Narayanan / Park / Lee Surface Modification of Magnesium and its Alloys for Biomedical Applications

Modification and Coating Techniques
1. Auflage 2015
ISBN: 978-1-78242-083-5
Verlag: Elsevier Science & Techn.
Format: EPUB
Kopierschutz: 6 - ePub Watermark

E-Book, Englisch, 460 Seiten

Reihe: Woodhead Publishing Series in Biomaterials

The development of biodegradable implants which can remain in the human body to fix a problem and subsequently dissolve, or be absorbed, consumed or excreted, without warranting a secondary surgery, is very appealing to scientists. Due to their excellent biocompatibility and biodegradability, magnesium implants provide a viable option many problems associated with permanent metallic implants such as, restenosis, thrombosis, permanent physical irritation, and inability to adapt to growth and changes in human body. Volume 2 of this important new book explores practical issues of magnesium and magnesium alloys, physical and mechanical modification and coatings to enhance this material for biomedical applications. - Includes expert analysis on chemical solution deposition of hydroxyapatite (HAp) and octacalcium (OCP) phosphate coatings for magnesium - Comprehensive coverage of biomimetic modifications, surface functionalization of biomolecules, natural, conducting and biodegradable polymeric coatings - Lucid dissection of chemical, physical, mechanical and electromechanical modifications of magnesium and its alloys for biomedical applications

Autoren/Hrsg.

