Part Ⅰ Alloying and inhibition

1 Corrosion behavior and prevention strategies for magnesium(Mg)alloys&G.-L.SONG,General Motors Corporation,USA

1.1 Introduction

1.2 Corrosion characteristics and implications in protection

1.3 Corrosion mitigation strategy

1.4 Selection of corrosion protection techniques

1.5 Future trends

1.6 References

2 Corrosion performance of magnesium(Mg)alloys containing rare-earth(RE)elements&J.MENG,W.SUN,Z.TIAN,X.QIU and D.ZHANG,Chinese Academy of Sciences,China

2.1 Introduction

2.2 Factors affecting the Mg-RE alloy corrosion reaction

2.3 Structural analysis of the Mg-RE alloys containing Ce or La

2.4 Structural analysis of the Mg-RE alloys containing Y

2.5 Structural analysis of the Mg-RE alloys containing Nd

2.6 Structural analysis of Mg-RE alloys containing Gd

2.7 The effect of the cathode area and current density on corrosion

2.8 Conclusions

2.9 References

3 Corrosion inhibition of magnesium(Mg)alloys&X.-P. GUO,Huazhong University of Science and Technology,China,G.-L.SONG,General Motors Corporation,USA and J.-Y.HU and D.-B.HUANG,Huazhong University of Science and Technology,China

3.1 Introduction

3.2 Inhibitors for magnesium

3.3 The behaviour of different inhibitors on magnesium and its alloys

3.4 The influence of inhibitors on other materials

3.5 Inhibition and other corrosion protection techniques

3.6 Conclusions and future trends

3.7 References

Part Ⅱ Surface treatment and conversion

4 Surface cleaning and pre-conditioning surface treatments to improve the corrosion resistance of magnesium(Mg)alloys&D.H？CHE,Helmholtz-Zentrum Geesthacht Centre for Materials and Coastal Research,Germany and A.NOWAK and T.JOHN-SCHILLINGS,Henkel AG＆Co.KGaA,Germany

4.1 Introduction

4.2 Principles of physical or mechanical cleaning

4.3 Principles of chemical cleaning

4.4 Application of cleaning solutions to achieve the desired finish

4.5 Conclusion and sources of further information and advice

4.6 References

5 Surface processing and alloying to improve the corrosion resistance of magnesium(Mg)alloys&G.-L.SONG,General Motors Corporation,USA and Z.XU,Meda Engineering,USA

5.1 Introduction

5.2 Surface processing techniques to improve corrosion resistance

5.3 Effect of surface processing and corrosion resistance

5.4 Alloying and corrosion resistance

5.5 Conclusions and future trends

5.6 Acknowledgements

5.7 References

6 Laser treatment to improve the corrosion resistance of magnesium(Mg)alloys&J.DUTTA MAJUMDAR and I.MANNA,Indian Institute of Technology,Kharagpur,India

6.1 Introduction

6.2 Surface engineering for combating corrosion

6.3 Laser surface alloying for combating corrosion

6.4 Laser surface cladding for combating corrosion

6.5 Conclusions and future trends

6.6 Acknowledgement

6.7 References

7 Micro-arc oxidation(MAO)to improve the corrosion resistance of magnesium(Mg)alloys&B.L.JIANG and Y.F.GE,Xi'an University of Technology,China

7.1 Introduction

7.2 Micro-arc oxidation fundamentals

7.3 Techniques for the MAO process

7.4 Corrosion resistance properties of MAO coating

7.5 Applications,industrial MAO processing and exploration of new processes

7.6 Future trends

7.7 Acknowledgements

7.8 References

8 Anodization of magnesium(Mg)alloys to improve corrosion resistance&S.A.SALMAN,Nagoya University,Japan and Al-Azhar University,Egypt and M.OKIDO,Nagoya University,Japan

8.1 Introduction

8.2 Anodization treatment

8.3 Effects of anodizing parameters

8.4 Commercial magnesium anodizing processes

8.5 Other methods and recent developments in anodizing treatment of magnesium

8.6 Applications of magnesium alloys

8.7 Future trends

8.8 Sources of further information and advice

8.9 References

9 Anodization and corrosion of magnesium(Mg)alloys&G.-L.SONG,General Motors Corporation,USA and Z.SHI,The University of Queensland,Australia

9.1 Overview of anodizing techniques

9.2 Characteristics of anodizing behavior

9.3 Anodized coating/film

9.4 Influencing factors

9.5 Anodizing mechanism

9.6 Corrosion of anodized magnesium(Mg)alloys

9.7 Application examples

9.8 References

10 Corrosion-resistant coatings for magnesium(Mg)alloys&X.-B.CHEN,M.A.EASTON and N.BIRBILIS,Monash University,Australia,H.-Y.YANG,Shanghai Jiao-tong University,China and T.B.ABBOTT,Magontec Pty Ltd,Australia

