Oxidation of Metals

, Volume 79, Issue 1–2, pp 135–145 | Cite as

Shot-Peening of Pre-Oxidized Plates of Zirconium: Influence of Residual Stress on Oxidation

  • Laura Raceanu
  • Virgil Optasanu
  • Tony Montesin
  • Guillaume Montay
  • Manuel François
Original Paper


The present study deals with oxidation behavior under residual stress of shot-peened plates of “commercially pure” zirconium exposed for 30 min at 650 °C. The influence of the shot-peening on a pre-oxidized material is presented. The results have been used to determine the influences of these chemical (pre-oxidation) and mechanical (shot-peening) treatments on the high temperature oxidation of zirconium. The oxygen profile was revealed using micro-hardness techniques and confirmed by SEM–EDS techniques. After pre-oxidation the samples were first resurfaced then shot-peened in order to introduce residual stress. A significant increase of the hardness of about +400 HV was observed on pre-oxidized shot-peened samples. Thermogravimetric analysis for 30 min at 650 °C under 200 mbar O2 showed a significantly slower oxidation rate for shot-peened samples. A comparison with our computations points out the role of the residual stresses on the diffusion and, consequently, on the oxidation.


Shot-peening Zirconium Oxidation Stress-diffusion coupling 


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Copyright information

© Springer Science+Business Media New York 2012

Authors and Affiliations

  • Laura Raceanu
    • 1
  • Virgil Optasanu
    • 1
  • Tony Montesin
    • 1
  • Guillaume Montay
    • 2
  • Manuel François
    • 2
  1. 1.ICB UMR 6303 CNRSUniversité de BourgogneDijon CedexFrance
  2. 2.LASMISUniversité de Technologie de TroyesTroyes CedexFrance

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