
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

  • titanium alloy
  • additive manufacturing
  • surface treatment
  • mechanical properties
  • microstructural properties
  • material modelling

Published Papers (1 paper)

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Research

10 pages, 6119 KiB  
Article
Deciphering Hydrogen Embrittlement Mechanisms in Ti6Al4V Alloy: Role of Solute Hydrogen and Hydride Phase
by Tien-Dung Nguyen, Chetan Singh, Dong-Hyun Lee, You Sub Kim, Taeho Lee and Soo Yeol Lee
Materials 2024, 17(5), 1178; https://doi.org/10.3390/ma17051178 - 03 Mar 2024
Cited by 1 | Viewed by 887
Abstract
Ti6Al4V (Ti64) is a versatile material, finding applications in a wide range of industries due to its unique properties. However, hydrogen embrittlement (HE) poses a challenge in hydrogen-rich environments, leading to a notable reduction in strength and ductility. This study investigates the complex [...] Read more.
Ti6Al4V (Ti64) is a versatile material, finding applications in a wide range of industries due to its unique properties. However, hydrogen embrittlement (HE) poses a challenge in hydrogen-rich environments, leading to a notable reduction in strength and ductility. This study investigates the complex interplay of solute hydrogen (SH) and hydride phase (HP) formation in Ti64 by employing two different current densities during the charging process. Nanoindentation measurements reveal distinct micro-mechanical behavior in base metal, SH, and HP, providing crucial insights into HE mechanisms affecting macro-mechanical behavior. The fractography and microstructural analysis elucidate the role of SH and HP in hydrogen-assisted cracking behaviors. The presence of SH heightens intergranular cracking tendencies. In contrast, the increased volume of HP provides sites for crack initiation and propagation, resulting in a two-layer brittle fracture pattern. The current study contributes to a comprehensive understanding of HE in Ti6Al4V, essential for developing hydrogen-resistant materials. Full article
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