Improvement of an opto-thermal technique for wood

The opto-thermal transient emission radiometry measuring system has been improved by including a microscope as part of the signal detection system to achieve a higher degree of spatial resolution. This is illustrated with measurement of decay time of opto-thermal signal observed from the transverse...

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Bibliographic Details
Published in:Wood science and technology 1993-11, Vol.28 (1), p.53-58
Main Author: Moksin, M.M
Format: Article
Language:English
Subjects:
Applied sciences
condensed materials
Exact sciences and technology
microscopy
optical properties
Pinus
Polymer industry, paints, wood
Properties and testing
radiometry
thermal diffusivity
Wood
Wood. Paper. Non wovens
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Summary:The opto-thermal transient emission radiometry measuring system has been improved by including a microscope as part of the signal detection system to achieve a higher degree of spatial resolution. This is illustrated with measurement of decay time of opto-thermal signal observed from the transverse cut of pine wood samples. Good correlations were found between opto-thermal decay time and colour within the pine growth rings.
ISSN:0043-7719
1432-5225
DOI:10.1007/BF00193876