Crawling spot thermal nondestructive testing (NDT) for plaster inspection and comparison with dynamic thermography with extended heating; Thermosense XVII, Orlando, FL, United States, April 17, 1995
| Parent link: | Thermosense XVII, Orlando, FL, United States, April 17, 1995.— 1995.— [P. 53-63] |
|---|---|
| מחברים אחרים: | Bison P. Paolo, Braggiotti А. Alberto, Bressan Ch. Chiara, Marinetti S. Sergio, Mazzoldi A. Andrea, Vavilov V. P. Vladimir Platonovich |
| סיכום: | Title screen Defects in building materials located parallel to the front surface, like plaster detachment, or perpendicularly, such as cracks, are detected creating a space-varying heat flux. A variant of the `flying spot' technique called `crawling spot' was developed in order to fit requirements of these materials. This nondestructive method is performed with a localized radiant heating of the surface and synchronized local temperature measurement in the IR band. The identification of delaminations and cracks was theoretically and experimentally studied using two different procedures. Results obtained for plaster detachments were compared with dynamic thermography, applied with an extended excitation of the surface and analysis of the normalized thermal contrast both in amplitude and time. Another technique requires a continuously moving spot to heat the surface while a sequence of thermograms is recorded. The temperature profile of each pixel has to be reconstructed according to the spot speed and trajectory. This procedure was applied to stone crack detection. The experimental apparatus is thoroughly described Режим доступа: по договору с организацией-держателем ресурса |
| שפה: | אנגלית |
| יצא לאור: |
1995
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| נושאים: | |
| גישה מקוונת: | http://proceedings.spiedigitallibrary.org/proceeding.aspx?articleid=999258 |
| פורמט: | אלקטרוני Book Chapter |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=637185 |
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פריטים דומים
-
Methodology of processing experimental data in transient thermal nondestructive testing (NDT); Thermosense XVII, Orlando, FL, United States, April 17, 1995
יצא לאור: (1995) -
Peculiarities of detecting hidden corrosion in thick metals by transient IR thermography; Thermosense XXVIII,Orlando, Kissimmee, April 17, 2006
יצא לאור: (2006) -
Noise suppression in pulsed IR thermographic NDT: Efficiency of data processing algorithms; NDT & E International; Vol. 148
יצא לאור: (2024) -
Analyzing efficiency of optical and THz infrared thermography in nondestructive testing of GFRPs by using the Tanimoto criterion; NDT & E International; Vol. 117
יצא לאור: (2021) -
Inspecting smokestacks by IR thermographic surveying and heat conduction modeling; Thermosense XXIII, Orlando, April 16, 2001
מאת: Vavilov V. P. Vladimir Platonovich
יצא לאור: (2001)