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Revista mexicana de física
versión impresa ISSN 0035-001X
Resumen
PARRA-MICHEL, J.; MARTINEZ, A. y RAYAS, J.A.. Computation of crack tip elastic stress intensity factor in mode I by in-plane electronic speckle pattern interferometry. Rev. mex. fis. [online]. 2010, vol.56, n.5, pp.394-400. ISSN 0035-001X.
In this work, a dual illumination beam system is used to obtain the stress intensity factor in modes one (mode I) to mechanical elements during tension testing. The displacement field is obtained by means of electronic speckle pattern interferometry and phase stepping technique. Deformations are calculated by the Stokes differentiation method. Results are compared with a numerical simulation using a finite element analysis technique.
Palabras llave : Stress intensity factor; ESPI; Stokes method; phase stepping.