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Shot Peening Induced Plastic Deformation in Cast Iron - Influence of Graphite Morphology
Linköping University, Department of Management and Engineering, Engineering Materials. Linköping University, The Institute of Technology.
Linköping University, Department of Management and Engineering, Engineering Materials. Linköping University, The Institute of Technology.
Base Engine & Materials Technology, Volvo Powertrain, Gothenburg, Sweden.
Testing Methods and Testing, Scania CV AB, Södertälje, Sweden.
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2014 (English)In: HTM Journal of Heat Treatment and Material, ISSN 1867-2493, Vol. 69, no 2, 106-113 p.Article in journal (Refereed) Published
Abstract [en]

Graphite morphology in cast iron strongly affects the mechanical properties such as: Young's modulus, tensile/compressive strength and cyclic mechanical behaviour. In this study, pearlitic compact graphite iron (CGI) and grey cast iron (GI) have been studied in a scanning electron microscope (SEM) before and after shot peening under different conditions. The plastic deformation behaviour of CGI and GI under different shot peening conditions has been analysed using electron backscattering diffraction (EBSD) and electron contrast channelling imaging (ECCI). EBSD and ECCI revealed that plastic deformation around graphite inclusions depends on the size and shape of the graphite. The different response of CGI and GI to shot peening is explained by the different damping properties of the graphite and the matrix capability for plastic deformation.

Place, publisher, year, edition, pages
München: Carl Hanser Verlag GmbH, 2014. Vol. 69, no 2, 106-113 p.
Keyword [en]
shot peening, cast iron, graphite morphology, EBSD, residual stress
National Category
Materials Engineering
Identifiers
URN: urn:nbn:se:liu:diva-106715DOI: 10.3139/105.110213OAI: oai:DiVA.org:liu-106715DiVA: diva2:718070
Conference
International Conference on Residual Stresses ICRS9, October 7-9, 2012, Garmisch-Partenkirchen, Germany
Available from: 2014-05-19 Created: 2014-05-19 Last updated: 2017-04-05Bibliographically approved

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Lundberg, MattiasPeng, RuJohansson, Sten

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