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Nondestructive Characterization of Corrosion Protective Coatings on Aluminum Alloy Substrates

Published online by Cambridge University Press:  10 February 2011

J. Hoffmann ,
S. Sathish ,
M. Khobaib ,
N. Meyendorf ,
U. Netzelmann  and
T.E. Matikas
J. Hoffmann
Affiliation:
University of Dayton, Center for Materials Diagnostics, Dayton, OH 45469-0121
S. Sathish
Affiliation:
University of Dayton, Center for Materials Diagnostics, Dayton, OH 45469-0121
M. Khobaib
Affiliation:
University of Dayton, Center for Materials Diagnostics, Dayton, OH 45469-0121
N. Meyendorf
Affiliation:
Fraunhofer Institute Nondestructive Testing, Universität 37, 66123 Saarbrdlcken, Germany
U. Netzelmann
Affiliation:
Fraunhofer Institute Nondestructive Testing, Universität 37, 66123 Saarbrdlcken, Germany
T.E. Matikas
Affiliation:
Formerly with the Center for Materials Diagnostics
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Abstract

This paper describes the initial phase of the development of a nondestructive, multisensor approach for detecting, quantifying and monitoring degradation of organic coatings applied to aluminum surfaces. Descriptions of the purposes and chemical compositions of layered coatings used on aircraft structures are provided. The discussion then concentrates on ultrasonic thickness measurements. One is the well-established pulse/echo scanning acoustic microscopy and, as a proposed alternative, continuous acoustic waves measurements with a probe in contact to the sample. Advantages and disadvantages of the two methods and their potential as in field applications are discussed.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 591 , 1999 , 67
Copyright
Copyright © Materials Research Society 2000

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References

REFERENCES

1.Hofflnann, J., Matikas, T.E., Sathish, S., Khobaib, M., Meyendorf, N., Netzelmann, U., “Nondestructive Characterization of Organic Corrosion Protective Coatings on Aluminum Alloy Substrates”, 3rd Annual Report for DARPA-MURI, Grant Number F49620-96-1-0442, Dayton, Ohio, USA 1999Google Scholar
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