About the book
Since 1907, cobalt alloys have been used when Elwood Haynes obtained his first patents on cobalt-chromium compositions. Many commercial cobalt based alloys are categorized in cobalt-chromium-tungsten and cobalt-chromium-molybdenum ternaries. Cobalt alloys have good magnetic properties, corrosion and wear resistance, and high strength at elevated temperatures. These characteristics are coming from the crystallographic nature of cobalt and the corrosion resistance imparted by Co-alloys is used for resistance to wear. Tougher cobalt compositions are used for high-temperature applications and also in medical field such as in artificial knee and joints replacements and also by dentists. One of the key uses of cobalt metal is as a binder for tungsten carbide. It allows for the increased resistance to wear, hardness and toughness, essential qualities for cutting tools, metal rollers and engine components.
This book aims to present the basic concepts about the cobalt based alloys, mechanisms of their formation, and applications in various fields. This will be interesting for the research students, scientists, engineers, and material scientists.