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Characterizing Al tailor-welded blanks for automotive applications

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Abstract

The application of aluminum tailor-welded blanks offers significant potential for reducing the weight of future automobiles, and improvements are being made in the development and understanding of the welding process. There are several geometric and internal weld features that make the complete numerical description of tailor-welded blank forming challenging. The variation of the experimental formability results found in the literature for aluminum tailor-welded blanks appears to be large, and a combined theoretical tensile instability and statistical analysis of internal weld porosity may explain at least some of the variation reported.

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Author information

Authors and Affiliations

  1. Battelle Pacific Northwest National Laboratory, USA

    R. W. Davies (senior development engineer)

  2. Corporate Research Division, Reynolds Metals Company, USA

    H. E. Oliver (team leader of product engineering and technology)

  3. Battelle Pacific Northwest National Laboratory, USA

    M. T. Smith (technical group manager)

  4. the Materials Engineering Department of Washington State University, USA

    G. J. Grant M.S. (candidate)

Authors
  1. R. W. Davies
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  2. H. E. Oliver
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  3. M. T. Smith
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  4. G. J. Grant M.S.
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Additional information

For more information, contact R.W. Davies, Battelle Pacific Northwest National Laboratory, 902 Battelle Blvd., P.O. Box 999, MSIN: P8-35, Richland, Washington 99352; (509) 376-5035; fax (509) 376-6034; e-mail Rich.Davies@pnl.gov.

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Davies, R.W., Oliver, H.E., Smith, M.T. et al. Characterizing Al tailor-welded blanks for automotive applications. JOM 51, 46–50 (1999). https://doi.org/10.1007/s11837-999-0222-4

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  • DOI: https://doi.org/10.1007/s11837-999-0222-4

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