Fundamentals of Magnesium Alloy Metallurgy

Magnesium and magnesium alloys offer a wealth of valuable properties, making them of great interest for use across a wide range of fields. This has led to extensive research focused on understanding the properties of magnesium and how these can be controlled during processing. Fundamentals of magnesium alloy metallurgy presents an authoritative overview of all aspects of magnesium alloy metallurgy, including physical metallurgy, deformation, corrosion and applications.

Beginning with an introduction to the primary production of magnesium, the book goes on to discuss physical metallurgy of magnesium and thermodynamic properties of magnesium alloys. Further chapters focus on understanding precipitation processes of magnesium alloys, alloying behaviour of magnesium, and alloy design. The formation, corrosion and surface finishing of magnesium and its alloys are reviewed, before Fundamentals of magnesium alloy metallurgy concludes by exploring applications across a range of fields. Aerospace, automotive and other structural applications of magnesium are considered, followed by magnesium-based metal matrix composites and the use of magnesium in medical applications.

With its distinguished editors and international team of expert contributors, Fundamentals of magnesium alloy metallurgy is a comprehensive tool for all those involved in the production and application of magnesium and its alloys, including manufacturers, welders, heat-treatment and coating companies, engineers, metallurgists, researchers, designers and scientists working with these important materials.

• Overviews all aspects of magnesium alloy metallurgy
• Discusses physical metallurgy of magnesium and thermodynamic properties of magnesium alloys
• Reviews the formation, corrosion and surface finishing of magnesium and its alloys

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Chapter 1: Primary production of magnesium

Abstract:

1.1 Introduction

1.2 Raw materials and production methods

1.3 Chemistry of extraction of magnesium from raw material

1.4 Fused salt electrolysis

1.5 Impurity removal chemistry in thermal processing

1.6 Process equipment

1.7 Melting, refining and casting magnesium

1.8 Magnesium alloy powder

1.9 Future trends

1.10 Conclusion

Chapter 2: Physical metallurgy of magnesium

Abstract:

2.1 Introduction

2.2 Crystal structure and its consequences

2.3 Plastic deformation behaviour of magnesium and its alloys

2.4 Critical resolved shear stress (CRSS), slip and twinning

2.5 Fatigue behaviour

2.6 Creep behaviour

2.7 Recrystallization and grain growth

2.8 Future trends

Chapter 3: Thermodynamic properties of magnesium alloys

Abstract:

3.1 Introduction

3.2 Fundamentals of thermodynamics

3.3 Thermodynamic properties of Mg alloys and compounds

3.4 First-principles thermodynamics of Mg alloys and compounds

3.5 Future trends

3.6 Acknowledgements

Chapter 4: Understanding precipitation processes in magnesium alloys

Abstract:

4.1 Introduction

4.2 Precipitation from supersaturated solid solution

4.3 Precipitation hardening magnesium based alloy systems

4.4 Role of precipitation hardening in the development of high strength magnesium alloys

4.5 Conclusions and future trends

Chapter 5: Alloying behavior of magnesium and alloy design

Abstract:

5.1 Introduction

5.2 Alloy design: solid solution alloying of magnesium

5.3 Alloy design: compound formation in magnesium alloys

5.4 The effects of second phases on the mechanical behavior of magnesium

5.5 Alloying with surface-active elements

5.6 Alloying elements and their effects

5.7 Summary: magnesium alloy design to enhance properties

Chapter 6: Forming of magnesium and its alloys

Abstract:

6.1 Introduction

6.2 Testing for formability

6.3 Deformation mechanisms and formability

6.4 Yield characteristics and drawability

6.5 Work hardening and stretching

6.6 Failure strain behaviour, compression, rolling and bending

6.7 Superplastic deformation and hot forming

6.8 Hot cracking and extrusion

6.9 Conclusions: key issues affecting the formability of magnesium

6.10 Future trends

Chapter 7: Corrosion and surface finishing of magnesium and its alloys

Abstract:

7.1 Introduction

7.2 Magnesium corrosion in aqueous media

7.3 Surface finishing

7.4 Implications for improving corrosion resistance and future trends

7.5 Conclusions

Chapter 8: Applications: aerospace, automotive and other structural applications of magnesium

Abstract:

8.1 Introduction

8.2 Material properties

8.3 Alloy development

8.4 Manufacturing process development

8.5 Aerospace applications

8.6 Automotive applications

8.7 Other applications

8.8 Future trends

8.9 Acknowledgements

Chapter 9: Applications: magnesium-based metal matrix composites (MMCs)

Abstract:

9.1 Introduction

9.2 Reinforcements for magnesium metal matrix composites (MMCs)

9.3 Processing of magnesium composites

9.4 Interfaces, wetting and compatibility

9.5 Properties of magnesium-based MMCs

9.6 Conclusions and future trends

Chapter 10: Applications: use of magnesium in medical applications

Abstract:

10.1 Introduction to biodegradable implants based on metals

10.2 Fundamental concepts of biodegradation

10.3 Magnesium-based biodegradable metals

10.4 Recent research and future product development

10.5 Sources of further information and advice

10.7 Appendix: list of abbreviations

Index