10.1 Introduction

10.2 Conversion coatings for Mg alloys:chromate and phosphate coatings

10.3 Conversion coatings for Mg alloys:fluoride(F)and stannate coatings

10.4 Conversion coatings for Mg alloys:rare earth(RE)and other coatings

10.5 Coating pretreatment processes

10.6 Evaluation of the coating(corrosion)performance

10.7 Conclusions

10.8 References

Part Ⅲ Coatings

11 Corrosion-resistant electrochemical plating of magnesium(Mg)alloys&X.-B.CHEN,M.A.EASTON and N.BIRBILIS,Monash University,Australia,H.-Y.YANG,Shanghai Jiao-tong University,China and T.B.ABBOTT,Magontec Pty Ltd,Australia

11.1 Introduction

11.2 Aqueous plating:pretreatment,undercoating and electroplating

11.3 Electroless Ni-P plating

11.4 Platings from non-aqueous electrolytes

11.5 Evaluation of coatings

11.6 Conclusions

11.7 References

12 Plating techniques to protect magnesium(Mg)alloys from corrosion&K.AZUMI,Hokkaido University,Japan,H.H.ELSENTRIECY,Central Metallurgical Research and Development Institute,Egypt and J.TANG,Hokkaido University,Japan

12.1 Introduction

12.2 Coating processes

12.3 Electroplating of Al from a non-aqueous plating bath

12.4 Conclusions

12.5 References

13 Electroless nickel-boron plating to improve the corrosion resistance of magnesium(Mg)alloys&Z.-C.WANG,L.YU and Z.-B.QI,Xiamen University,China and G.-L.SONG,General Motors Corporation,USA

13.1 Introduction

13.2 Electroless Ni-B plating process and deposition mechanisms

13.3 Ni-B plating characterization

13.4 Applications and future trends

13.5 References

14 Electrodeposition of aluminum on magnesium(Mg)alloys in ionic liquids to improve corrosion resistance&W.-T.TSAI and I.-W.SUN,National Cheng Kung University,Taiwan

14.1 Introduction

14.2 Basics for ionic liquid plating

14.3 Electrochemical characteristics of AlCl3-EMIC ionic liquids

14.4 Material characteristics

14.5 Electrochemical and corrosion resistance of aluminum(Al)and aluminum/zinc(Al/Zn)-coated magnesium(Mg)alloys

14.6 Conclusions

14.7 Acknowledgement

14.8 References

15 Cold spray coatings to improve the corrosion resistance of magnesium(Mg)alloys&V.K.CHAMPAGNE and B.GABRIEL,US Army Research Laboratory,USA and J.VILLAFUERTE,CenterLine(Windsor)Ltd,Canada

15.1 Introduction

15.2 Cold spray technology

15.3 Cold spray commercial equipment

15.4 Corrosion protection by cold spray

15.5 Conclusions

15.6 References

16 Electroless electrophoresis coatings to improve the corrosion resistance of magnesium(Mg)alloys&G.-L.SONG,General Motors Corporation,USA

16.1 Introduction

16.2 Electroless electrophoresis coating on Mg

16.3 Coating protection performance

16.4 Factors influencing the formation of electroless electrophoresis coatings

16.5 Potential applications of electroless electrophoresis coatings

16.6 Conclusions and future trends

16.7 Acknowledgments

16.8 References

17 Sol-gel coatings to improve the corrosion resistance of magnesium(Mg)alloys&Q.LI,Southwest University,China

17.1 Introduction

17.2 Sol-gel coatings and how they improve the corrosion resistance of Mg alloys

17.3 Applications of sol-gel coatings

17.4 Future trends

17.5 References

Part Ⅳ Case studies

18 Magnesium(Mg)corrosion protection techniques in the automotive industry&G.S.COLE,LightWeightStrategies LLC,USA

18.1 Introduction

18.2 Corrosion of magnesium

18.3 Preventing corrosion

18.4 The use of coatings in corrosion prevention

18.5 Applications of corrosion mitigation for magnesium automotive parts

18.6 Future trends

18.7 References

19 Control of biodegradation of magnesium(Mg)alloys for medical applications&K.YANG and L.TAN,Chinese Academy of Sciences,China

19.1 Introduction

19.2 Mg alloys studied for medical applications

19.3 Corrosion/biodegradation of Mg alloys in the body environment

19.4 Corrosion control techniques for biodegradable Mg alloys

19.5 Future trends

19.6 References

Index