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Bending Fatigue Behavior of Blast Cleaned Grey Cast Iron
(Base Engine & Materials Technology, Volvo Group, Gothenburg)
Linköping University, Department of Management and Engineering, Engineering Materials. Linköping University, Faculty of Science & Engineering.
(Materials Technology for Basic Engine, Scania CV, Södertälje)
Linköping University, Department of Management and Engineering, Engineering Materials. Linköping University, Faculty of Science & Engineering.
2016 (English)In: Residual Stresses 2016: ICRS-10, Materials Research Proceedings 2 (2016), 2016, 193-198 p.Conference paper (Refereed)
Abstract [en]

This paper presents a detailed study on the effect of an industrial blast cleaning process on the fatigue behavior of a grey cast iron with regard to the residual stresses and microstructural changes induced by the process. A comparison was also made to the effect of a machining operation which removed the casting skin layer. The blast cleaning process was found to greatly improve the fatigue resistance in both the low and high cycle regimes with a 75% increase in the fatigue limit. Xray diffraction measurements and scanning electron microscopic analyses showed that the improvement was mainly attributed to compressive residual stresses in a surface layer up to 800 μm in thickness in the blast cleaned specimens. The machining also gave better fatigue performance with a 30% increase in the fatigue limit, which was ascribed to the removal of the weaker casting skin layer.

Place, publisher, year, edition, pages
2016. 193-198 p.
Keyword [en]
Cast Iron, Blast Cleaning, Machining, Bending Fatigue, Residual Stress
National Category
Materials Engineering Manufacturing, Surface and Joining Technology Applied Mechanics Composite Science and Engineering
Identifiers
URN: urn:nbn:se:liu:diva-134363DOI: 10.21741/9781945291173-33OAI: oai:DiVA.org:liu-134363DiVA: diva2:1072160
Conference
International Conference Residual Stress ICRS-10, 4-8 July 2016, Sydney, Australien.
Available from: 2017-02-07 Created: 2017-02-07 Last updated: 2017-02-16Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
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More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
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  • Other locale
More languages
Output format
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