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Roughness measurement problems in tribological testing

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Abstract
In tribological measurement of thermoplastics against steel the surface roughness has a potential effect in dictating the frictional behavior of the material. In most cases the roughness of the specimen is measured before and after the test, where it affects the friction force and influences the mechanism involved. The roughness of the material is not the exact value and it has a deviance which depends upon the machining process used in preparing the surface. Generally, the direction of machining has an influence on the topography of the surface in case of turning, milling and drilling but in case of pressed components the direction has no effects. In order to maintain ideal test condition the surface roughness of the test materials has to be consistent for the given number of samples. Even though the test specimens are machined in the same machine with same parameters there are number of parameters involved in deciding the consistency of the surface roughness. The roughness of the surface are defined by number of parameters such as Ra, Rz and few 3D parameters in such a case narrowing down to a specific constant is vital. The results from the roughness is not made from one measurement were an average and deviance from several measurement decides that if two ideal samples has same or different roughness.
Keywords
machined surface, roughness comparable, Ra, Rz.

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Chicago
Rodriguez Fereira, Vanessa, Jacob Sukumaran, Mátyás Andó, and Patrick De Baets. 2011. “Roughness Measurement Problems in Tribological Testing.” In Sustainable Construction and Design, ed. Jeroen Van Wittenberghe, 2:115–121. Ghent, Belgium: Ghent University, Laboratory Soete.
APA
Rodriguez Fereira, V., Sukumaran, J., Andó, M., & De Baets, P. (2011). Roughness measurement problems in tribological testing. In J. Van Wittenberghe (Ed.), SUSTAINABLE CONSTRUCTION AND DESIGN (Vol. 2, pp. 115–121). Presented at the Sustainable Construction and Design 2011 (SCAD), Ghent, Belgium: Ghent University, Laboratory Soete.
Vancouver
1.
Rodriguez Fereira V, Sukumaran J, Andó M, De Baets P. Roughness measurement problems in tribological testing. In: Van Wittenberghe J, editor. SUSTAINABLE CONSTRUCTION AND DESIGN. Ghent, Belgium: Ghent University, Laboratory Soete; 2011. p. 115–21.
MLA
Rodriguez Fereira, Vanessa, Jacob Sukumaran, Mátyás Andó, et al. “Roughness Measurement Problems in Tribological Testing.” Sustainable Construction and Design. Ed. Jeroen Van Wittenberghe. Vol. 2. Ghent, Belgium: Ghent University, Laboratory Soete, 2011. 115–121. Print.
@inproceedings{1175585,
  abstract     = {In tribological measurement of thermoplastics against steel the surface roughness has a potential effect in dictating the frictional behavior of the material. In most cases the roughness of the specimen is measured before and after the test, where it affects the friction force and influences the mechanism involved. The roughness of the material is not the exact value and it has a deviance which depends upon the machining process used in preparing the surface. Generally, the direction of machining has an influence on the topography of the surface in case of turning, milling and drilling but in case of pressed components the direction has no effects. In order to maintain ideal test condition the surface roughness of the test materials has to be consistent for the given number of samples. Even though the test specimens are machined in the same machine with same parameters there are number of parameters involved in deciding the consistency of the surface roughness. The roughness of the surface are defined by number of parameters such as Ra, Rz and few 3D parameters in such a case narrowing down to a specific constant is vital. The results from the roughness is not made from one measurement were an average and deviance from several measurement decides that if two ideal samples has same or different roughness.},
  author       = {Rodriguez Fereira, Vanessa and Sukumaran, Jacob and And{\'o}, M{\'a}ty{\'a}s and De Baets, Patrick},
  booktitle    = {SUSTAINABLE CONSTRUCTION AND DESIGN},
  editor       = {Van Wittenberghe, Jeroen},
  isbn         = {9789490726010},
  issn         = {2032-7471},
  keyword      = {machined surface,roughness comparable,Ra,Rz.},
  language     = {eng},
  location     = {Ghent, Belgium},
  number       = {1},
  pages        = {115--121},
  publisher    = {Ghent University, Laboratory Soete},
  title        = {Roughness measurement problems in tribological testing},
  volume       = {2},
  year         = {2011},
}