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    Advances in homopolar welding of API linepipe for deepwater applications

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    PN_238_Carnes.pdf (63.86Kb)
    Date
    1997-10
    Author
    Carnes, R.W.
    Hudson, R.C
    Nichols, S.P.
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    Abstract
    The University of Texas at Austin Center for Electromechanics is conducting a research program to study homopolar welding of line pipe for J-Lay applications. In 1995, the third year of the five year research program, process improvements increased Charpy V-Notch impact toughness properties to near parent metal values, while maintaining acceptable strength. After demonstrating repeatable performance, research focused on real world effects including evaluating the effect of poor fit up resulting from misalignment and rough and wavy interfaces. During the final year of the research program, the pipe welding program has scaled up to 12-inch nominal line pipe, a sevenfold increase in cross-sectional area. The paper will cover basics of homopolar welding, mechanical properties, weld upset profile, HPW metallurgy, and the studies of real world effects. Results from homopolar welding of 12-inch pipe will also be presented.
    Department
    Center for Electromechanics
    Subject
    Rotating Machine EM Launch
    JIP
    EPD
    homopolar welding
    URI
    http://hdl.handle.net/2152/33055
    xmlui.dri2xhtml.METS-1.0.item-citation
    R.W. Carnes, R.S. Hudson, and S.P. Nichols, “Advances in homopolar welding of API linepipe for deepwater applications,” 72nd Annual SPE Technical Conference and Exhibition, San Antonio, Texas, U.S.A., October 5-8, 1997.
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    University of Texas at Austin Libraries
    • facebook
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    • CONTACT US
    • MAPS & DIRECTIONS
    • JOB OPPORTUNITIES
    • UT Austin Home
    • Emergency Information
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    • Web Accessibility Policy
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    • Adobe Reader
    Subscribe to our NewsletterGive to the Libraries

    © The University of Texas at Austin