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Workability of 1045 spheroidized steel under superimposed hydrostatic pressure

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Abstract

Workability tests were performed on spheroidized {dy1045} steel to investigate the variation of forming limits due to the suppression of void growth under superimposed hydrostatic pressure. Results showed that increasing pressure enhances formability, as expressed by the increasing intercept and decreasing slope of the forming-limit line. A continuum mechanical model based on the growth and coalescence of voids under externally applied pressure is proposed that ex-plains the experimental results.

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Authors and Affiliations

  1. IBM Almaden Research Center, San Jose, CA

    A.S. Kao (Staff Scientist)

  2. Department of Materials Science and Engineering, University of Pittsburgh, Pittsburgh, PA

    H. A. Kuhn (Professor)

  3. ALCOA Technical Center, Aluminum Company of America, Alcoa Center, PA

    O. Richmond (Corporate Fellow)

  4. Ames Laboratory, Iowa State University, Ames, IA

    W. A. Spitzig (Senior Metallurgist and Professor of Materials Science and Engineering)

Authors
  1. A.S. Kao
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  2. H. A. Kuhn
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  3. O. Richmond
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  4. W. A. Spitzig
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A.S., K., Kuhn, H.A., Richmond, O. et al. Workability of 1045 spheroidized steel under superimposed hydrostatic pressure. Metall Trans A 20, 1735–1741 (1989). https://doi.org/10.1007/BF02663205

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  • DOI: https://doi.org/10.1007/BF02663205

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