Thermal diffusivity measurement of black and metallic graphite paint coatings

The suitability of a single-access approach involving a pulsed laser technique for non-contact and non-destructive measurement of thermal diffusivity is further examined. It was used to measure the thermal diffusivity of black and metallic graphite paint coatings. The values obtained in the present...

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Bibliographic Details
Published in:Measurement science & technology 1999-01, Vol.10 (1), p.7-10
Main Authors: Moksin, M M, Grozescu, I V, Wahab, Z A, Yunus, W M M
Format: Article
Language:English
Subjects:
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Instruments, apparatus, components and techniques common to several branches of physics and astronomy
Lasers
Optical instruments, equipment and techniques
Optics
Physics
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Summary:The suitability of a single-access approach involving a pulsed laser technique for non-contact and non-destructive measurement of thermal diffusivity is further examined. It was used to measure the thermal diffusivity of black and metallic graphite paint coatings. The values obtained in the present work are (2.46 plus /minus 0.08) mult 10 exp -7 and (2.04 plus/minus 0.06) mult 10 exp -7 m exp 2 s exp -1 for black and metallic graphite paint coatings respectively. All measurements were performed at room temperature. (Example materials: mild steel and a glass fiber-phenolic resin composite.)
ISSN:0957-0233
1361-6501
DOI:10.1088/0957-0233/10/1/005