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 Use of interferometric techniques for measuring the displacement field in the plane of a part-through crack existing in a plate
Please use this identifier to cite or link to this item http://hdl.handle.net/10773/6019

title: Use of interferometric techniques for measuring the displacement field in the plane of a part-through crack existing in a plate
authors: Monteiro, Jaime M.
Vaz, Mário A. P.
Melo, Francisco Q.
Gomes, J. F. Silva
keywords: Line-spring
ESPI
Interferometric techniques
Image processing
Stress intensity factor
Part-through crack
issue date: Apr-2001
publisher: Elsevier
abstract: An experimental procedure based on holographic interferometry coupled with computer-aided image processing techniques was used to estimate the stress intensity factor (SIF) of a part-through crack in a plate. The loading consisted of a uniform remote tensile stress, leading to an opening and edge rotation displacement field along the crack plane. The evaluation of the crack opening displacements and edge rotations, carried out after the numerical interpretation of the fringe pattern, made possible an estimation of the SIF along the crack line, following the theoretical basis of the Line-Spring Model developed by Rice and Levy.
URI: http://hdl.handle.net/10773/6019
ISSN: 0308-0161
publisher version/DOI: http://dx.doi.org/10.1016/S0308-0161(01)00004-7
source: International Journal of Pressure Vessles and Piping
appears in collectionsMEC - Artigos

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