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Overview of thermal barrier coatings in diesel enginesAn understanding of delamination mechanisms in thermal barrier coatings has been developed for diesel applications through nondestructive evaluation, structural analysis modeling and engine evaluation of various thermal barrier coatings. This knowledge has resulted in improved thermal barrier coatings which survive abusive cyclic fatigue tests in high output diesel engines. Significant efforts are still required to improve the plasma spray processing capability and the economics for complex geometry diesel engine components. Data obtained from advanced diesel engines on the effect of thermal barrier coatings on engine fuel economy and emission has not been encouraging. Although the underlying metal component temperatures have been reduced through the use of thermal barrier coating, engine efficiency and emission trends have not been promising.
Document ID
19950019709
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Yonushonis, T. M. (Cummins Engine Co., Inc. Columbus, IN, United States)
Date Acquired
September 6, 2013
Publication Date
March 1, 1995
Publication Information
Publication: NASA. Lewis Research Center, Thermal Barrier Coating Workshop
Subject Category
Nonmetallic Materials
Accession Number
95N26129
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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