Failure Analysis of Biometals

Dear Colleagues,

Metallic biomaterials (biometals) are widely used for the manufacture of medical implants, ranging from load-bearing orthopaedic prostheses to dental and cardiovascular implants, because of their favourable combination of properties including high strength, fracture toughness, biocompatibility, wear and corrosion resistance. Additionally, they can be fabricated using well-established techniques (such as casting and forging), and recently, additive manufacturing to produce complex and customised implants. Examples of metals and metal alloys that are used for the fabrication of implants include: Ti-based alloys (e.g., Ti6Al4V and Ti6Al7Nb), Co-based alloys (e.g., CoCrMo and CoNi), austenitic stainless steels (e.g., SS316L), Zr-Nb alloys, Ni-Ti Alloys, Mg alloys, porous tantalum foams, and precious metals and alloys.

Due to the significant consequences of implant material failure/degradation, in terms of both personal and financial burden, failure analysis of biometals (in vivo, in vitro and retrieval) has been always of paramount importance in order to understand the failure mechanisms and implement suitable solutions with the aim to improve the longevity of implants in the body. 

This Special Issue aims to present the latest developments and findings in the area of biometals failure. The scope includes (but is not limited to): New/advanced biometals, microstructural evaluation, mechanical properties, failure/degradation analysis, fracture, fatigue, wear, fretting wear, fretting corrosion, corrosion, in vitro and in vivo assessments, explant analysis, implant retrieval studies, biocompatibility assessments, porous biometals, surface modifications, simulations, and modelling.

Research articles, review articles, as well as communications, are invited.

Dr. Reza H Oskouei
Guest Editor

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