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Influence of molybdenum alloying on thermomechanical fatigue life of compacted graphite irons
University of Miskolc, Hungary.
RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Hållfasthet (BMh).ORCID iD: 0000-0002-6657-1792
SCANIA, Sweden.
Jönköping University, Sweden.
2012 (English)In: International Journal of Cast Metals Research, ISSN 1364-0461, E-ISSN 1743-1336, Vol. 25, no 5, p. 277-286Article in journal (Refereed) Published
Abstract [en]

In this study four compacted graphite irons (CGIs) and one grey cast iron (FGI) were produced and tested in the laboratory. The molybdenum content of the four CGI grades was varied between 0 and 1·01 wt-%. The purpose of the investigations was to examine the effect of the different molybdenum contents of the CGI on the thermomechanical fatigue (TMF) behaviour. The TMF tests were performed by cycling a constrained specimen between 110 and 600°C. For every material three tests were performed on specimens machined from a Ø20 mm cylinder. Other tests were performed on specimens machined from Ø55 mm and Ø85 mm cylinders respectively. The tests showed that additions of molybdenum improved the fatigue resistance of CGI. It was observed that additions of molybdenum refined the pearlite and that the specimens with a finer metallic matrix had a higher TMF resistance.

Place, publisher, year, edition, pages
2012. Vol. 25, no 5, p. 277-286
Keywords [en]
Compacted graphite iron, Molybdenum alloying, Thermomechanical fatigue
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:ri:diva-6338DOI: 10.1179/1743133612Y.0000000021Scopus ID: 2-s2.0-84867282037Local ID: 13947OAI: oai:DiVA.org:ri-6338DiVA, id: diva2:964175
Available from: 2016-09-08 Created: 2016-09-08 Last updated: 2023-06-08Bibliographically approved

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Sjögren, Torsten

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