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Constitutive modeling of flow behavior of CuZn39Pb2 alloy under hot working conditions

  • Jing Yin , Shiqing Wu , Zhenlun Song , Cheng Xu and Feng Shen
Published/Copyright: August 22, 2019
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International Journal of Materials Research
From the journal International Journal of Materials Research Volume 110 Issue 9

Abstract

CuZn39Pb2 is a typical forged copper alloy widely used in various hot-forged valve bodies because of its super plasticity, high strength, and corrosion resistance. In this work, the deformation behavior of CuZn39Pb2 alloy at temperatures and strain rates of 650–750 °C and from 0.1 s−1 to 10 s−1 are investigated by isothermal hot compression tests on a Gleeble 3800 thermomechanical simulator. The experimental data are used to develop constitutive equations based on the Arrhenius-type equation. In the constitutive equations, the effects of true strain, deformation temperature, and strain rate on flow stress are incorporated and represented by the Zener–Hollomon parameter. The flow stress predicted by the constitutive equations agrees well with the experimental stress, which can be used in the finite-element simulation study of hot-forged CuZn39Pb2 alloy valve body.

Keywords: CuZn39Pb2 alloy; Constitutive model; Hot deformation; Arrhenius model; Straightening
*Correspondence address, Jing Yin, College of Mechanical Engineering, Ningbo University of Technology, No. 201, Fenghua Road, Jiangbei District, Ningbo, 315211, P.R. China, Tel.: +86057482351508, Fax: +86057482351508, E-mail:

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Received: 2018-12-10
Accepted: 2019-03-25
Published Online: 2019-08-22
Published in Print: 2019-09-16

© 2019, Carl Hanser Verlag, München

Articles in the same Issue

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  3. Thermodynamic analysis of precipitation behavior of M23C6 carbide in Nimonic 105 superalloy
  4. Texture evolution of magnesium alloy AZ31 during high temperature tensile deformation
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  6. Constitutive modeling of flow behavior of CuZn39Pb2 alloy under hot working conditions
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https://doi.org/10.3139/146.111804
Keywords for this article
CuZn39Pb2 alloy; Constitutive model; Hot deformation; Arrhenius model; Straightening

Articles in the same Issue

  1. Original Contributions
  2. Thermodynamic re-assessment of the binary Cr–Ta system down to 0 K
  3. Thermodynamic analysis of precipitation behavior of M23C6 carbide in Nimonic 105 superalloy
  4. Texture evolution of magnesium alloy AZ31 during high temperature tensile deformation
  5. Effect of reciprocating extrusion temperature and passes on the microstructural evolution of Mg-5Sn-1Si-0.8Y alloy
  6. Constitutive modeling of flow behavior of CuZn39Pb2 alloy under hot working conditions
  7. The effect of austempering on the microstructure and mechanical properties of PM Fe-0.8c steel aloyed with copper and nickel
  8. Enhancing the microstructure and grain refining performance of Al-5Ti-1B master alloy by a gas atomization process
  9. Aging response investigation of 2017 Al alloy processed by gravity and squeeze casting
  10. Die-casting aluminum alloys for high-efficiency thermal radiation components
  11. Wear and corrosion of in-situ formed Al3Zr aluminide reinforced Al3003 surface composite
  12. Magnesium aluminate spinel ceramics infiltrated with lanthanum-glass for dental applications
  13. Short Communications
  14. Influence of pre-rolling on microstructural evolution of non-basal textured magnesium alloy
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