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Journal of Materials Science

, Volume 37, Issue 11, pp 2243–2249 | Cite as

Effect of carbon content on the Hall-Petch parameter in cold drawn pearlitic steel wires

  • Won Jong Nam
  • Chul Min Bae
  • Chong Soo Lee
Article

Abstract

The effect of the carbon content on the Hall-Petch parameter has been investigated for fully pearlitic steels with the carbon range of 0.52–0.92 wt%. The increase of the carbon content in pearlitic steels enhances tensile strength and hardening rate of cold drawn pearlitic steels by the refinement of the initial interlamellar spacing and the increase of the Hall-Petch parameter. The Hall-Petch parameter is not influenced by the initial interlamellar spacing of pearlite although refining the initial interlamellar spacing increases tensile strength and hardening rate during wire drawing. However, the carbon content in cold drawn pearlitic steels significantly affects the magnitude of the Hall-Petch parameter. The magnitude of the Hall-Petch parameter, k, is expressed as a function of the volume fraction of cementite (Vc, i.e. the carbon content); k = constant · Vc1/2 · (1 − Vc), which shows a good agreement between experimental and calculated values.

Keywords

Polymer Tensile Strength Carbon Content Cementite Pearlite 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Kluwer Academic Publishers 2002

Authors and Affiliations

  • Won Jong Nam
    • 1
  • Chul Min Bae
    • 2
  • Chong Soo Lee
    • 3
  1. 1.Kookmin UniversitySeoulKorea
  2. 2.POSCO Technical Research LaboratoriesPohangKorea
  3. 3.Center for Advanced Aerospace MaterialsPohang University of Science and TechnologyPohangKorea

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