Optical Techniques For The Surface Evaluation Of Bright Aluminum Sheet

M. Fairlie; J G Akkerman; R S Timsit

doi:10.1117/12.938724

23 October 1986 Optical Techniques For The Surface Evaluation Of Bright Aluminum Sheet

M. Fairlie, J G Akkerman, R S Timsit

Proceedings Volume 0665, Optical Techniques for Industrial Inspection; (1986) https://doi.org/10.1117/12.938724
Event: 1986 Quebec Symposium, 1986, Quebec City, Canada

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.

Citation Download Citation

M. Fairlie, J G Akkerman, and R S Timsit "Optical Techniques For The Surface Evaluation Of Bright Aluminum Sheet", Proc. SPIE 0665, Optical Techniques for Industrial Inspection, (23 October 1986); https://doi.org/10.1117/12.938724

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