Crack inspection on tanks using shearography

Noe Alcala Ochoa; Gabriel Mendiola Anda; Miguel Mora Gonzalez; Luis Martinez Escobedo; Celia Escamilla

doi:10.1117/12.611907

14 February 2005 Crack inspection on tanks using shearography

Noe Alcala Ochoa, Gabriel Mendiola Anda, Miguel Mora Gonzalez, Luis Martinez Escobedo, Celia Escamilla

Proceedings Volume 5776, Eighth International Symposium on Laser Metrology; (2005) https://doi.org/10.1117/12.611907
Event: Eighth International Conference on Laser Metrology, 2005, Merida, Mexico

Abstract

A shearing system for crack inspection on tanks is reported. A compact device comprised of a Michelson type shearing interferometer, a diode laser, a phase shifting element, a pzt to deform the object under test and a car with magnetic wheels to move the full system. It is proved that a light car with magnetic wheels can support vertically a shearing system and obtain in real-time wrapped deformation phase without decorrelating the fields. This phase deformation system would enable us to analyze big tanks with confidence and security.

Citation Download Citation

Noe Alcala Ochoa, Gabriel Mendiola Anda, Miguel Mora Gonzalez, Luis Martinez Escobedo, and Celia Escamilla "Crack inspection on tanks using shearography", Proc. SPIE 5776, Eighth International Symposium on Laser Metrology, (14 February 2005); https://doi.org/10.1117/12.611907

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