Narayanan, T. S. N. Sankara

Park, Il-Song

Lee, Min-Ho

Inhaltsverzeichnis

1;Front Cover;1
2;Related titles;3
3;Surface Modification of Magnesium and its Alloys for Biomedical Applications;4
4;Copyright;5
5;Contents;6
6;List of contributors;12
7;Woodhead Publishing Series in Biomaterials;14
8;Part One - Chemical and physicalmodifications of magnesiumand its alloys for biomedicalapplications;20
8.1;1 - Fluoride conversion coatings for magnesium and its alloys for the biological environment;22
8.1.1;1.1 Introduction;22
8.1.2;1.2 Coating formation: Mechanism and characteristics;23
8.1.3;1.3 Corrosion protection properties;30
8.1.4;1.4 Conclusions and future trends;38
8.1.5;References;38
8.2;2 - Phosphate treatment of magnesium alloy implants for biomedical applications;42
8.2.1;2.1 Introduction;42
8.2.2;2.2 Degradation of magnesium and magnesium alloys;43
8.2.3;2.3 Basic requirement of surface modification;46
8.2.4;2.4 Basic phosphating process;48
8.2.5;2.5 The formation process of phosphate coating and microstructure evaluation;51
8.2.6;2.6 Anticorrosion resistance;56
8.2.7;2.7 In vitro biocompatibility;61
8.2.8;2.8 In vivo investigation;62
8.2.9;2.9 Future trends;71
8.2.10;References;71
8.3;3 - Chemical solution deposition of hydroxyapatite and octacalcium phosphate coatings for magnesium and its alloys to impro ...;78
8.3.1;3.1 Introduction;78
8.3.2;3.2 Hydroxyapatite and octacalcium phosphate coatings formed by a chemical solution deposition technique;79
8.3.3;3.3 Morphology, crystal structure and composition of HAp and OCP coatings;87
8.3.4;3.4 Long-term corrosion behaviour of OCP- and HAp-coated Mg alloy in a cell culture medium;89
8.3.5;3.5 Short-term cell culture test on HAp-coated Mg alloy;93
8.3.6;3.6 Adhesiveness of the HAp coating under tensile load;94
8.3.7;3.7 Fatigue behaviour of HAp-coated Mg alloy;94
8.3.8;3.8 Summary and future perspectives;96
8.3.9;Acknowledgements;97
8.3.10;References;97
8.4;4 - Physical vapour deposition on Mg alloys for biomedical applications;100
8.4.1;4.1 Introduction;100
8.4.2;4.2 The physical vapour deposition process and its limitations;100
8.4.3;4.3 Physical vapour deposition at low temperatures to suit magnesium alloys;102
8.4.4;4.4 Film structure;106
8.4.5;4.5 Controlling material degradation through intelligent design of PVD coating;109
8.4.6;References;117
9;Part Two - Mechanical and electrochemicalmodifications of magnesiumand its alloys for biomedicalapplications;120
9.1;5 - Cryogenic machining and burnishing of magnesium alloys to improve in vivo corrosion resistance;122
9.1.1;5.1 Introduction;122
9.1.2;5.2 Literature concerning surface integrity and corrosion resistance of Mg alloys;123
9.1.3;5.3 Surface integrity in the cryogenic machining and burnishing of AZ31 Mg alloy;126
9.1.4;5.4 Corrosion performance of machined and burnished samples;137
9.1.5;5.5 Finite element modeling of grain size changes in cryogenic machining;144
9.1.6;5.6 Summary and future trends;146
9.1.7;References;149
9.2;6 - Anodic electrodeposition of MgO coatings to improve corrosion resistance in vivo;154
9.2.1;6.1 Introduction;154
9.2.2;6.2 Preparation and characterization of MgO coating on Mg alloy;155
9.2.3;6.3 Conclusion;168
9.2.4;References;168
9.3;7 - Surface modification of magnesium and its biodegradable alloys by calcium orthophosphate coatings to improve corrosion ...;170
9.3.1;7.1 Introduction;170
9.3.2;7.2 Brief description of two major constituents;172
9.3.3;7.3 Brief discussion of the important predeposition and postdeposition procedures;176
9.3.4;7.4 Deposition techniques;181
9.3.5;7.5 Conclusions;198
9.3.6;References;199
9.4;8 - Plasma electrolytic oxidation/micro-arc oxidation of magnesium and its alloys;212
9.4.1;8.1 Introduction;212
9.4.2;8.2 Principles of PEO processing;212
9.4.3;8.3 Coating requirements for biomedical applications;215
9.4.4;8.4 Controlling coating composition, microstructure and properties for biomedical applications;219
9.4.5;8.5 Duplex treatments;229
9.4.6;8.6 Performance of PEO coatings in biomedical applications;233
9.4.7;8.7 Applications;244
9.4.8;8.8 Summary and conclusions;245
9.4.9;References;246
9.5;9 - Strategies to improve the corrosion resistance of microarc oxidation coatings on magnesium and its alloys: Implications ...;254
9.5.1;9.1 Introduction;254
9.5.2;9.2 Surface modification of Mg and its alloys by microarc oxidation (MAO);255
9.5.3;9.3 Strategies to improve the corrosion resistance of MAO-coated Mg and its alloys;256
9.5.4;9.4 Summary and concluding remarks;279
9.5.5;Acknowledgements;280
9.5.6;References;280
10;Part Three - Biomimetic modifications,surface functionalizationof biomolecules, natural,conducting and biodegradablepolymeric coatings;288
10.1;10 - Biomimetic surface modifications of magnesium and magnesium alloys for biomedical applications;290
10.1.1;10.1 Introduction;290
10.1.2;10.2 Modification of biodegradable magnesium alloy implant surfaces;291
10.1.3;10.3 Biomimetic superhydrophobic coatings on magnesium and its alloys;308
10.1.4;10.4 Conclusions;312
10.1.5;Acknowledgements;313
10.1.6;References;313
10.2;11 - Surface modification by natural biopolymer coatings on magnesium alloys for biomedical applications;320
10.2.1;11.1 Introduction;320
10.2.2;11.2 Phytic acid modification;321
10.2.3;11.3 Chitosan modification;326
10.2.4;11.4 Stearic acid modification;338
10.2.5;11.5 Gelatin modification;342
10.2.6;11.6 Bovine serum albumin modification;346
10.2.7;11.7 Future perspectives;348
10.2.8;References;350
10.3;12 - Surface modification of magnesium by functional polymer coatings for neural applications;354
10.3.1;12.1 Introduction;354
10.3.2;12.2 Current neural prosthetic devices and their material requirements;354
10.3.3;12.3 Current state and desired material properties for nerve regenerative devices;357
10.3.4;12.4 Magnesium for neural applications;358
10.3.5;12.5 Functional improvements to magnesium;360
10.3.6;12.6 Polymer coating;361
10.3.7;12.7 Coating methods;362
10.3.8;12.8 Evaluation of coating;368
10.3.9;References;370
10.4;13 - Biodegradable polymeric coatings for surface modification of magnesium-based biomaterials;374
10.4.1;13.1 Introduction;374
10.4.2;13.2 Biodegradable polymers;375
10.4.3;13.3 Polymer degradation mechanisms;376
10.4.4;13.4 Polymer biocompatibility;379
10.4.5;13.5 Polymer coating performance;381
10.4.6;13.6 Hybrid coatings;386
10.4.7;13.7 Conclusions;391
10.4.8;References;392
11;Part Four - Other methods of surfacemodification of magnesiumand its alloys;396
11.1;14 - Cold-spray coatings on magnesium and its alloys;398
11.1.1;14.1 Introduction;398
11.1.2;14.2 Current challenges of magnesium applications;399
11.1.3;14.3 Applications of cold-spray coatings on magnesium alloys;401
11.1.4;14.4 Bonding mechanism of cold-sprayed coatings on magnesium and its alloys;411
11.1.5;14.5 Future work and potential industrial application of cold-spray coatings on magnesium alloys;419
11.1.6;Acknowledgements;420
11.1.7;References;420
11.2;15 - Biocompatible strontium-phosphate and manganese-phosphate conversion coatings for magnesium and its alloys;426
11.2.1;15.1 Introduction;426
11.2.2;15.2 Development of SrPO4 coatings;431
11.2.3;15.3 Development of MnPO4 coatings;435
11.2.4;15.4 Applications and future development;443
11.2.5;15.5 General discussion;444
11.2.6;15.6 Summary;446
11.2.7;References;447
12;Index;452

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