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Metals
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Corrosion Fatigue and Fracture Behaviour of Metals in High Temperature...
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Corrosion Fatigue and Fracture Behaviour of Metals in High Temperature Environments

A special issue of Metals (ISSN 2075-4701). This special issue belongs to the section "Metal Failure Analysis".

Deadline for manuscript submissions: closed (30 November 2023) | Viewed by 1037

Special Issue Editors

Dr. Hollie Cockings

E-Mail Website
Guest Editor
Materials Science and Engineering, Faculty of Science and Engineering, Swansea University, Swansea, UK
Interests: high temperature corrosion-fatigue; hot corrosion; oxidation; superalloys; high temperature degradation; sulphidation
Prof. Dr. Mark T. Whittaker

E-Mail Website
Guest Editor
Materials Science and Engineering, Faculty of Science and Engineering, Swansea University, Swansea, UK
Interests: fatigue; creep; thermo-mechanical fatigue (TMF); superalloys; lifing; nickel alloys; titanium alloys
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

High temperature, corrosion-fatigue, and fracture encapsulates the life limiting mechanisms that are present when a material is exposed to the combination of an aggressive environment, high temperature, and static or dynamic loading. From industrial environments to power generation and propulsion systems, these phenomena can significantly limit the performance of a structural metal. Recent advances in experimentation, characterisation, and simulation have allowed for interactions between stress, the environment, and microstructure to be explored, which is key to the lifetime and damage tolerance of in-service materials, and to the development of novel technologies and new alloy systems.

This Special Issue aims to collate the current state of the art in understanding and methodologies, providing the necessary tools to perform structural integrity and lifetime prediction for metals experiencing high-temperature corrosion and/or oxidation under any loading type. Researchers are, therefore, invited to provide original contributions in this field, highlighting the influence of factors, such as environmental variables, temperature and loading condition, as well as observations and improvements offered by microstructure, composition, and surface state.

Dr. Hollie Cockings
Prof. Dr. Mark T. Whittaker
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

  • high temperature corrosion fatigue
  • hot corrosion
  • oxidation
  • high temperature degradation
  • fatigue
  • stress corrosion cracking

Published Papers (1 paper)

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Research

11 pages, 6821 KiB  
Communication
Design of Near α-Ti Alloys with Optimized Mechanical and Corrosion Properties and Their Characterizations
by Xi-Long Ma, Kazuhiro Matsugi and Ye Liu
Metals 2024, 14(1), 81; https://0-doi-org.brum.beds.ac.uk/10.3390/met14010081 - 10 Jan 2024
Viewed by 703
Abstract
The designed alloy Ti-10.56%Al-2.08%Zr-0.80%Sn-0.88%Mo-0.51%Si (mol%), modified alloy Ti-10.81%Al-4.80%Zr-1.23%Sn-0.76%Cu-0.35%Si (mol%) and reference alloy Ti-10.52%Al-2.07%Zr-1.1%Sn-0.2%Mo-0.76%Si (mol%) with the same bond order (Bot) value of 3.49 and different d-orbital energy level (Mdt) values of 2.43, 2.42 and 2.42 were proposed [...] Read more.
The designed alloy Ti-10.56%Al-2.08%Zr-0.80%Sn-0.88%Mo-0.51%Si (mol%), modified alloy Ti-10.81%Al-4.80%Zr-1.23%Sn-0.76%Cu-0.35%Si (mol%) and reference alloy Ti-10.52%Al-2.07%Zr-1.1%Sn-0.2%Mo-0.76%Si (mol%) with the same bond order (Bot) value of 3.49 and different d-orbital energy level (Mdt) values of 2.43, 2.42 and 2.42 were proposed and their mechanical and corrosion properties were compared in the present study. The ultimate tensile strength (σUTS) and fracture strain (ɛf) values of the three near α-Ti alloys at both as-cast and solution-treated conditions were 989 and 1118 MPa and 11.6% and 3.4% for the designed alloy, 993 and 1354 MPa with 13.5% and 2.3% for the modified alloy and 991 and 1238 MPa with 12.7% and 3.1% for the reference alloy, respectively. The thickness of corrosion layers of the solution-treated designed, modified and reference near α-Ti alloys after immersion in hot salts for 28.8 ks were measured at 3.06, 3.68 and 4.89 µm. The comparable mechanical properties and improved hot salt corrosion resistance ability of designed and modified alloys compared to those of the reference alloy were obtained by considering their Bot and Mdt values; this might lead to the development of alternative near α-Ti alloys to conventional materials. Full article
(This article belongs to the Special Issue Corrosion Fatigue and Fracture Behaviour of Metals in High Temperature Environments)
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