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Formulation for zirconia toughened alumina (ZTA) reinforced metal matrix composites based on a three-phase concentric inclusion model

Yan, Jiyang; Ma, Lifeng; Wang, Juan

Formulation for zirconia toughened alumina (ZTA) reinforced metal matrix composites based on a three-phase concentric inclusion model Thumbnail


Authors

Jiyang Yan

LIFENG MA Lifeng.Ma@nottingham.ac.uk
Sir Joseph Pope Fellowship

Juan Wang



Abstract

In this paper, a model of a coated inhomogeneous circular inclusion concentrically embedded within a finite matrix is proposed, which is employed to analyze zirconia toughened alumina (ZTA) reinforced metal matrix composites. The general solution is derived based on the equivalent eigenstrain principle and the superposition principle. Then, the model is used to study the influence of the thermal strains due to temperature changes on the stress distribution in the composite. Also, a particular composite, ZTA reinforced high chromium cast iron (HCCI), is exemplified, and the normalized stress distribution is given. In addition, the toughening mechanism associated with the transformation of zirconia is discussed. The above results help to estimate the stress level of ZTA reinforced metal composites. This three-phase concentric inclusion model is expected to be used to the structure design of composite materials.

Journal Article Type Article
Acceptance Date Apr 15, 2023
Online Publication Date Apr 18, 2023
Publication Date 2023-06
Deposit Date Jun 30, 2023
Publicly Available Date Apr 19, 2024
Journal Mechanics of Materials
Print ISSN 0167-6636
Electronic ISSN 1872-7743
Publisher Elsevier BV
Peer Reviewed Peer Reviewed
Volume 181
Article Number 104660
DOI https://doi.org/10.1016/j.mechmat.2023.104660
Keywords Three-phase inhomogeneous concentric inclusion; Finite matrix; Zirconia toughened alumina; Transformation toughening
Public URL https://nottingham-repository.worktribe.com/output/22454016
Publisher URL https://www.sciencedirect.com/science/article/pii/S0167663623001060?via%3Dihub
Additional Information This is a pre-copyedited, author-produced version of an article accepted for publication in Mechanics of Materials. The published version of record Jiyang Yan, Lifeng Ma, Juan Wang, Formulation for zirconia toughened alumina (ZTA) reinforced metal matrix composites based on a three-phase concentric inclusion model, Mechanics of Materials, Volume 181, 2023, 104660 is available online at: https://doi.org/10.1016/j.mechmat.2023.104660

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