Resistance spot welding is the most common jointing process of parts used in automotive industry. Several methods to represent spot welds are available, and the purpose of this work is to compare two different methods of spot weld modeling through a correlation study, taking into consideration the maximum force withstood by the welded joint, between virtual and lab test results. These spot weld representation methods are beam and solid elements. The tests used in this correlation study load the specimens under pure shear and pure normal forces. And n order to complete this correlation study, the understand of the spot weld failure criteria is also necessary.A soldagem a ponto por resistência é o processo de união de partes mais comum utilizado na indústria automobilística. Vários métodos de representação de pontos de solda estão disponíveis, e este trabalho se propõe comparar dois métodos de modelagem de pontos de solda através de um estudo de correlação, em termos da força máxima suportada pela junta soldada, entre os resultados de testes virtuais e de laboratório. Estes métodos de representação dos pontos de solda são os elementos de viga e os elementos sólidos. Os testes utilizados neste estudo de correlação carregam o corpo de provas sob ação de forças de cisalhamento e normal aplicadas diretamente no ponto de solda. E para completar este estudo de correlação, o entendimento dos critérios de falha de juntas soldadas também é necessário.


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    Title :

    Correlation Study of Spot Welded Specimens' Behavior using Finite Element Method


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    2008 SAE Brasil Congress and Exhibit ; 2008



    Publication date :

    2008-10-07




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English


    Keywords :


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