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Proceedings Paper

Using infrared thermography as a tool to analyze curling and cockling of paper
Author(s): Harri T. Kiiskinen; Pekka I. Pakarinen; Matti Luontama; Anna-Leena Laitinen
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Paper Abstract

Paper surface topology analysis with infrared thermography is described. Heat is applied perpendicular to the target. Temperature distribution of the sheet correlates well with the surface height distribution when the sheet is placed on the isothermic plate. Mathematical tools for data analysis and the mechanisms behind the curl and cockles are briefly discussed. Curl in paper and paperboard is defined as deviation from the flat form.

Paper Details

Date Published: 1 April 1992
PDF: 8 pages
Proc. SPIE 1682, Thermosense XIV: An Intl Conf on Thermal Sensing and Imaging Diagnostic Applications, (1 April 1992); doi: 10.1117/12.58529
Show Author Affiliations
Harri T. Kiiskinen, Technical Research Ctr. of Finland (Finland)
Pekka I. Pakarinen, Technical Research Ctr. of Finland (Finland)
Matti Luontama, Valmet Paper Machinery Inc. (Finland)
Anna-Leena Laitinen, Univ. of Jyvaskyla (Finland)

Published in SPIE Proceedings Vol. 1682:
Thermosense XIV: An Intl Conf on Thermal Sensing and Imaging Diagnostic Applications
Jan K. Eklund, Editor(s)

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