A model was developed to simulate the temperature distribution and nugget formation during resistance spot welding (RSW) of zinc-coated steels. It employs a coupled thermal-electrical-mechanical analysis simulating the dynamic RSW process. Temperature-dependent thermal-electrical-mechanical material properties were considered including contact-resistance. The contact area was determined from a coupled thermal-mechanical analysis. A layer of transition elements was used to represent the change of contact area by killing or activating elements. The heat generation and temperature field were computed in a coupled thermal-electrical model. All these analyses were solved using the commercial finite element method (FEM) based on ANSYS code, and some advanced functions were used by writing a paragraph of codes by the authors. Compared with the results from only coupled thermal-electrical model in which contact area was uniform during the whole process, the result matches better to the experimental results.


    Access

    Access via TIB

    Check availability in my library

    Order at Subito €


    Export, share and cite



    Title :

    Dynamic simulation of resistance spot welding of zinc-coated steels


    Contributors:
    Wang, Lu (author) / Wang, Min (author) / Lu, Fenggui (author)

    Published in:

    China Welding ; 15 , 4 ; 39-42


    Publication date :

    2006


    Size :

    4 Seiten, 4 Bilder, 5 Tabellen, 4 Quellen



    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




    Resistance spot welding of zinc coated steels in automotive applications

    Chatterjee,K.L. / Williams,N.T. / British Steel Technical,Welsh,GB | Automotive engineering | 1989



    Electrode wear during spot welding of coated steels

    Chatterjee, K.L. / Waddell, W. | Tema Archive | 1996


    Optimization of resistance spot welding and clinching parameters for coated automotive sheet steels

    Gatial, Martin / Matta, Milan / Kascak, Lubos et al. | Tema Archive | 2010


    Resistance Spot Welding (RSW) Process Optimization for Coated and Uncoated Dual Phase 780 Steels

    Wexler, Arnon / Maatz, Donald F. / Koganti, Ramakrishna et al. | SAE Technical Papers | 2008