2007, English, German, Book, Illustrated edition: Effect of water vapour on growth and adherence of chromia scales on pure chromium / Marek Micahalik, Michael Hänsel, Willem J. Quadakkers. Michalik, Marek.

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Effect of water vapour on growth and adherence of chromia scales on pure chromium / Marek Micahalik, Michael Hänsel, Willem J. Quadakkers
 
Bookmark: http://trove.nla.gov.au/version/43984302
Physical Description
  • 133 p. : ill. (some col.) ; 24 cm.
Published
  • Jülich : Forschungszentrum Jülich, 2007.
Language
  • English
  • German

Edition details

Title
  • Effect of water vapour on growth and adherence of chromia scales on pure chromium /​ Marek Micahalik, Michael Hänsel, Willem J. Quadakkers.
Author
  • Michalik, Marek.
Other Authors
  • Hänsel, Michael.
  • Quadakkers, W. J.
Published
  • Jülich : Forschungszentrum Jülich, 2007.
Physical Description
  • 133 p. : ill. (some col.) ; 24 cm.
Series
Subjects
Contents
  • Machine derived contents note: Theory
  • 1. Introduction 1
  • 2. Metal-oxygen reactions 2
  • 2.1 Thermodynamic aspects 2
  • 2.2 Kinetic aspects of metal oxidation 5
  • 2.2.1 Oxygen adsorption 7
  • 2.2.2 Oxide nucleation 7
  • 2.2.3 Growth of the oxide layer 7
  • 3. Oxidation of chromium 9
  • 3.1 Properties of Cr 9
  • 3.1.1 Nonstochiometry and defect dependent properties. 9
  • 3.2 Oxidation of Cr in high pO2 11
  • 3.3 Oxidation of Cr in low pO2 13
  • 3.4 Oxidation mechanism of Cr in H20-containing gases 17
  • 3.5 Volatile species in the Cr-O system 19
  • 4. Oxidation of Cr in multicomponent gas mixtures 23
  • 4.1 Phase stability for Cr-O-N and Cr-O-C 23
  • 4.2 Oxidation in Air and N2-O02 gas mixtures 24
  • 4.3 Oxidation in N2-CO-CO2 gas mixtures 25
  • 4.4 Oxidation in N2-H2-H20 gas mixtures 26
  • 5. Aim of present investigation 27
  • Experimental
  • 6. Experimental description 28
  • 6.1 M aterial characterization 28
  • 6.2 Specimen preparation 28
  • 6.3 Experim ental setup 29
  • 6.4 Condition of reacting gases 31
  • 6.5 Methods used for post oxidation analysis 33
  • 7. Study of oxidation behaviour of high purity chromium, batch JUG 34
  • 7.1 Oxidation in Ar-02 gas mixtures 34
  • 7.1.1 Effect of surface preparation 38
  • 7.1.2 Volatilization of Cr-bearing species in Ar-02 gas mixtures 39
  • 7.2 Oxidation in Ar-H20 gas mixtures 41
  • 7.2.1 Effect of surface preparation 41
  • 7.2.2 Two-stage oxidation in Ar-2%H2160/​Ar-2%H2180 44
  • 7.2.3 Volatilization of Cr-bearing species in Ar-H20 gas mixtures 46
  • 7.3 Comparative TEM study on the early stages of oxidation 47
  • 7.4 Mass transport in Ar-H20 gas mixtures 54
  • 7.5 Oxidation during in-situ gas changes 57
  • 7.6 Oxidation behaviour of chromium in Ar-O2-H20 gas mixtures 62
  • 7.6.1 Volatilization of Cr-bearing species in Ar-02-H20 gas mixtures 62
  • 7.6.2 Oxidation in Ar-1%O2-x%H20 gas mixtures 63
  • 7.6.3 Oxidation in Ar-0.1%O2-x%H20 gas mixtures 65
  • 7.6.4 One-stage oxidation in Ar-%O0 2-2%H28 0. 71
  • 7.7 Oxidation behaviour of chromium in Ar-H2-H20 gas mixtures 76
  • 7.7.1 Oxidation in Ar-x%H2-7%H20 gas mixtures 76
  • 7.7.2 Time dependence of oxidation behaviour of chromium in Ar-H2-H20 78
  • 7.7.3 Two-stage oxidation in Ar-4%H2-2%H2 10/​Ar-4%H2-2%H2' O 83
  • 7.8 Oxidation behaviour in mulicomponent gas mixtures 84
  • 7.8.1 General remarks 84
  • 7.8.2 Oxidation behaviour at 10000C 85
  • 7.8.3 Oxidation behaviour at 9500C 90
  • 7.8.4 Early stages of oxidation at 9500C 93
  • 7.8.5 Oxidation in CO-CO2-H20 gas mixtures 100
  • 8. Study of oxidation behaviour of high purity chromium, batch DUR 103
  • 8.1 Oxidation behaviour at 10000C 103
  • 8.2 Oxidation behaviour at 10500C 109
  • 8.3 Time dependence on oxide adherence 112
  • 9. Studies of oxidation behaviour of low purity chromium, batch KER 115
  • 10. Effect of impurities on the oxidation behaviour of chromium 120.
Notes
  • At head of title: Forschungszentrum Jülich GmbH, Institut für Energieforschung (IEF), Werkstoffstruktur und Eigenschaften (IEF-2).
  • Originally presented as the author's thesis (doctoral)--RWTH Aachen, 2007.
  • Includes bibliographical references (p. 129-133)
  • Abstract in German.
Language
  • English
  • German
ISBN
  • 9783893364862
Libraries Australia ID
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