Effect of pre-oxidation on the erosion-corrosion of Incoloy 800H in fluidized bed environments

Margaret Stack, F.H. Stott, G.C. Wood

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

Abstract

The environments in which erosion-corrosion occurs in advanced coal-conversion systems are complex and dependent on a wide variety of variables; in some, such as fluidized beds, wastage is due to large concentrations of slow moving particles; the effect of preoxidation of Incoloy 800H in these environments has been investigated to ascertain the potential benefit of such a pre-treatment; since the extent of erosion-corrosion in such conditions is dependent on the erosion and corrosion parameters, the effects of temperature and velocity were investigated for both pre-oxidized and as-received specimens; the results are discussed in terms of the existing erosion-corrosion results in fluidized bed environments; a map of the process is proposed, which shows the transition from erosion-dominated to corrosion-dominated behavior, and the method of determining the boundaries of such a map is outlined; the present erosion-corrosion data are incorporated on the map, from knowledge of the kinetic and micrographic analysis.
LanguageEnglish
Title of host publicationHeat Resistant Materials
Place of PublicationOhio, USA
Pages333-342
Number of pages10
Publication statusPublished - Dec 1991

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corrosion
erosion
oxidation
effect
coal
kinetics
temperature

Keywords

  • metallurgy
  • erosion-corrosion
  • incoloy
  • fluidized bed environments

Cite this

Stack, M., Stott, F. H., & Wood, G. C. (1991). Effect of pre-oxidation on the erosion-corrosion of Incoloy 800H in fluidized bed environments. In Heat Resistant Materials (pp. 333-342). Ohio, USA.
Stack, Margaret ; Stott, F.H. ; Wood, G.C. / Effect of pre-oxidation on the erosion-corrosion of Incoloy 800H in fluidized bed environments. Heat Resistant Materials. Ohio, USA, 1991. pp. 333-342
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Stack, M, Stott, FH & Wood, GC 1991, Effect of pre-oxidation on the erosion-corrosion of Incoloy 800H in fluidized bed environments. in Heat Resistant Materials. Ohio, USA, pp. 333-342.

Effect of pre-oxidation on the erosion-corrosion of Incoloy 800H in fluidized bed environments. / Stack, Margaret; Stott, F.H.; Wood, G.C.

Heat Resistant Materials. Ohio, USA, 1991. p. 333-342.

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

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T1 - Effect of pre-oxidation on the erosion-corrosion of Incoloy 800H in fluidized bed environments

AU - Stack, Margaret

AU - Stott, F.H.

AU - Wood, G.C.

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N2 - The environments in which erosion-corrosion occurs in advanced coal-conversion systems are complex and dependent on a wide variety of variables; in some, such as fluidized beds, wastage is due to large concentrations of slow moving particles; the effect of preoxidation of Incoloy 800H in these environments has been investigated to ascertain the potential benefit of such a pre-treatment; since the extent of erosion-corrosion in such conditions is dependent on the erosion and corrosion parameters, the effects of temperature and velocity were investigated for both pre-oxidized and as-received specimens; the results are discussed in terms of the existing erosion-corrosion results in fluidized bed environments; a map of the process is proposed, which shows the transition from erosion-dominated to corrosion-dominated behavior, and the method of determining the boundaries of such a map is outlined; the present erosion-corrosion data are incorporated on the map, from knowledge of the kinetic and micrographic analysis.

AB - The environments in which erosion-corrosion occurs in advanced coal-conversion systems are complex and dependent on a wide variety of variables; in some, such as fluidized beds, wastage is due to large concentrations of slow moving particles; the effect of preoxidation of Incoloy 800H in these environments has been investigated to ascertain the potential benefit of such a pre-treatment; since the extent of erosion-corrosion in such conditions is dependent on the erosion and corrosion parameters, the effects of temperature and velocity were investigated for both pre-oxidized and as-received specimens; the results are discussed in terms of the existing erosion-corrosion results in fluidized bed environments; a map of the process is proposed, which shows the transition from erosion-dominated to corrosion-dominated behavior, and the method of determining the boundaries of such a map is outlined; the present erosion-corrosion data are incorporated on the map, from knowledge of the kinetic and micrographic analysis.

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Stack M, Stott FH, Wood GC. Effect of pre-oxidation on the erosion-corrosion of Incoloy 800H in fluidized bed environments. In Heat Resistant Materials. Ohio, USA. 1991. p. 333-342