The Application of the Avitzur Upper Bound Equation to Tungsten Wire Drawing and its Use in Die-Line Design

  • James A. Mullendore
Conference paper


The die line used in the drawing of tungsten wire has evolved, as is the case for most materials, through a trial and error process. No known attempts have been made to pattern the die line to the drawing characteristics of tungsten or to its mechanical properties. It was the purpose of this study to measure the force required for the drawing of tungsten wire and from those measurements and from the tensile properties, determine what an ideal die line should be.


Flow Stress Tungsten Wire Draw Force Exit Side Shear Factor 
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  1. 1.
    B. Avitzur; Metalforming: Processes and Analysis; McGraw-Hill, New York, 1970.Google Scholar
  2. 2.
    B. Avitzur; J. Eng. Ind., Vol. 89, Series B, No. 3, Aug. 1967, p.556–562.CrossRefGoogle Scholar

Copyright information

© Springer Science+Business Media New York 1971

Authors and Affiliations

  • James A. Mullendore
    • 1
  1. 1.Chemical & Metallurgical DivisionSylvania Electric Products Inc.TowandaUSA

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