High Temperature Coatings demonstrates how to counteract the thermal effects of the rapid corrosion and degradation of exposed materials and equipment that can occur under high operating temperatures. This is the first true practical guide on the use of thermally-protective coatings for high-temperature applications, including the latest developments in materials used for protective coatings. It covers the make-up and behavior of such materials under thermal stress and the methods used for applying them to specific types of substrates, as well as invaluable advice on inspection and repair of existing thermal coatings. With his long experience in the aerospace gas turbine industry, the author has compiled the very latest in coating materials and coating technologies, as well as hard-to-find guidance on maintaining and repairing thermal coatings, including appropriate inspection protocols. The book will be supplemented with the latest reference information and additional support for finding more application-type and industry-type coatings specifications and uses, with help for the reader in finding more detailed information on a specific type of coating or a specific type of use.

Key Features

· Offers overview of the underlying fundamental concepts of thermally-protective coatings, including thermodynamics, energy kinetics, crystallography, and equilibrium phases · Covers essential chemistry and physics of underlying substrates, including steels, nickel-iron alloys, nickel-cobalt alloys, and titanium alloys · Provides detailed guidance on wide variety of coating types, including those used against high temperature corrosion and oxidative degradation, as well as thermal barrier coatings


Primary: Professional engineers in materials engineering, metallurgy, mechanical engineering, aerospace engineering, and chemical engineering, Chemists and Physicists with any interest in high temperature physics and physical chemistry Secondary: Graduate students in materials engineering, metallurgy, mechanical engineering, aerospace engineering, and chemical engineering,Graduate students in chemistry and physics taking courses in solid physics and related subjects in physical chemistry

Table of Contents

PREFACE CHAPTER 1.0 INTRODUCTION REFERENCES CHAPTER 2.0 FUNDAMENTAL CONCEPTS 2.1 Thermodynamic Concepts Enthalpy Entropy Free Energy Equilibrium Constant Activity Coefficient 2.2 Concept of Kinetics Activation Energy Diffusion 2.3 Crystal Structure Defects in Crystals 2.4 Equilibrium Phases Binary Phase Diagram Ternary Phase Diagram REFERENCES CHAPTER 3.0 SUBSTRATE ALLOYS 3.1 Temperature Capability of metal and alloys 3.2 Strengthening Mechanisms 3.3 Titanium Alloys 3.4 Steels 3.5 Nickel-Iron Alloys 3.6 Nickel and Cobalt base Superalloys 3.7 Need for Coatings REFERENCES CHAPTER 4.0 OXIDATION 4.1 Oxidation Process Temperature Effects Partial Pressure Effects Composition Effects Kinetics of Oxidation Oxide Scale Protectiveness 4.2 Oxidation Testing and Evaluation Oxidation Rates Parabolic Growth, Linear Growth, Logarithmic Growth Breakaway Oxidation Influence of Thermocycling on Oxidation 4.3 Oxidation of Alloys Binary Alloy Systems Ternary and Multicomponent Alloy Systems 4.4 Role of Specific Alloying Constituents Aluminum, Chromium, Cobalt, Silicon, Boron, Titanium, Manganese, Tantalum, Molybdenum, Tungsten, Oxygen Reactive Elements, Rhenium / Ruthenium Reduction of Sulfur Level 4.5 Oxidation in the Presence of Water vapor 4.6 Oxidation of Polycrystalline Alloys versus Single


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© 2007
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