Relationship between microgloss uniformity and surface texture of paper.

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Relationship between microgloss uniformity an ...
Guillaume David Bernard
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January 24, 2010 | History

Relationship between microgloss uniformity and surface texture of paper.

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A customized setup was used to measure the microgloss nonuniformity of paper. This setup can characterize gloss uniformity of an area of one square centimetre at a resolution of 16 x 16 mum2. Beckmann's light scattering model for random rough surfaces was successfully applied to describe the relationship between the surface texture parameters and the microgloss nonuniformity of a large range of coated and uncoated papers. The model, based on the Kirchhoff approximation, suggests that the variation in specular reflectance (gloss) depends only on the RMS roughness, sigma, and on the correlation length, T, of the surface height of the samples. The topography of the paper surfaces was obtained using a WYKO surface profiler. Results indicated that the relationship between the variance of microgloss followed the prediction of the Beckmann's model well. The variance of microgloss was found to be linearly dependent on a dimensionless parameter Ts for most of the samples studied. However, the dependence of the natural logarithm of the average microgloss on the square of rms roughness was nonlinear differing from the model prediction.

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Language
English
Pages
111

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Edition Notes

Thesis (M.A.Sc.)--University of Toronto, 2005.

Electronic version licensed for access by U. of T. users.

Source: Masters Abstracts International, Volume: 44-01, page: 0434.

GERSTEIN MICROTEXT copy on microfiche (2 microfiches).

The Physical Object

Pagination
111 leaves.
Number of pages
111

ID Numbers

Open Library
OL20237965M
ISBN 10
0494021462

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January 24, 2010 Edited by WorkBot add more information to works
December 11, 2009 Created by WorkBot add works page