Exceptional high-temperature oxidation resistance and mechanisms of a novel chemically complex intermetallic alloy

Jinxiong Hou; Jie Gan; Wanpeng Li; Hongzhou Tian; Xier Luo; Jiang Ju; Yinghao Zhou; Shaofei Liu; Hongwei Yao; Zhenghao Chen; Tao Yang

doi:10.1016/j.corsci.2023.111607

Author(s)

Jinxiong Hou
Hongzhou Tian
Jiang Ju
Yinghao Zhou
Hongwei Yao
Zhenghao Chen

Related Research Unit(s)

Detail(s)

Original language	English
Article number	111607
Journal / Publication	Corrosion Science
Volume	225
Online published	16 Oct 2023
Publication status	Published - Dec 2023

Link(s)

DOI	DOI https://doi.org/10.1016/j.corsci.2023.111607 Final Published version
	Check@CityULib
Link to Scopus	https://www.scopus.com/record/display.uri?eid=2-s2.0-85174324129&origin=recordpage
Permanent Link	https://scholars.cityu.edu.hk/en/publications/publication(4c65ff7d-8ab8-41f0-9542-e7d3ec72a677).html

Abstract

A novel chemically complex intermetallic alloy (CCIMA) dominated with an ordered L1₂ structure was designed based on the multicomponent Ni-Co-Cr-Al-Mo-Ti-Ta-Nb-B system. Its oxidation behaviors and underlying mechanisms were systematically investigated. Oxidation at 900 ℃ and 1000 ℃ results in the formation of main multicomponent spinel oxides in the outmost layer, spinel oxides containing rutile-type oxides and boron oxides in the intermediate layer, and continuous Al₂O₃ in the inner layer. Furthermore, oxidation leads to phase transformation from L1₂ to D0₂₄ at the matrix/oxide layer interface due to Al-depletion. The continuously formed inner Al₂O₃ oxides have well protected the alloy from oxidizing. © 2023 Elsevier Ltd. All rights reserved.

Research Area(s)

Intermetallic alloys, Microstructures, Oxidation mechanisms, Oxidation resistance

Citation Format(s)

[ RIS ] [ BibTeX ]

Exceptional high-temperature oxidation resistance and mechanisms of a novel chemically complex intermetallic alloy. / Hou, Jinxiong; Gan, Jie ; Li, Wanpeng et al.
In: Corrosion Science, Vol. 225, 111607, 12.2023.

Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

Hou, J, Gan, J , Li, W, Tian, H, Luo, X, Ju, J, Zhou, Y, Liu, S, Yao, H, Chen, Z & Yang, T 2023, 'Exceptional high-temperature oxidation resistance and mechanisms of a novel chemically complex intermetallic alloy', Corrosion Science, vol. 225, 111607. https://doi.org/10.1016/j.corsci.2023.111607

Hou, J., Gan, J., Li, W., Tian, H., Luo, X., Ju, J., Zhou, Y., Liu, S., Yao, H., Chen, Z., & Yang, T. (2023). Exceptional high-temperature oxidation resistance and mechanisms of a novel chemically complex intermetallic alloy. Corrosion Science, 225, Article 111607. https://doi.org/10.1016/j.corsci.2023.111607

Hou J, Gan J , Li W, Tian H, Luo X, Ju J et al. Exceptional high-temperature oxidation resistance and mechanisms of a novel chemically complex intermetallic alloy. Corrosion Science. 2023 Dec;225:111607. Epub 2023 Oct 16. doi: 10.1016/j.corsci.2023.111607

Hou, Jinxiong ; Gan, Jie ; Li, Wanpeng et al. / Exceptional high-temperature oxidation resistance and mechanisms of a novel chemically complex intermetallic alloy. In: Corrosion Science. 2023 ; Vol. 225.