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| Title: | Corrosion characteristics of single-phase Ti-V-Cr-Al multi-principal element alloy |
| Authors: | Girish Khanna R. Singh, Mayank K. Soni, Vartika Rai, Dhirendra Kumar Samal, Sumanta |
| Keywords: | Passivation resistance;Polarization;Single phase B2 multi-principal element alloy;XPS analysis |
| Issue Date: | 2026 |
| Publisher: | Elsevier B.V. |
| Citation: | Girish Khanna, R., Singh, M. K., Soni, V., Rai, D. K., & Samal, S. (2026). Corrosion characteristics of single-phase Ti-V-Cr-Al multi-principal element alloy. Applied Surface Science, 723. https://doi.org/10.1016/j.apsusc.2025.165673 |
| Abstract: | The experimental studies of corrosion on bulk lightweight single-phase B2 Ti<inf>25</inf>V<inf>25</inf>Cr<inf>25</inf>Al<inf>25</inf> multi-principal element alloy (MPEA) have been performed. This MPEA has superior resistance to corrosion in 0.6 M sulphuric acid solution, showing the lowest corrosion rate of 0.0052 mmpy. The studied MPEA shows good polarization resistances of 1.125E4 Ω.cm2, 5.398E3 Ω.cm2, and 4.929E3 Ω.cm2 in 1.2 M H<inf>2</inf>SO<inf>4</inf> for different time periods of 12, 24, 48 h, exhibiting its superior pitting corrosion resistance. A higher passive window and corrosion resistance are achieved due to the mixed combination of metal, metal oxides and carbides in the passive film of this MPEA as found by X-ray Photoelectron Spectroscopy (XPS) analysis. © 2025 Elsevier B.V. |
| URI: | https://dx.doi.org/10.1016/j.apsusc.2025.165673 https://dspace.iiti.ac.in:8080/jspui/handle/123456789/17654 |
| ISBN: | 873392558 |
| ISSN: | 0169-4332 |
| Type of Material: | Journal Article |
| Appears in Collections: | Department of Metallurgical Engineering and Materials Sciences |
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