Thermal Barrier Coating Life Prediction Model Development

[+] Author and Article Information
S. M. Meier, D. M. Nissley, K. D. Sheffler

United Technologies, Pratt & Whitney, East Hartford, CT 06108

T. A. Cruse

Mechanical Engineering Department, Vanderbilt University, Nashville, TN 37235

J. Eng. Gas Turbines Power 114(2), 258-263 (Apr 01, 1992) (6 pages) doi:10.1115/1.2906581 History: Received February 06, 1991; Online April 24, 2008


A thermal barrier coated (TBC) turbine component design system, including an accurate TBC life prediction model, is needed to realize the full potential of available TBC engine performance and/or durability benefits. The objective of this work, which was sponsored in part by NASA under the Hot Section Technology (HOST) Program (Contract NAS3-23944), was to generate a life prediction model for electron beam-physical vapor deposited (EB-PVD) zirconia TBC. Specific results include EB-PVD zirconia mechanical and physical properties, coating adherence strength measurements, interfacial oxide growth characteristics, quantitative cyclic thermal spallation life data, and a spallation life model.

Copyright © 1992 by The American Society of Mechanical Engineers
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