Paper Title:
Surface Topography Characteristic and Statistical Characteristic of 1Cr18Ni9Ti Polished by Electrochemical Polishing
  Abstract

The surface quality of components has the important influence on the components’ operational performance, characteristic of the geometry topography and statistical Characteristic is the important aspect of the surface quality. This study takes the arithmetic mean deviation of the assessed profile (Ra) to reflect the altitude characteristic of the surface profile, takes the mean width of the profile elements (Sm) to reflect the width characteristic of the surface profile, takes the material ratio of the profile (tp) to reflect the shape characteristic of the surface profile and takes the altitude density function φ(z) and autocorrelation function R(l) to reflect the statistical characteristic. Four groups of experiments are carried out in which 1Cr18Ni9Ti is taken as the material object of the test piece and test pieces with different initial surface roughness are polished. By experiment, the changing rules of the value of Ra, Sm, tp, φ(z) and R(l) after different polishing time are obtained. By analyzing the changing rules of Ra, Sm, tp, φ(z) and R(l), the influence of the Electrochemical Polishing (ECP) process on the surface geometry and statistical characteristic is obtained.

  Info
Periodical
Materials Science Forum (Volumes 626-627)
Edited by
Dongming Guo, Jun Wang, Zhenyuan Jia, Renke Kang, Hang Gao, and Xuyue Wang
Pages
309-314
DOI
10.4028/www.scientific.net/MSF.626-627.309
Citation
G. B. Pang, D. Chen, F. Teng, Z. F. Wei, W. J. Xu, "Surface Topography Characteristic and Statistical Characteristic of 1Cr18Ni9Ti Polished by Electrochemical Polishing", Materials Science Forum, Vols. 626-627, pp. 309-314, 2009
Online since
August 2009
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$32.00
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