Aluminium oxide : structure, production and applications /

"Aluminium Oxide: Structure, Production and Applications opens with a study wherein it is proposed that, according to the electrolyte composition and the parameters of an applied electric signal, it is possible to obtain either barrier or porous oxide films with precisely controlled dimensions....

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Detalles Bibliográficos
Clasificación:Libro Electrónico
Otros Autores: Hermansen, Anton E. (Editor )
Formato: Electrónico eBook
Idioma:Inglés
Publicado: New York : Nova Science Publishers, [2020]
Colección:Chemistry research and applications series.
Temas:
Aluminum oxide.
Alumine.
corundum.
Aluminum oxide
Acceso en línea:Texto completo
Tabla de Contenidos:
  • Intro
  • Contents
  • Preface
  • Theoretical Bases and Mechanisms of the Electrochemical Alumina Films Formation
  • Abstract
  • 1. Introduction
  • 1.1. Importance of Anodization for the Industrial Practice
  • 1.2. Anodization. Basic Terminology and Concepts
  • 1.2.1. Conceptual Backgrounds
  • 1.2.2. Anodization Reactions
  • 2. Oxide Layers on Metals
  • 3. Processes Caused by the Anodic Polarization of Metals
  • 3.1. Formation of Oxide Layers
  • 3.2. Electrochemical Polishing
  • 3.3. Electrochemical Etching
  • 4. Classification of the Anodic Films Formed on Aluminum and Its Alloys
  • 6.1.2.2. Interface Control Models
  • 6.1.2.3. Mixed Internal Surface Control Model
  • 6.1.3. Equation of Young
  • 6.2. Electron Currents in the System
  • 6.3. Dissolution Currents in the System
  • 7. Barrier AAO Formation Mechanisms. Conceptual Backgrounds
  • 7.1. Currents Flowing through the (+)Al/Barrier AAO/ Electrolyte
  • 7.2. Barrier AAO Layers Growth Kinetics in Galvanostatic Regime
  • 7.2.1. Current Density
  • 7.2.2. Electric Field Intensity
  • 7.2.3. Composition of the Used Electrolyte
  • 7.2.4. Electrolyte Temperature
  • 7.3. Breakdown Phenomena
  • 7.3.1. Principle Backgrounds
  • 7.3.2. Definition and Registration of the Basic Electric Variables
  • 7.3.2.1. Influence of the Current Density
  • 7.3.2.2. Influence of the Electrolyte Composition
  • 7.3.2.3. Influence of the Electrolyte Temperature
  • 7.3.2.4. Influence of the Metallic Substrate Impurities
  • 7.4. Hypotheses for the Electric Breakdown Mechanism and Origin
  • 7.4.1. Thermally Induced Breakdowns Hypothesis
  • 7.4.2. Microcracks Induced Breakdown Hypothesis
  • 7.4.3. Hypothesis for Avalanche Breakdown through the Oxide Layer Defects
  • 7.5. Quantitative Theories for the Electric Breakdown Origin and Mechanism
  • 7.5.1. Dependence of the Breakdown Voltage from the Current Density and Electric Field Strength
  • 7.5.2. Correlation between the Breakdown Voltage and the Electrolyte Composition
  • 7.5.3. Correlation between the Breakdown Voltage and the Electrolyte Temperature
  • 7.6. Barrier AAO Layers Growth Kinetics in Voltastatic Regimes
  • 7.7. Ranges of Ionic and Electron Conductivity during Barrier AAOs Formation
  • 8. Porous AAO Formation Mechanisms. Conceptual Backgrounds
  • 8.1. Conceptual Backgrounds
  • 8.2. Kinetics of the Porous AAO Layer Growth
  • 8.2.1. At Galvanostatic Regime

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