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  • Contact Fatigue Tests and Contact Fatigue Life Analysis
    ...tooth geometry and dynamics, operating conditions (load, speed, slide to roll ratio, friction and temperature), materials (steel chemistry, heat treatment, hardness, microstructure, residual stress, surface carbon content, retained austenite, inclusions, etc.), surface finish (Ra, Rq, Rp, Rz, Rsk , waveness, surface capacity, bearing...
  • ZHRSD2002P345
    The C.A.S.E. process (Ref 71) can reduce the relative finishing time and costs, after shot peening, and provide a surface which, in addition to having the compressive stresses from the shot peening, can have Rsk value of as little...
  • Silicone hydrogel contact lens surface analysis by atomic force microscopy: shape parameters
    Thus, the present observations indicate that including statistical parameters such as Rku and Rsk when characterizing a contact lens surface will complete the information on the finished quality of the surfaces.
  • Femoral prosthetic heads and their significance in polyethylene wear
    Our results show that in order to obtain an ideal sur- face finish a low or not very high Ra value and a nega- tive Rsk value are needed.
  • Femoral prosthetic heads and their significance in polyethylene wear.
    Our results show that in order to obtain an ideal surface finish a low or not very high Ra value and a negative Rsk value are needed.
  • Technical Blogposts on Deburring and Surface Conditioning
    As is typical of most cast, ground, turned, milled, EDM and forged surfaces this surface shows a positive Rsk [ Rsk – skewness – the measure of surface symmetry about the mean line of a profilometer graph. ...surface peaks above this mean line, generally considered to be an undesirable surface finish characteristic from a...
  • Effect of surface topography on hydrophobicity and bacterial adhesion of polystyrene
    ...and surface parameters in terms of roughness Ra, Rq and statistical height distribution Rsk , Rku are calculated... It can be seen from Table 1, the untreated areas (as received) have much smoother surface finish than the modified areas with averaged roughness values of Ra = 0.019µm and Rq = 0.037µm over the 8 specimens.
  • ZCP2008ITSC0701
    3D maps of thermally sprayed coatings before and after FR-FBM (MS 80, jet pressure 7 bar, machining time 5 min): (a) Cr2O3 asdeposited; (b) Cr2O3 finished ; (c) TiO2 asdeposited; (d) TiO2... ...deposited; (h) WC-CO17% finished RSk turns negative at any... RSk negative means surface profile with prevalently upward material, that is, rather smooth surface.
  • New Production Technologies in Aerospace Industry
    ...reduction in roughness after deep rolling, irrespectively of the parameters used, however, lowest values are obtained applying p = 100 bar and n = 3 and the further elevation of rolling pressure to p = 200 bar impairs the surface finish probably due to plastic... As far as the hybrid parameters are concerned (Fig. 1c), Rsk is sensitive to occasional high peaks...
  • Influence of Te doping on the dielectric and optical properties of InBi crystals grown by directional freezing
    Rrms is the square root of the distribution of the square of surface height, and it defines the finish of optical surfaces. Roughness skewness ( Rsk ) il- lustrates the load carrying capacity, porosity, and character- istics of nonconventional machining processes...


Product Announcements
Lapmaster International
Micro-Epsilon Group
Radiant Vision Systems
Micro-Epsilon
Carl Zeiss Industrial Metrology, LLC
SKF/North America