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  • 标题:STUDY OF THE ENERGY RATIO IN THE FRETTING PHENOMENON
  • 本地全文:下载
  • 作者:Stefan Ghimisi ; Gheorghe Popescu
  • 期刊名称:Constantin Brancusi University's Annals, Letters and Social Sciences Serie
  • 印刷版ISSN:1844-6051
  • 出版年度:2008
  • 期号:2
  • 出版社:Academica Brancusi Publisher
  • 摘要:Fretting is now fully identified as a small amplitude oscilatory motion which induces a harmonic tangential force between two surfaces in contact. It is related to three main loadings, i.e. fretting-wear, frettingfatigue and fretting corrosion. Fretting regimes were first mapped by Vingsbo. In a similar way, three fretting regimes will be considered: stick regime, slip regime and mixed regime. The mixed regime was made up of initial gross slip followed by partial slip condition after a few hundred cycles. Obviously the partial slip transition develops the highest stress levels which can induce fatigue crack nucleation depending on the fatigue properties of the two contacting first bodies. Therefore prediction of the frontier between partial slip and gross slip is required.
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