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research-article

Molten Particulate Impact on Tailored Thermal Barrier Coatings for Gas Turbine Engine

[+] Author and Article Information
Anindya Ghoshal

U.S. Army Research Laboratory, Aberdeen Proving Ground, MD, 21005
anindya.ghoshal.civ@mail.mil

Muthuvel Murugan

U.S. Army Research Laboratory, Aberdeen Proving Ground, MD, 21005
muthuvel.murugan.civ@mail.mil

Michael Walock

U.S. Army Research Laboratory, Aberdeen Proving Ground, MD, 21005
michael.j.walock.civ@mail.mil

Andy Nieto

U.S. Army Research Laboratory, Aberdeen Proving Ground, MD, 21005
andy.nieto2.ctr@mail.mil

Blake Barnett

U.S. Army Research Laboratory, Aberdeen Proving Ground, MD, 21005
blake.d.barnett.civ@mail.mil

Marc Pepi

U.S. Army Research Laboratory, Aberdeen Proving Ground, MD, 21005
marc.s.pepi.civ@mail.mil

Jeffrey/J Swab

U.S. Army Research Laboratory, Aberdeen Proving Ground, MD, 21005
jeffrey.j.swab.civ@mail.mil

Dongming Zhu

NASA Glenn Research Center, Cleveland, OH
dongming.zhu@nasa.gov

Kevin Kerner

Aviation Development Directorate, AMRDEC, Fort Eustis, VA 23604
kevin.a.kerner.civ@mail.mil

Christopher Rowe

Propulsion and Power, NAVAIR, Patuxent River, MD
christopher.rowe@navy.mil

Chi-Yu (Michael) Shiao

U.S. Army Research Laboratory, Aberdeen Proving Ground, MD 21005
chi-yu.shiao.civ@mail.mil

David Hopkins

U.S. Army Research Laboratory, Aberdeen Proving Ground, MD 21005
david.a.hopkins.civ@mail.mil

George A. Gazonas

U.S. Army Research Laboratory, Aberdeen Proving Ground, MD 21005
george.a.gazonas.civ@mail.mil

1Corresponding author.

ASME doi:10.1115/1.4037599 History: Received October 31, 2016; Revised July 06, 2017

Abstract

Commercial/Military fixed-wing aircraft and rotorcraft engines often have to operate in significantly degraded environments consisting of sand, salt, dust, ash and other particulates. The presence of solid particles in the working fluid medium has an adverse effect on the durability of these engines as well as performance. Typical turbine blade damages include blade coating wear, sand glazing, Calcia-Magnesia-Alumina-Silicate (CMAS) attack, oxidation, and plugged cooling holes, all of which can cause rapid performance deterioration including loss of aircraft. This research represents the complex thermo-chemo-mechanical fluid structure interaction problem of semi-molten particulate impingement and infiltration onto ceramic thermal barrier coatings into its canonical forms. This is to understand the underpinning interface science of interspersed graded ceramic/metal and ceramic/ceramic composites at the grain structure level for robust coatings and bulk material components for vehicle propulsion systems. This project creates a framework to enable the engineered design of solid-solid and liquid-solid interfaces in dissimilar functionalized materials to establish a paradigm shift toward science from the traditional empiricism in engineering thermal barrier coatings and high temperature highly loaded bulk materials. An integrated approach of modeling and simulation, characterization, fabrication, and validation to solve the fundamental questions of interface mechanisms which affect the properties of novel materials will be validated to guide component material solutions to visionary 2040+ military vehicle propulsion systems.

Copyright (c) 2017 by ASME
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