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Microstructural evolution of MCrAlX-coated Ni-based superalloy systems

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thesis
posted on 19.11.2014, 12:39 by Xin J. Yan
Industrial gas turbine blades are typically made from coated Ni-based superalloys for power generation plant. The operation environments for these blades are very aggressive, comprising high temperatures (> 900°C) and potential chemical contaminants leading to oxidation and corrosion. An MCrAlX (where M is Ni and/or Co) coating is usually applied directly on the top of the alloy surface and forms an oxide scale (typically alumina) that can protect the substrate against further oxidation. However, it is widely accepted that the current generation of MCrAlX coatings only provide limited protection and need significant improvement. [Continues.]

Funding

EPSRC

History

School

  • Aeronautical, Automotive, Chemical and Materials Engineering

Department

  • Materials

Publisher

Loughborough University

Rights holder

© Xin Jie Yan

Publisher statement

This work is made available according to the conditions of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0) licence. Full details of this licence are available at: https://creativecommons.org/licenses/by-nc-nd/4.0/

Publication date

2014

Notes

A Doctoral Thesis. Submitted in partial fulfilment of the requirements for the award of Doctor of Philosophy of Loughborough University.

Language

en

Supervisor(s)

R. Thomson ; G. West

Qualification name

PhD

Qualification level

Doctoral

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