Název: | Flash pulse phase thermography for a paint thickness determination |
Autoři: | Muzika, Lukáš Švantner, Michal |
Citace zdrojového dokumentu: | JIRKOVÁ, Hana ed.; JENÍČEK, Štepán ed. Proceedings PING 2019: modern trends in material engineering: 10.-13.09.2019, Pilsen. 1. vyd. Plzeň: University of West Bohemia, 2019, s. 74. ISBN 978-80-261-0879-5. |
Datum vydání: | 2019 |
Nakladatel: | University of West Bohemia |
Typ dokumentu: | konferenční příspěvek conferenceObject |
URI: | http://hdl.handle.net/11025/35250 |
ISBN: | 978-80-261-0879-5 |
Klíčová slova: | IRNDT;flash pulzní termografie;měření tloušťky;kontrola kvality |
Klíčová slova v dalším jazyce: | IRNDT;flash pulse thermography;thickness measurement;quality control |
Abstrakt v dalším jazyce: | The contribution describes a fast contactless measurement of a paint thickness nonuniformity using flash pulse thermography. Specimens sprayed by a paint were thermally excited by a flash lamp and temperature responses were recorded by an infrared camera. The recorded sequences were post-processed with Fast Fourier Transform to obtain phase angles. Differences in the resulting images showed phase differences which corresponded to a paint thickness non-uniformity. Furthermore, the phases were correlated with the thickness by means of calibration curve so that the paint thickness could be determined with flash pulse phase thermography measurement. The method showed a promising potential in the contactless evaluation of the paint thickness. Average error of the thickness determination was less than 10 % for samples with paint thickness from 41 to 74 μm on AISI 304 substrate. Advantages, disadvantages and limitations of described method were discussed. |
Práva: | © University of West Bohemia |
Vyskytuje se v kolekcích: | Proceedings PING 2019: modern trends in material engineering Konferenční příspěvky / Conference papers (CT3) Proceedings PING 2019: modern trends in material engineering |
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Muzika.pdf | Plný text | 179,76 kB | Adobe PDF | Zobrazit/otevřít |
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http://hdl.handle.net/11025/35250
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