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Journal of Materials Science

, Volume 43, Issue 18, pp 6193–6199 | Cite as

A theoretical analysis for oxidation of titanium carbide

  • Xinmei Hou
  • Xiaodan Liu
  • Min Guo
  • Kuo-Chih ChouEmail author
Article

Abstract

The oxidation kinetics of titanium carbide (TiC) powder has been studied based on the experimental data summarized as well as theoretical analysis in terms of our model. The effects of temperature, especially the oxygen partial pressure on the oxidation kinetics, are discussed not only qualitatively but also quantitatively in the light of our special theoretical approach. The calculated results show that our theoretical analysis is reasonable.

Keywords

Oxygen Partial Pressure Oxidation Behavior Titanium Carbide SiAlON Isothermal Oxidation 

Nomenclature

α

Original TiC material phase

β

Oxide material phase

ΔE

Apparent activation energy of oxidation

ξ

Reacted fraction of oxidation

\( D_{0}^{o\beta} \)

Diffusion coefficient of oxygen

Vm

Coefficient depending on substance and reaction

R0

Radius of particle with original whole particle

R

Radius of particle with original TiC powder

x

Thickness of the oxide layer in the particle\( = R_{0} - r \)

K

Equilibrium constant

\( P_{{{\text{O}}_{2}}} \)

Partial pressure of oxygen in gas phase

\( P_{{{\text{O}}_{ 2}}}^{\text{eq}} \)

Oxygen partial pressure in equilibrium with oxide

R

gas constant

t

Time in second

T

Absolute temperature with K

η

Temperautre-increasing rate

Notes

Acknowledgement

The authors would like to express their thanks to the Doctor Foundation of USTB for their kind financial support on Contract No: 11120010.

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Copyright information

© Springer Science+Business Media, LLC 2008

Authors and Affiliations

  • Xinmei Hou
    • 1
  • Xiaodan Liu
    • 1
  • Min Guo
    • 1
  • Kuo-Chih Chou
    • 1
    • 2
    Email author
  1. 1.Department of Physical ChemistryUniversity of Science and Technology BeijingBeijingChina
  2. 2.Department of Materials Sciences and EngineeringShanghai UniversityShanghaiChina

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