INFLUENCE OF FATTY ACID METHYL ESTERS QUANTITIES IN FUEL OIL ON CORROSION RESISTANCE OF VALVE STEELS IN COMBUSTION GASES

1 ADAMASZEK Krzysztof
Co-authors:
1 NOWAK Jan 1 JURASZ Zbigniew
Institution:
1 BOSMAL Automotive Research & Development Institute, Bielsko-Biala, Poland, EU krzysztof.adamaszek@bosmal.com.pl, jan.nowak@bosmal.com.pl, zbigniew.jurasz@bosmal.com.pl
Conference:
24th International Conference on Metallurgy and Materials, Hotel Voronez I, Brno, Czech Republic, EU, June 3rd - 5th 2015
Proceedings:
Proceedings 24th International Conference on Metallurgy and Materials
Pages:
609-614
ISBN:
978-80-87294-58-1
ISSN:
2694-9296
Published:
12th January 2015
Proceedings of the conference were published in Web of Science and Scopus.
Metrics:
145 views / 29 downloads
Abstract

The corrosion behaviour of four grades of valves steels i.e.; X33CrNiMn23-8, X50CrMnNiNbN21-9, X33CrNiMnN23-8, X50CrMnNiNbN21-8, X53CrMnNiN20-8 and X55CrMnNiN20-8 in combustion gases of fuel oil with different quantities of FAME (Fatty Acid Methyl Esters) has been studied. In this work, the results of kinetic oxidation of above mentioned valve steels in combustion gases from diesel engine with 5, 10, 20% [v/v] of FAME are presented. It has been found that increase of FAME up to 20% volume percentage to the fuel oil decreases corrosion resistance of tested steels.The corrosion tests have been performed gravimetrically under thermal shock conditions by heating of specimens from room temperature up to 1173 K. After heating at 1173 K for two hours, specimens were quenching at room temperature for 20 minutes and again heated. This experiment simulated valves work conditions of highly thermal loaded combustion engines.

Keywords: valve steels, combustion gases, fuel oil, FAME, kinetic of oxidation

© This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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