Fretting fatigue of carbon steels in the high cycle fatigue regime
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Frank Christian Neuner
Dipl.-Ing. Frank C. Neuner, born in 1974, started studying Materials Science and Engineering at the University of Erlangen-Nürnberg in 1995. He graduated in 2001 with a study on the thermomechanical fatigue behaviour of the nickel-base superalloy SRR 99. During his studies, he spent a few months in Japan, where he completed his internship at the Mitsubishi Materials Corporation. Since 2001, he has been working as a research associate at the Department of Materials Science and Engineering, Institute I, General Materials Properties, and is writing a PhD thesis on fretting fatigue investigations on plain carbon steels.
Dipl.-Ing. Ralf Nützel, born in 1977, started studying Materials Science and Engineering at the University of Erlangen-Nürnberg in 1997 and graduated in 2003 with a final-year thesis: “The microstructural effects on the fretting fatigue behaviour of plain carbon steels”. In 2000, he spent some months conducting research at the De Beers Industrial Diamonds Division in Johannesburg, South Africa. Currently he is working as a research associate on the thermo-mechanical fatigue of nickel-base superalloys at the Department of Materials Science and Engineering, Institute I -General Materials Properties.
Dr. Heinz W. Höppel, born in 1968, studied Materials Science and Engineering at the University of Erlangen-Nürnberg. From 1994 until 1997, he worked as a research associate at the Department of Materials Science and Engineering, Institute I, General Materials Properties, in the field of hydroabrasive wear resistance and damage mechanisms of different hard coatings. After his PhD thesis, he took over a senior scientist position at the Institute I. Currently he is the head of the laboratories for mechanical testing. His main scientific interests are: fatigue and cyclic plasticity, fretting fatigue, tribological behaviour and ultrafine grained materials.
Abstract
Fretting fatigue can be a serious problem for many engineering applications. Relative motions between components in contact can generate surface and subsurface damage, which leads to failure of the component. Hence, it is very reason that the microstructural condition strongly influences the so-called fretting fatigue behaviour. Nevertheless, the microstructural influence on the fretting fatigue behaviour has not been very well investigated up to now. To investigate systematically the influence of specific microstructural parameters on the fretting fatigue behaviour, a broad variety of different iron-base materials were selected for this study. Based on a variation of the grain size and of the ferrite /pearlite morphologies, a detailed understanding of microstructural, effects on the fretting fatigue behaviour can be derived. In general, a reduction of the fatigue life compared to uniaxial fatigue tests by up to 50 %, depending on the respective microstructure, normal load and strain amplitude, was observed.
Summary
Zahlreiche technische Anwendungen unterliegen einer reibermüdenden Belastung, d.h. einer Kombination einer zyklischen Belastung (Zug/Druck) und einer Relativbewegung von in Kontakt befindlichen Oberflächen. Die Ermüdungslebensdauern bei überlagerter reibermüdender Belastung sind im Allgemeinen deutlich reduziert. Je nach Spannungsamplitude und Reibermüdungsbelastung konnte eine Abnahme der Ermüdungsfestigkeit von bis zu 50% gegenüber einachsigen Referenzermüdungsversuchen festgestellt werden. Im Rahmen dieser Untersuchung wurde gezielt dem Einfluss der Mikrostruktur auf das Reibermüdungsverhalten am Beispiel von Eisenbasislegierungen nachgegangen. Dabei konnte ein großer Einfluss der vorliegenden Mikrostruktur auf die resultierende Schädigung durch Reibermüdung gefunden werden. Durch die systematisch angelegten Versuchsreihen konnte gezeigt werden, dass sowohl durch den Perlitlamellenabstand als auch durch die Ferritkorngröße das Reibermüdungsverhalten beeinflusst wird. Die Schädigung des Materials ist dabei im Falle der ferritisch-perlitischen Stähle insbesondere durch die Fragmentierung und Morphologieänderung der Perlitstruktur in den oberflächennahen Bereichen geprägt.
