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Chapter 11 Laser surface modification of metallic implant materials

  • Tuhin Kar und Arjyajyoti Goswami
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High-Performance Metallic Biomaterials
Ein Kapitel aus dem Buch High-Performance Metallic Biomaterials

Abstract

The demand for transforming biomaterialsbiomaterials into excellent medical implants for human body parts has experienced a significant surge. Implants such as screws, drug transport device, cranial devices, dental devices, and bone plates are widely used and considered promising alternatives for enhancing human life survival. Stainless, cobalt-based and titanium-based alloys are the extensively utilized materials for biological implant purposes. Selection of these materials depends on their mechanical characteristics including hardness, yield strength, and wearwear resistance in biological settings. Nevertheless, these materials experience significant surface deterioration and corrosion when exposed to prolonged durations. Poor osseointegration could result from this. These issues have prompted studies for surface modification of existing materials with potential advantages for biological applications. The objective of surface modification is to conserve the essential characteristics of the material while raising the surface biocompatibility. Laser surface modification is a method of altering the surface profile of a substrate via a high-power laser source. The procedure involves heating the material surface with the laser beam without physical contact between the laser source and workpiece and allowing the material to cool naturally through conduction. Laser surface alteration encompasses several techniques such as cladding, melting, heat treatment, shock peening, and alloying. Laser surface texturing can alter the surface wettabilitywettability and convert it into superhydrophobic or superhydrophilic. Superhydrophobic titaniumtitanium-based implants can reduce microbial adherence by minimizing the surface energy. Superhydrophilic surfaces exhibited superior osseointegration characteristics in comparison to conventional surfaces. Similarly, laser surface modification using silver imparts antibacterialantibacterial properties to titanium orthopedic tools.

Abstract

The demand for transforming biomaterialsbiomaterials into excellent medical implants for human body parts has experienced a significant surge. Implants such as screws, drug transport device, cranial devices, dental devices, and bone plates are widely used and considered promising alternatives for enhancing human life survival. Stainless, cobalt-based and titanium-based alloys are the extensively utilized materials for biological implant purposes. Selection of these materials depends on their mechanical characteristics including hardness, yield strength, and wearwear resistance in biological settings. Nevertheless, these materials experience significant surface deterioration and corrosion when exposed to prolonged durations. Poor osseointegration could result from this. These issues have prompted studies for surface modification of existing materials with potential advantages for biological applications. The objective of surface modification is to conserve the essential characteristics of the material while raising the surface biocompatibility. Laser surface modification is a method of altering the surface profile of a substrate via a high-power laser source. The procedure involves heating the material surface with the laser beam without physical contact between the laser source and workpiece and allowing the material to cool naturally through conduction. Laser surface alteration encompasses several techniques such as cladding, melting, heat treatment, shock peening, and alloying. Laser surface texturing can alter the surface wettabilitywettability and convert it into superhydrophobic or superhydrophilic. Superhydrophobic titaniumtitanium-based implants can reduce microbial adherence by minimizing the surface energy. Superhydrophilic surfaces exhibited superior osseointegration characteristics in comparison to conventional surfaces. Similarly, laser surface modification using silver imparts antibacterialantibacterial properties to titanium orthopedic tools.

Kapitel in diesem Buch

  1. Frontmatter I
  2. Preface V
  3. Contents IX
  4. Editors short bio XI
  5. List of contributing authors XIII
  6. Chapter 1 Introduction to high-performance metallic biomaterials 1
  7. Chapter 2 Design strategy of metallic biomaterials for biomedical applications 21
  8. Chapter 3 Stainless steel-based biomaterial for orthopedic fixations 41
  9. Chapter 4 Magnesium alloys for biomedical applications 61
  10. Chapter 5 Titanium and titanium alloys in medical applications 79
  11. Chapter 6 Titanium dioxide coating for biomedical devices 101
  12. Chapter 7 Surface topographies in the manufacturing of biomedical implants 133
  13. Chapter 8 Nanocoating for medical devices 149
  14. Chapter 9 Surface modification of bone screws, reconstruction surgeries 185
  15. Chapter 10 Emerging application of modern additively manufactured medical implants 205
  16. Chapter 11 Laser surface modification of metallic implant materials 229
  17. Chapter 12 Electrochemical investigations and corrosion stability of the metallic implants 251
  18. Chapter 13 In vitro studies of metallic biomaterials 273
  19. Chapter 14 Surface modification and coating of metallic implants 285
  20. Chapter 15 Challenges and prospects of metallic biomaterials: innovations, advances, and future directions 309
  21. Index 339
  22. De Gruyter series in advanced mechanicalengineering
https://doi.org/10.1515/9783111571423-011

Kapitel in diesem Buch

  1. Frontmatter I
  2. Preface V
  3. Contents IX
  4. Editors short bio XI
  5. List of contributing authors XIII
  6. Chapter 1 Introduction to high-performance metallic biomaterials 1
  7. Chapter 2 Design strategy of metallic biomaterials for biomedical applications 21
  8. Chapter 3 Stainless steel-based biomaterial for orthopedic fixations 41
  9. Chapter 4 Magnesium alloys for biomedical applications 61
  10. Chapter 5 Titanium and titanium alloys in medical applications 79
  11. Chapter 6 Titanium dioxide coating for biomedical devices 101
  12. Chapter 7 Surface topographies in the manufacturing of biomedical implants 133
  13. Chapter 8 Nanocoating for medical devices 149
  14. Chapter 9 Surface modification of bone screws, reconstruction surgeries 185
  15. Chapter 10 Emerging application of modern additively manufactured medical implants 205
  16. Chapter 11 Laser surface modification of metallic implant materials 229
  17. Chapter 12 Electrochemical investigations and corrosion stability of the metallic implants 251
  18. Chapter 13 In vitro studies of metallic biomaterials 273
  19. Chapter 14 Surface modification and coating of metallic implants 285
  20. Chapter 15 Challenges and prospects of metallic biomaterials: innovations, advances, and future directions 309
  21. Index 339
  22. De Gruyter series in advanced mechanicalengineering
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