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has been cited by the following article:

• TITLE: Influence of Surface Properties Modified with Fine Shot Peening on Scuffing

  AUTHORS: Yuya Omiya, Masahiro Fujii, Ryo Ochiai, Koshi Ishimoto, Akihiro Ueda

  KEYWORDS: Contact Element, Scuffing, Shot Peening, Surface Properties, Surface Roughness, Micro Dimples

  JOURNAL NAME: Journal of Surface Engineered Materials and Advanced Technology, Vol.8 No.3, July 18, 2018

  ABSTRACT: Recently, gears of high strength, reliability, and surface-damage-resistant under severe service conditions are required to achieve the weight saving and downsizing of a product. For the high-speed condition in particular, it is important to understand the influence of the surface properties on the scuffing resistance. If the effective surface profile to improve the lubrication property was found, the metal surfaces could be obtained with both surface strength and surface lubricity. Herein, the influence of surface properties modified with fine shot peening, which can form the arbitrary surface profile, on the scuffing resistance in the rolling-sliding contact machine element, was investigated. The scuffing test was performed using a two-cylinder rolling contact test machine. In a specific sliding, a faster roller of 60% and a sliding velocity of 1.75 m/s were utilized. The scuffing test results with shot-peened test rollers and those with non-shot-peened test roller were compared. The influence of the surface roughness of the shot-peened test roller was also discussed. We found that the shot-peened roller had a better scuffing resistance compared with the roller without the shot-peening process.