Robust quantitative depth estimation on CFRP samples using active thermography inspection and numerical simulation updating; NDT & E International; Vol. 87

Robust quantitative depth estimation on CFRP samples using active thermography inspection and numerical simulation updating; NDT & E International; Vol. 87

Bibliographic Details
Parent link:	NDT & E International: Scientific Journal Vol. 87.— 2017.— [P. 119–123]
Corporate Author:	Национальный исследовательский Томский политехнический университет (ТПУ) Институт неразрушающего контроля (ИНК) Лаборатория № 34 (Тепловых методов контроля)
Other Authors:	Peeters J. Jeroen, Ibarra-Castando C. Clemente, Sfarra S. Stefano, Maldague K. Ksavje, Dirckx J. J. J. Joris, Steenackers G. Gunther
Summary:	Title screen A quantitative evaluation of delaminations in composite laminates encounters multiple difficulties due to the anisotropic behaviour of the laminate. Extensive calibrations for each structure are required and each depth needs certain manual modifications for optimal performance of the estimation routines. In this manuscript, a robust technique is developed using a numerical model to estimate the thermal diffusivity through the anisotropic material which improves defect depth estimation between each layer. Three different calibration depths are necessary to compute the diffusivity through a certain stacking sequence of a multi-layered composite laminate. The results are compared with the state-of-the-arts experimental evaluation techniques and with a regular numerical model. It is seen that especially for deeper defects, the optimised numerical model delivers more accurate results due to the considered anisotropic diffusivity. Режим доступа: по договору с организацией-держателем ресурса
Language:	English
Published:	2017
Subjects:	электронный ресурс труды учёных ТПУ обратные задачи термография количественная оценка неразрушающая оценка depth estimation FE updating inverse problem pulsed thermography quantitative non-destructive evaluation
Online Access:	https://doi.org/10.1016/j.ndteint.2017.02.003
Format:	Electronic Book Chapter
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=654879

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