Advanced Ti-Based Alloys and Ti-Based Materials

A special issue of Metals (ISSN 2075-4701). This special issue belongs to the section "Metallic Functional Materials".

Deadline for manuscript submissions: 27 November 2025 | Viewed by 61

Special Issue Editors


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Guest Editor
Departamento de Ingeniería Metalúrgica y Materiales, Universidad Técnica Federico Santa María, Valparaíso 2390123, Chile
Interests: Ti-based alloys; thermodynamics; powder metallurgy; X-ray diffraction profile analysis
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Guest Editor
Instituto de Investigación en Metalurgia y Materiales, Universidad Michoacana de San Nicolás de Hidalgo, Edificio U, Av. Francisco J. Múgica s/n, Morelia C.P. 58030, Mexico
Interests: Ti-based alloys; transmission electron microscopy; tribology

Special Issue Information

Dear Colleagues,

Titanium and Ti-based alloys are widely used in engineering applications, such as in the aerospace, biomedical, chemical, and nuclear industries, because they have a high strength to weight ratio, excellent corrosion resistance, and negligible biological impact on the human body. In the aerospace field, it is forecasted that the use of Ti-based alloys per plane should be increasing within the next year due to their high creep and oxidation resistance, good formability, and good strength/density ratio. In the biomedical area, the use of Ti-based alloys will be increasing because they exhibit only a slight biological impact on the human body, resulting in increases in human life expectancy. This Special Issue focuses on the research and development of Ti-based alloys and considers a wide range of topics stemming from the design theory of new alloys to applications.

Prof. Dr. Claudio Aguilar
Prof. Dr. Ariosto Medina
Guest Editors

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Keywords

  • Ti-based alloys
  • processing methods
  • microstructure
  • characterization of properties
  • theory
  • modeling and simulating

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Published Papers (1 paper)

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Research

11 pages, 5112 KiB  
Article
Fabrication of a Porous TiNi3 Intermetallic Compound to Enhance Anti-Corrosion Performance in 1 M KOH
by Zhenli He, Yue Qiu, Yuehui He, Qian Zhao, Zhonghe Wang and Yao Jiang
Metals 2025, 15(8), 865; https://doi.org/10.3390/met15080865 (registering DOI) - 1 Aug 2025
Abstract
Porous intermetallic compounds have the properties of porous materials as well as a combination of covalent and metallic bonds, and they exhibit high porosity, structural stability, and corrosion resistance. In this work, a porous TiNi3 intermetallic compound was fabricated through reactive synthesis [...] Read more.
Porous intermetallic compounds have the properties of porous materials as well as a combination of covalent and metallic bonds, and they exhibit high porosity, structural stability, and corrosion resistance. In this work, a porous TiNi3 intermetallic compound was fabricated through reactive synthesis of elemental powders. Next, detailed studies of its phase composition and pore structure characteristics at different sintering temperatures, as well as its corrosion behavior against an alkaline environment, were carried out. The results show that the as-prepared porous TiNi3 intermetallic compound has abundant pore structures, with an open porosity of 56.5%, which can be attributed to a combination of the bridging effects of initial powder particles and the Kirkendall effect occurring during the sintering process. In 1 M KOH solution, a higher positive corrosion potential (−0.979 VSCE) and a lower corrosion current density (1.18 × 10−4 A∙cm−2) were exhibited by the porous TiNi3 intermetallic compound, compared to the porous Ni, reducing the thermodynamic corrosion tendency and the corrosion rate. The corresponding corrosion process is controlled by the charge transfer process, and the increased charge transfer resistance value (713.9 Ω⋅cm2) of TiNi3 makes it more difficult to charge-transfer than porous Ni (204.5 Ω⋅cm2), thus decreasing the rate of electrode reaction. The formation of a more stable passive film with the incorporation of Ti contributes to this improved corrosion resistance performance. Full article
(This article belongs to the Special Issue Advanced Ti-Based Alloys and Ti-Based Materials)
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