Spot Welding is now widely used in the fabrication of sheet metals, mainly due to the cost and time considerations. Spot welds are found in nearly all products where sheet metal is joined. Examples range from a single metal toolbox to nearly 10,000 spot welds found in a typical passenger car. Obviously the quality of the spot weld has a direct impact on the quality of the product. The problem of estimating the spot-weld quality is an important component in quality control. If the weld nuggets are improperly or incompletely formed, or the area surrounding the nugget is smaller than required, the structural integrity of the entire part may be uncertain. Furthermore these inconsistencies are usually internal and are seldom visible to Optical Inspection. This study is focused on the non-destructive evaluation of the spot welds using “Digital Shearography”. The paper mainly focuses on the implementation of this technique for the evaluation of the size of spot-welds, accurately and inline to the production facility.


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    Titel :

    Non-Destructive Evaluation of Spot Weld Using Digital Shearography


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Long, Kah Wah (Autor:in) / Yang, Lianxiang (Autor:in) / Samala, Praveen R. (Autor:in) / Lee, Yung-Li (Autor:in)

    Kongress:

    SAE 2005 World Congress & Exhibition ; 2005



    Erscheinungsdatum :

    2005-04-11




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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