Modeling internal oxidation of binary Ni alloys

Georgina Zimbitas, Willem G. Sloof

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

4 Citations (Scopus)

Abstract

A numerical model is presented to simulate the diffusional transport of oxygen and that of an alloying element, within a 1-D binary Ni alloy, leading to the selective oxidation of the alloying element and the formation of an internal oxide precipitate. This specific model is written in MATLAB and, with the aid of the Matlab Toolbox, is coupled to the ThermoCalc extensive database. A reaction time is introduced to overcome problems related to the difficulty of formation of the internal oxide. Two cases are considered: Al as the alloying element for which the solubility product of the oxide forming elements is small, and Mn for which it is large.

Original languageEnglish
Title of host publicationHigh-Temperature Oxidation and Corrosion 2010, ISHOC-10
Pages82-87
Number of pages6
Volume696
DOIs
Publication statusPublished - 30 Sep 2011
Event3rd International Symposium on High-Temperature Oxidation and Corrosion, ISHOC-10 - Zushi, Japan
Duration: 8 Nov 201011 Nov 2010

Publication series

NameMaterials Science Forum
Volume696
ISSN (Print)0255-5476

Conference

Conference3rd International Symposium on High-Temperature Oxidation and Corrosion, ISHOC-10
CountryJapan
CityZushi
Period8/11/1011/11/10

Fingerprint

Internal oxidation
binary alloys
Alloying elements
Oxides
alloying
oxidation
oxides
reaction time
MATLAB
Precipitates
Numerical models
precipitates
solubility
Solubility
Oxygen
Oxidation
oxygen
products

Keywords

  • binary alloys
  • internal oxidation
  • numerical modeling

Cite this

Zimbitas, G., & Sloof, W. G. (2011). Modeling internal oxidation of binary Ni alloys. In High-Temperature Oxidation and Corrosion 2010, ISHOC-10 (Vol. 696, pp. 82-87). (Materials Science Forum; Vol. 696). https://doi.org/10.4028/www.scientific.net/MSF.696.82
Zimbitas, Georgina ; Sloof, Willem G. / Modeling internal oxidation of binary Ni alloys. High-Temperature Oxidation and Corrosion 2010, ISHOC-10. Vol. 696 2011. pp. 82-87 (Materials Science Forum).
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Zimbitas, G & Sloof, WG 2011, Modeling internal oxidation of binary Ni alloys. in High-Temperature Oxidation and Corrosion 2010, ISHOC-10. vol. 696, Materials Science Forum, vol. 696, pp. 82-87, 3rd International Symposium on High-Temperature Oxidation and Corrosion, ISHOC-10, Zushi, Japan, 8/11/10. https://doi.org/10.4028/www.scientific.net/MSF.696.82

Modeling internal oxidation of binary Ni alloys. / Zimbitas, Georgina; Sloof, Willem G.

High-Temperature Oxidation and Corrosion 2010, ISHOC-10. Vol. 696 2011. p. 82-87 (Materials Science Forum; Vol. 696).

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

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AB - A numerical model is presented to simulate the diffusional transport of oxygen and that of an alloying element, within a 1-D binary Ni alloy, leading to the selective oxidation of the alloying element and the formation of an internal oxide precipitate. This specific model is written in MATLAB and, with the aid of the Matlab Toolbox, is coupled to the ThermoCalc extensive database. A reaction time is introduced to overcome problems related to the difficulty of formation of the internal oxide. Two cases are considered: Al as the alloying element for which the solubility product of the oxide forming elements is small, and Mn for which it is large.

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Zimbitas G, Sloof WG. Modeling internal oxidation of binary Ni alloys. In High-Temperature Oxidation and Corrosion 2010, ISHOC-10. Vol. 696. 2011. p. 82-87. (Materials Science Forum). https://doi.org/10.4028/www.scientific.net/MSF.696.82