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The Effect of Thin Ceramic Coatings on Spark-Ignition Engine Performance
ISSN: 0148-7191, e-ISSN: 2688-3627
Published April 01, 1990 by SAE International in United States
Annotation ability available
An experimental study of the effects of thin ceramic thermal barrier coatings on the performance of a spark-ignited gasoline engine was conducted. A modified 2.5 liter GM engine with ceramic-coated pistons, liners, head, valves and ports was used. Experimental results obtained from the ceramic engine were compared with baseline metal engine data. It was shown that at low-speed part-load conditions encountered in typical driving cycles the ceramic engine could achieve up to 18% higher brake power and up to 10% lower specific fuel consumption. At wide open throttle conditions, the two engines exhibited similar characteristics, except at high speeds where the metal engine showed better performance at the expense of inferior fuel economy. The ceramic coating did not produce any observable knock in the engine and showed no significant wear at the conclusion of the testing phase. It was concluded that judicious application of thin ceramic coatings to gasoline engines could be a useful means for improving performance and fuel economy.
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- Dennis N. Assanis - Automotive Systems Laboratory, Dept. of Mechanical and Industrial Engineering, University of Illinois at Urbana-Champaign Urbana, IL
- Tarun Mathur - Automotive Systems Laboratory, Dept. of Mechanical and Industrial Engineering, University of Illinois at Urbana-Champaign Urbana, IL
CitationAssanis, D. and Mathur, T., "The Effect of Thin Ceramic Coatings on Spark-Ignition Engine Performance," SAE Technical Paper 900903, 1990, https://doi.org/10.4271/900903.
SAE Transactions Journal of Materials and Manufacturing
Number: V99-5 ; Published: 1991-09-01
Number: V99-5 ; Published: 1991-09-01
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