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Optical Detection of Surface Damage

  • E. B. Shell
  • M. Khobaib
  • J. Hoying
  • L. Simon
  • C. Kacmar
  • V. Kramb
  • M. Donley
  • D. Eylon
Part of the Springer Series in Materials Science book series (SSMATERIALS, volume 67)

Abstract

In many applications, the onset of damage occurs at the component surface due to plastic deformation, fretting, wear, corrosion, or crack nucleation. One result of these processes is a change in the surface topography. Therefore, the first step in nondestructive evaluation of a component is a thorough evaluation of the surface conditions. Inspection techniques that characterize the damage extent on the surface often present the results as a fraction of the component surface area. For damage originating from environmental or mechanical conditions, the severity of the defect or damage can also be described quantitatively by the three-dimensional surface topography. When using many common inspection methods, information regarding the depth of penetration into the surface layers, or protrusion above the surface is difficult to obtain. In addition, when the defects are of submicron or nanometer scale, high resolution three-dimensional inspection techniques are required.

Keywords

Fatigue Crack Power Spectral Density Surface Damage Optical Detection Slip Region 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2004

Authors and Affiliations

  • E. B. Shell
  • M. Khobaib
  • J. Hoying
  • L. Simon
  • C. Kacmar
  • V. Kramb
  • M. Donley
  • D. Eylon

There are no affiliations available

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