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Proceedings Paper

Optical Techniques For The Surface Evaluation Of Bright Aluminum Sheet
Author(s): M. Fairlie; J G Akkerman; R S Timsit
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Paper Abstract

Two aspects of the surface evaluation of bright finished aluminum sheet are discussed. The first section of this paper addresses the relationship of optical gloss to surface roughness provided by first-order light scattering theory and the use of this relationship in characterising the surface roughness of bright aluminum sheet from optical gloss measurements. The second part of this paper examines the attributes of Nomarski DIC microscopy for identifying defects on bright-rolled aluminum surfaces. Comparisons are made between DIC micrographs of a typical surface area containing defects and 3-dimensional microtopographical data generated from identical areas by contact profilometry.

Paper Details

Date Published: 23 October 1986
PDF: 7 pages
Proc. SPIE 0665, Optical Techniques for Industrial Inspection, (23 October 1986); doi: 10.1117/12.938724
Show Author Affiliations
M. Fairlie, Alcan International Limited (Canada)
J G Akkerman, Alcan International Limited (Canada)
R S Timsit, Alcan International Limited (Canada)

Published in SPIE Proceedings Vol. 0665:
Optical Techniques for Industrial Inspection
Paolo G. Cielo, Editor(s)

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