Corrosion of Metallic Biomaterials Testing, Analysis and Controlling

Explaining the corrosion behavior of metallic biomaterials in a physiological environment, this book also describes different testing methods used in assessing the corrosion of the metallic implants, coupled with a detailed explanation of mechanisms and corrosion management strategies. In addition, a comprehensive summary of the state of the art development of degradable metallic implants based on biocorrosion, including challenges and perspectives, makes the book a unique source of information useful for the students, researchers and scientists who belong to the biomaterials, corrosion, and materials science fields.

Introduction to Biomaterials. Classification of biomaterials. Biopolymers. Bioceramics. Biometals and Composites. Applications. Metallic biomaterials. Need of metallic implants. Stainless steels. Co-Cr alloys. Titanium and titanium alloys. Magnesium and magnesium alloys. Noble metals. Developments in metallic implants. Technological achievements. Challenges. Corrosion of metallic implants. Different forms of corrosion. Basic modes of corrosion in metallic biomaterials. Corrosion mechanisms in physiological environment. Implant specific corrosion. Bio-tribocorrosion. Effect of biocorrosion on healing rate. Corrosion initiated failure of metallic implants. Corrosion testing methods for metallic implants. Standard methods used to assess the corrosion behavior of metals. Methods developed for biomaterials. Special methods. Testing procedures. Analyzing the corrosion data. Strategies to control the corrosion in metallic implants. Alloying. New composites. Surface treatments. Surface coatings. Polymer coatings. Ceramic coatings. Surface functionalization. Material dependant treatments. Degradable metallic implants based on bio-corrosion. State of the art: Biodegradable implants. Degradable metals. Iron based system. Magnesium based system. Corrosion issues and limitations. Corrosion management by different strategies. Potential applications. Challenges and future scope in developing metallic implants. corrosion perspectives: Current challenges. Development of new methods. New alloys, coatings and surface treatments. Future scope and conclusions.