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Stress relaxation o...
Stress relaxation of compacted graphite iron alloyed with molybdenum
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- Diaconu, Lucian Vasile (författare)
- University of Miskolc, Hungary
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- Sjögren, Torsten (författare)
- Jönköping University,RISE,SP – Sveriges Tekniska Forskningsinstitut,JTH. Forskningsmiljö Material och tillverkning – Gjutning
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- Skoglund, Peter (författare)
- Scania, Sweden,Scania CV AB
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- Diószegi, Attila, 1962- (författare)
- Jönköping University,JTH. Forskningsmiljö Material och tillverkning – Gjutning
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(creator_code:org_t)
- Taylor & Francis, 2013
- 2013
- Engelska.
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Ingår i: International Journal of Cast Metals Research. - : Taylor & Francis. - 1364-0461 .- 1743-1336. ; 26:1, s. 51-57
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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https://urn.kb.se/re...
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Abstract
Ämnesord
Stäng
- In a previous study, the thermomechanical fatigue resistance of four compacted graphite irons (CGIs) and one grey cast iron was investigated. The molybdenum content of the four CGIs varied between 0 and 1.01 wt-%. It was observed that during thermal cycling, the maximum value of the compressive stress continuously decreased while the value of the maximum tensile stress continuously increased. The continuous decrease in compressive stresses showed that stress relaxation occurs at elevated temperatures during thermal cycling. The goal of the present investigation was to investigate the phenomenon of stress relaxation at elevated temperatures. The tests were performed at 350 and 600uC respectively. The results of the stress relaxation tests performed at 600uC showed the same trend observed at thermomechanical fatigue testing. The tests showed that additions of molybdenum improved the fatigue resistance of CGI by lowering the stress relaxation rate.
Nyckelord
- Compacted graphite iron
- Molybdenum alloying
- Stress relaxation
- Thermomechanical fatigue
- Elevated temperature
- Grey cast iron
- Molybdenum content
- Stress relaxation rate
- Stress relaxation tests
- Thermo mechanical fatigues (TMF)
- Compressive stress
- Fatigue of materials
- Fatigue testing
- Graphite
- Iron
- Molybdenum
- Thermal cycling
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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