Holographic interferometry, new method of nondestructive testing (HNDT) is described; coherent laser light is used in recording and reconstructing three-dimensional images and interference fringe patterns; HNDT can quickly and reliably detect hidden flaws in tires, rubber-to-metal bonds, metal-to-metal bonds, and other objects; through mild stressing (heat, pressure, creep, vacuum, vibration, etc) of test object, well below its elastic limit, subsurface anomalies are manifested in form of minute surface displacements which are easily apparent in holographic interferograms, indicating location, size, and shape of variety of anomalies; equipment used and results obtained. (19316)


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    Title :

    Holographic nondestructive testing (HNDT) in automotive industry


    Additional title:

    SAE Paper


    Contributors:
    Grant, R.M. (author) / Brown, G.M. (author)

    Conference:

    SAE Meeting ; 1969 Testing


    Published in:

    Publication date :

    1969


    Size :

    17 pages


    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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