This paper reviews shearography and its applications in nondestructive testing. Shearography is a laser-based technique for full-field and non-contacting measurement of surface deformation (displacement or strains). The technique can be used for strain measurement, design verification and optimization, material characterization, residual stress evaluation, leak detection, vibration studies and 3-D shape measurement. Despite being a relative young technique, it has already received considerable industrial acceptance for nondestructive testing. One major difference of shearography from other non-destructive testing techniques is the mechanics of revealing flaws. Shearography reveals defects in an object by identifying defect-induced deformation anomalies which are more relevant to structural weakness.


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    Title :

    SHEAROGRAPHY: A Full-Field Measurement Technique and Application in Non-Destructive Testing


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    SAE 2005 World Congress & Exhibition ; 2005



    Publication date :

    2005-04-11




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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