Description

The use of magnesium alloys is increasing in a range of applications, and their popularity is growing wherever lightweight materials are needed. This book provides a comprehensive account of the corrosion of magnesium alloys. It covers not only the corrosion performances and mechanisms of Mg alloys in conventional environments, such as sodium chloride solutions, but also looks at their corrosion behaviours in special media, like engine coolants and simulated body fluids.

Part one covers fundamentals such as the corrosion electrochemistry, activity and passivity of magnesium and its alloys. Part two then considers the metallurgical effect in relation to the corrosion of magnesium alloys, including the role of micro-structure and earth-rare elements, the corrosion behaviour of magnesium-based bulk metallic glasses, and the corrosion of innovative magnesium alloys. Part three goes on to describe environmental influences on the corrosion of magnesium alloys, such as atmospheric corrosion, stress corrosion cracking, creep and fatigue behaviour, and galvanic corrosion. Finally, part four is concerned with various means of protecting magnesium alloys against corrosion through the use of aluminium electrodeposition, conversion and electrophoretic coatings, and anodisation.

With its distinguished editor and team of contributors, this book is an invaluable resource for metallurgists, engineers and designers working with magnesium and its alloys, as well as professionals in the aerospace and automotive industries.

Key Features

  • Provides a comprehensive account of the corrosion of magnesium alloys covering fundamentals such as the corrosion electrochemistry, activity and passivity
  • Reviews the metallurgical effect in relation to the corrosion of magnesium alloys, including the role of micro-structure and earth-rare elements
  • Assesses environmental influences such as atmospheric corrosion, stress corrosion cracking, creep and fatigue behaviour, and galvanic corrosion

Readership

Metallurgists, engineers and designers working with magnesium and its alloys, as well as professionals in the aerospace and automotive industries

Table of Contents

Contributor contact details

Preface

Part I: Fundamentals

Chapter 1: Corrosion electrochemistry of magnesium (Mg) and its alloys

Abstract:

1.1 Introduction

1.2 Thermodynamics

1.3 Surface film

1.4 Anodic process

1.5 Cathodic process

1.6 Corrosion mechanism and characteristic processes

Chapter 2: Activity and passivity of magnesium (Mg) and its alloys

Abstract:

2.1 Active and passive behaviors of magnesium (Mg) and its alloys

2.2 Passive properties and stability

2.3 Improvements and promising avenues of the passive behavior

2.4 Specific factors characterizing corrosion behavior

2.5 Active and passive behaviors and corrosion forms

2.6 Performance of sacrificial magnesium (Mg) and its alloys

2.7 Mechanism of corrosion of sacrificial anodes

2.8 Examples of actual and possible uses

2.9 Evaluation of the sacrificial behavior

2.10 Future trends

2.11 Acknowledgements

Part II: Metallurgical effects

Chapter 3: Corrosion of magnesium (Mg) alloys and metallurgical influence

Abstract:

3.1 Introduction

3.2 Measurement details

3.3 Second phase effect

3.4 Impurity concentration

3.5 Surface condition

3.6 Medical implant applications

3.7 Concluding remarks

3.8 Acknowledgements

Chapter 4: Role of structure and rare earth (RE) elements on the corrosion of magnesium (Mg) alloys

Abstract:

4.1 Introduction

4.2 Role of structure on the corrosion process of magnesium (Mg) alloy

4.3 Role of rare earth (RE) elements on the corrosion process of magnesium (Mg) alloy

Chapter 5: Corrosion behaviour of magnesium (Mg)-based bulk metallic glasses

Abstract:

5.1 Introduction

5.2 Magnesium (Mg)-based bulk metallic glasses (BMGs)

5.3 Effect of micro-struc

Details

No. of pages:
656
Language:
English
Copyright:
© 2011
Published:
Imprint:
Woodhead Publishing
Print ISBN:
9781845697082
Electronic ISBN:
9780857091413

About the editor

G L Song

Guang-Ling Song is currently a Research Scientist working for General Motors Global Research and Development, USA. He is also an Adjunct Professor at the University of Queensland, Australia, known internationally for his research in the field of corrosion and corrosion protection.

Reviews

…a useful addition to any library dealing with materials… I highly recommend this book., Materials World