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Library | Item Barcode | Call Number | Material Type | Item Category 1 | Status |
|---|---|---|---|---|---|
Searching... | 30000010210083 | TA401.3 S37 2008 | Open Access Book | Book | Searching... |
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Summary
Summary
The oxidation of metals is, by definition, a reaction between a gas and a solid which usually produces a solid reaction product. At first glance, this would therefore seem to be a very simple process but, in fact, it is considerably more complex. One would like to think that the reaction product, i.e., the scale that forms on the metal, acts as a physical barrier between the reactants, and that the reaction should thus cease once the barrier is established. We know that this is unfortunately not the case, because transport of matter through the scale allows the reaction to continue. We also know that, because of density-differences between the metal and its oxide, the scale may not be sufficiently complete in coverage or may not adhere to the substrate because of cracking, spalling and detachment (wrinkling). In some extreme cases, the scale may even be a liquid which simply drips from the surface, or it may volatilize at operational temperatures. The reaction between a gas and a metal is truly very complicated.
Table of Contents
| 1. Thermodynamics of Mixtures | p. 1 |
| 2. Gas-Solid Equilibrium | p. 7 |
| 1. The Practical Importance of High Temperature Corrosion | p. 35 |
| 2. Experimental Techniques | p. 36 |
| 3. Phenomenological Laws | p. 69 |
| 1. Introduction | p. 77 |
| 2. Defects Responsible for the Growth of Compact Scales | p. 78 |
| 3. Defects Responsible for the Growth of Porous Scales | p. 107 |
| 1. Introduction | p. 117 |
| 2. Formulation of the Elementary Processes | p. 118 |
| 3. Calculation of the Reaction Rate of the Elementary Processes | p. 128 |
| 4. General System of Equations | p. 132 |
| 5. Overall Reaction Rate Limited by one of the Elementary Chemical Processes | p. 137 |
| 6. Reaction Rate in Mixed Regimes | p. 180 |
| 1. Introduction | p. 193 |
| 2. Formation of Compact Subscales | p. 194 |
| 3. Formation of Porous and Partially Porous Scales | p. 205 |
| 1. Atmosphere Control | p. 213 |
| 2. Use of Alloys | p. 215 |
| 3. Protection by Coatings | p. 233 |
| 1. Stoichiometry and Electrical Conductivity of NiO | p. 251 |
| 2. Stoichiometry of Nb2O5 | p. 258 |
| 3. Phase Equilibria in the System Ni-S-O at 900 K | p. 263 |
| 4. Manganese Sulphide (MnS) Properties - Manganese Sulphidation | p. 271 |
| 5. Properties of Cobalt Oxide (CoC) - Oxidation of Cobalt | p. 281 |
| 6. Properties of Copper (I) Oxide Cu2O - Oxidation of Copper | p. 292 |
| 7. Niobium Oxidation in Oxygen or Water Vapour | p. 299 |
| 8. Lead Chlorination | p. 310 |
| 9. Oxidation of Zircaloy 4 | p. 316 |
