On the strain hardening exponent of Cu-26Ni-17Zn alloy

  • Nagarjuna S
  • Gopalakrishna B
  • Srinivas M
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Abstract

The relationship between strain hardening exponent n and grain size of Cu-26Ni-17Zn alloy was investigated. n is found to be independent of grain size in the range of 15-120 μm. Analysis of constants in Hollomon equation (σε= Kεn) as a function of grain size was carried out. The results reveal that the constant K follows Hall-Petch relation, i.e. proportional to d-1/2whereas n is independent of d-1/2. © 2006 Elsevier B.V. All rights reserved.

Author-supplied keywords

  • Cu-Ni-Zn alloy
  • Grain size
  • Hollomon equation and n
  • Tensile testing

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Authors

  • S. Nagarjuna

  • B. Gopalakrishna

  • M. Srinivas

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