Combinatorial Approach to Turbine Bond Coat Discovery

Combinatorial Approach to Turbine Bond Coat Discovery

A nondestructive method for the high-throughput screening of novel bond coat materials has been developed. By using a suite of characterization techniques, including Raman spectroscopy, fluorescence spectroscopy, and X-ray diffraction, a rapid determination of thermally grown oxide phases and their...

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Bibliographic Details
Published in:ACS combinatorial science Vol. 15; no. 8; pp. 419 - 424
Main Authors: Metting, Christopher Jason, Bunn, Jonathan Kenneth, Underwood, Ellen, Smoak, Stephen, Hattrick-Simpers, Jason
Format: Journal Article
Language:English
Published: United States American Chemical Society 12-08-2013
Subjects:
Bonding
Coating
Combinatorial analysis
Combinatorial Chemistry Techniques
Diffraction
Phases
Spectrometry, Fluorescence
Spectrum Analysis, Raman
Spreads
Thermally grown oxides
Turbines
X-Ray Diffraction
Ni−Al
corrosion
thin fims
bond coats
high-throughput
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Summary:A nondestructive method for the high-throughput screening of novel bond coat materials has been developed. By using a suite of characterization techniques, including Raman spectroscopy, fluorescence spectroscopy, and X-ray diffraction, a rapid determination of thermally grown oxide phases and their protective capability over a continuous composition spread sample can be obtained. The methodology is validated with the Ni–Al system. The procedure developed in this work results in the rapid identification of bond coat composition regions in which the preferred thermally grown oxide, α-Al2O3, is nucleated thus significantly reducing the amount of phase space that needs to be explored in subsequent studies.
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ISSN:2156-8952
2156-8944
DOI:10.1021/co3000902