Impact of Biogenic Fuels on the Fatigue Behavior of Steels
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Bioethanol-containing fuels from regenerative sources, such as wheat straw and sugar cane, are used to blend fossil fuels in order to reduce climate-damaging greenhouse gas emissions. The hygroscopic properties of ethanol in such fuels represent new requirements for the materials used in fuel-carrying components with regard to corrosion. Within the framework of a Research Association for Internal Combustion Engines and German Research Foundation-funded research project, the corrosive influence of biogenic fuels on the fatigue behavior of application-relevant steels was investigated in a cooperation of the research group for System Reliability, Adaptive Structures and Machine Acoustics (SAM) as well as the Center of Structural Materials (MPA-IfW) of the Technical University of Darmstadt and the Leibniz Institute for Materials Engineering (IWT) in Bremen.
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This report is the scientific result of a research project funded by the German Research Foundation (Deutsche Forschungsgemeinschaft, DFG) under the project number ME 3301/1-1 and the Research Association for Internal Combustion Engines (Forschungsvereinigung Verbrennungskraftmaschinen e. V., FVV) under the project number 1168 and was carried out at the research group for System Reliability, Adaptive Structures and Machine Acoustics (SAM) under the direction of Prof. Dr.-Ing. Tobias Melz, the Center for Structural Materials (MPA/IfW) of the Technical University Darmstadt under the direction of Prof. Dr.-Ing. Matthias Oechsner, and the Leibniz Institute for Material Engineering (IWT) in Bremen under the direction of Prof. Dr.-Ing. Hans-Werner Zoch. The project was provided by a project-accompanying working group of the FVV under the leadership of Dr.-Ing. Hagen Kuckert and later by Dr.-Ing. Hendrik Lindel, both from Robert Bosch GmbH. The authors would like to take this opportunity to thank the professors and the working group for their support and encouragement.