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Influence of Vibration and Heat Treatment on Residual Stress of a Machined 12%Cr-Steeel
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.
Siemens Industrial Turbomachinery, Finspång.
Linköping University, Department of Management and Engineering, Engineering Materials. Linköping University, The Institute of Technology.
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2014 (English)Conference paper, Published paper (Refereed)
Abstract [en]

In this paper we investigated the influence of vibratory stress relieving technique, which is widely used for stress relaxation of weld and casting components/structure, on machining residual stresses in a ring-component of 12% Cr-steel. It was shown that the employed vibratory treatment, without significantly altering the microstructure, turned the surface layer from tension into compression but retained the compressive residual stresses in the subsurface. In comparison, a stress relieving heat treatment, included as a reference in the study, removed completely the surface tensile residual stresses and reduced the subsurface compressive residual stresses to a low level. Significant microstructural changes in the form of recrystallization also occurred in a thin surface layer of the machining affected zone after the heat treatment.

Place, publisher, year, edition, pages
Trans Tech Publications Inc., 2014. 1-7 p.
Series
Advanced Materials Research, ISSN 1022-6680 ; 996
Keyword [en]
vibration stress relief, thermal stress releif, machining, residual stress, 12% Cr-steel
National Category
Materials Engineering
Identifiers
URN: urn:nbn:se:liu:diva-108775DOI: 10.4028/www.scientific.net/AMR.996.609ISI: 000348282100099OAI: oai:DiVA.org:liu-108775DiVA: diva2:732428
Conference
9th European Conference on Residual Stresses ECRS-9, Troyes, France, 7-10 July 2014
Available from: 2014-07-04 Created: 2014-07-04 Last updated: 2015-02-20

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Peng, RuMoverare, JohanBillenius, AnnetheChen, Zhe

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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
  • text
  • asciidoc
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