About the authors
Dipl.-Ing. Frank C. Neuner, born in 1974, started studying Materials Science and Engineering at the University of Erlangen-Nürnberg in 1995. He graduated in 2001 with a study on the thermomechanical fatigue behaviour of the nickel-base superalloy SRR 99. During his studies, he spent a few months in Japan, where he completed his internship at the Mitsubishi Materials Corporation. Since 2001, he has been working as a research associate at the Department of Materials Science and Engineering, Institute I, General Materials Properties, and is writing a PhD thesis on fretting fatigue investigations on plain carbon steels.
Dipl.-Ing. Ralf Nützel, born in 1977, started studying Materials Science and Engineering at the University of Erlangen-Nürnberg in 1997 and graduated in 2003 with a final-year thesis: “The microstructural effects on the fretting fatigue behaviour of plain carbon steels”. In 2000, he spent some months conducting research at the De Beers Industrial Diamonds Division in Johannesburg, South Africa. Currently he is working as a research associate on the thermo-mechanical fatigue of nickel-base superalloys at the Department of Materials Science and Engineering, Institute I -General Materials Properties.
Dr. Heinz W. Höppel, born in 1968, studied Materials Science and Engineering at the University of Erlangen-Nürnberg. From 1994 until 1997, he worked as a research associate at the Department of Materials Science and Engineering, Institute I, General Materials Properties, in the field of hydroabrasive wear resistance and damage mechanisms of different hard coatings. After his PhD thesis, he took over a senior scientist position at the Institute I. Currently he is the head of the laboratories for mechanical testing. His main scientific interests are: fatigue and cyclic plasticity, fretting fatigue, tribological behaviour and ultrafine grained materials.
Acknowledgement
The authors are very grateful for the financial support of the Deutsche Forschungsgemeinschaft DFG. They would also like to express their thanks to Prof. H. Mughrabi for manifold constructive discussions and personal input.
References
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© 2004 Carl Hanser Verlag, München
Articles in the same Issue
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- Veranstaltungen
- Veranstaltungen
- Notizen
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- Thermal fatigue life prediction
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- Fretting fatigue of carbon steels in the high cycle fatigue regime
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- Automatisierung zerstörungsfreier Prüfverfahren für das Bauwesen
- Zerstörungsfreie Werkstoffprüfung
- Zerstörungsfreie Messmethoden am Hahn-Meitner-Institut
- Neue Produkte
- Neue Produkte
- Vorschau
- Impressum
Articles in the same Issue
- Contents
- Veranstaltungen
- Veranstaltungen
- Notizen
- Notizen
- Bücher
- Bücher
- Schadensfallanalyse und Bruchmechanik
- Bruchmechanische Bewertungskonzepte für Bahnkomponenten
- Low Cycle Fatigue
- Dislocation mechanisms of mean stress effect on cyclic plasticity
- Bücher
- Praxishandbuch – Metallbauerhandwerk, Konstruktionstechnik
- Low Cycle Fatigue
- Thermal fatigue life prediction
- Fretting Fatigue
- Fretting fatigue of carbon steels in the high cycle fatigue regime
- Betriebsfestigkeit
- Ausbreitungsverhalten kurzer Risse in Magnesiumwerkstoffen
- Bücher
- Blei, Magnesium, Nickel, Titan, Zink, Zinn und deren Legierungen
- Zerstörungsfreie Werkstoffprüfung
- Bewertung der Rissausbreitung an Federstellen in Zungenschienen
- Zerstörungsfreie Prüfung Im Bauwesen
- Automatisierung zerstörungsfreier Prüfverfahren für das Bauwesen
- Zerstörungsfreie Werkstoffprüfung
- Zerstörungsfreie Messmethoden am Hahn-Meitner-Institut
- Neue Produkte
- Neue Produkte
- Vorschau
- Impressum
