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The effect of alloying elements on constrained carbon equilibrium due to a quench and partition process

  • Roberto R. de Avillez , André Luiz V. da Costa e Silva , Ana Rosa F. A. Martins and Fernando C. Rizzo Assunção
Published/Copyright: June 11, 2013
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International Journal of Materials Research
From the journal International Journal of Materials Research Volume 99 Issue 11

Abstract

The model proposed by Speer et al. to calculate the constrained carbon equilibrium is expanded to include any number of substitutional solutes and coded with the MatLab and Thermo-Calc programs. This model is used to evaluate the effect of Al, Cr, Cu, Mn, Mo, Ni and Si solutes on the final austenite carbon concentration of ternary Fe – X – C alloys. Comparison is also made with the carbon concentration measured experimentally in some Transformation Induced Plasticity steels.

Keywords: Steels; Austempering; Thermodynamics; Constrained carbon equilibrium
* Correspondence address, Prof. Dr. Roberto R. de Avillez Pontifícia Universidade Católica Rua Marquês de São Vicente, 225 - DCMM 22453-900 Rio de Janeiro, RJ-Brazil Tel.: +55 21 3527 1250 Fax: +55 21 3527 1236 E-mail:

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Received: 2007-11-17
Accepted: 2008-8-27
Published Online: 2013-06-11
Published in Print: 2008-11-01

© 2008, Carl Hanser Verlag, München

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https://doi.org/10.3139/146.101764
Keywords for this article
Steels; Austempering; Thermodynamics; Constrained carbon equilibrium

Articles in the same Issue

  1. Contents
  2. Contents
  3. Basic
  4. A model to calculate the viscosity of silicate melts
  5. A model to calculate the viscosity of silicate melts
  6. A note on the application of the phase rule
  7. Thermodynamic properties of liquid silver–indium–tin alloys determined from emf measurements
  8. Unconstrained solidification and characterisation of near-eutectic Al–Cu–Ag alloys
  9. Tensile properties of L12 intermetallic foils fabricated by cold rolling
  10. Microstructural control of FeB-inoculated mottled low-alloy white iron by a design of experiments approach
  11. Applied
  12. Dislocation structure and crystallite size distribution in lath martensite determined by X-ray diffraction peak profile analysis
  13. Effect of minor addition of Pb upon interfacial reactions and mechanical properties at Sn-3.0Ag-0.5Cu/Cu and Sn-58Bi/Cu solder joints
  14. Elastic properties of braided ceramic matrix composites
  15. The influence of microstructural characteristics and contaminants on the mechanical properties and fracture topography of low cost Ti6Al4V alloy
  16. Microstructure and room temperature mechanical properties of Hf and Sn-doped Nb-20Ti-5Cr-3Al-18Si alloy
  17. The effect of alloying elements on constrained carbon equilibrium due to a quench and partition process
  18. Hardfacing behavior of Cr–Ni stainless steel with Co-based super alloys
  19. Development of SMD 32.768 kHz tuning fork-type crystals
  20. Notification
  21. DGM News
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