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High-temperature deformation behavior and thermal properties of an Ni30Co17Fe53 alloy

  • Kwang Seok Lee , Dong Hyun Yoon , Joong Eun Jung , Young Won Chang and Jung Hwan Lee
Published/Copyright: June 11, 2013
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International Journal of Materials Research
From the journal International Journal of Materials Research Volume 103 Issue 7

Abstract

High temperature deformation behavior of a Ni30Co17Fe53 alloy has been investigated by carrying out hot compression tests at temperatures ranging from 600°C to 1150°C under strain rates between 10−5 and 1 s−1. Both the temperature and strain-rate dependence of the flow stress were found to be described by a hyperbolic sine function. Hot formability of this alloy was also estimated by constructing an empirical processing map based on a dynamic materials model, from which the region with high power dissipation efficiency was exhibited as a feasible combination of processing condition at around 1150°C and 10−2 s−1. Three different thermo-mechanical treatment processes were adopted for hot-forging to investigate its influence on microstructure and subsequent thermal expansion and thermal conductivity.

Keywords: Ni30Co17Fe53 alloy; Deformation behavior; Hot forging; Thermal expansion coefficient
* Correspondence address Dr. Kwang Seok Lee Korea Institute of Materials ScienceMaterials Processing Division797 Changwondaero, ChangwonGyeongnam 641-831, South Korea Tel.: +82552803380 Fax: +82552803499 E-mail:

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Received: 2011-2-25
Accepted: 2011-11-30
Published Online: 2013-06-11
Published in Print: 2012-07-01

© 2012, Carl Hanser Verlag, München

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https://doi.org/10.3139/146.110695
Keywords for this article
Ni30Co17Fe53 alloy; Deformation behavior; Hot forging; Thermal expansion coefficient

Articles in the same Issue

  1. Contents
  2. Contents
  3. Original Contributions
  4. Diffusivities and atomic mobilities in Cu-rich fcc Al–Cu–Mn alloys
  5. Phase transformations in non-isothermally annealed as-cast and cold-rolled AlMnScZr alloys
  6. High-temperature deformation behavior and thermal properties of an Ni30Co17Fe53 alloy
  7. Microstructural and mechanical properties of dual-phase steels welded using GMAW with solid and flux-cored welding wires
  8. Microstructure – wear performance relationship of hypoeutectic 15% Cr-2% Mo white iron
  9. The enhancement of wear properties of squeeze-cast A356 composites reinforced with B4C particulates
  10. Phase diagram of the Al–Dy–Zr ternary system at 773 K
  11. Calorimetric investigations of liquid gold–antimony–tin alloys
  12. Combustion synthesis and characterization of bulk nanostructured Ni50Al17Fe33 alloy
  13. Effect of sand blasting on structural, thermal, and mechanical properties of Zr58.3Cu18.8Al14.6Ni8.3 bulk metallic glass
  14. Studies of dynamic mass transfer at the slag–metal interface – Interfacial velocity measurements
  15. Structural and optical investigation of gadolinia-doped ceria powders prepared by polymer complex solution method
  16. Adsorption of bovine serum albumin onto titanium dioxide nanotube arrays
  17. CNT-based displacement sensor
  18. Non-covalent assembly of hybrid nanostructures of gold and palladium nanoparticles with carbon nanotubes
  19. Effect of solid content on performance of conductive silver paste for crystalline silicon solar cells
  20. Effect of inhomogeneous size and shape of graphite particles on the in-plane electrical conductivity of PP/G/CB composites
  21. The durability of fired brick incorporating textile factory waste ash and basaltic pumice
  22. DGM News
  23. DGM News
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