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The mechanics of interface fracture in layered composite materials: (6) spallation of thermal barrier coatings of turbine blades

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conference contribution
posted on 23.06.2017 by Bo Yuan, Christopher Harvey, Rachel Thomson, Gary Critchlow, Simon Wang
It is consensus that local spallation failures in thermal barrier coatings (TBCs) are determined synergistically by many factors. The present experimental test results confirm a completely new spallation failure mechanism for the electron beam-physical vapour deposited (EB-PVD) TBCs on engine turbine blades, which is hypothesized in the latest work [1, 2] for the study of thin film spallation. That is, the spallation is driven by pockets of energy concentration (PEC). This paper reports the experimental study.

History

School

  • Aeronautical, Automotive, Chemical and Materials Engineering

Department

  • Aeronautical and Automotive Engineering

Published in

21st International Conference on Composite Materials

Citation

YUAN, B. ... et al, 2017. The mechanics of interface fracture in layered composite materials: (6) spallation of thermal barrier coatings of turbine blades. 21st International Conference on Composite Materials (ICCM-21), Xi'an, China, 20th-25th August 2017.

Publisher

Chinese Society for Composite Materials

Version

AM (Accepted Manuscript)

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/

Acceptance date

20/04/2017

Publication date

2017

Notes

This is a conference paper.

Publisher version

Language

en

Location

Xi'an, China

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