alexa Next generation orthopaedic implants by additive manufacturing using electron beam melting.
General Science

General Science

Journal of Biotechnology & Biomaterials

Author(s): Murr LE, Gaytan SM, Martinez E, Medina F, Wicker RB

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Abstract This paper presents some examples of knee and hip implant components containing porous structures and fabricated in monolithic forms utilizing electron beam melting (EBM). In addition, utilizing stiffness or relative stiffness versus relative density design plots for open-cellular structures (mesh and foam components) of Ti-6Al-4V and Co-29Cr-6Mo alloy fabricated by EBM, it is demonstrated that stiffness-compatible implants can be fabricated for optimal stress shielding for bone regimes as well as bone cell ingrowth. Implications for the fabrication of patient-specific, monolithic, multifunctional orthopaedic implants using EBM are described along with microstructures and mechanical properties characteristic of both Ti-6Al-4V and Co-29Cr-6Mo alloy prototypes, including both solid and open-cellular prototypes manufactured by additive manufacturing (AM) using EBM.
This article was published in Int J Biomater and referenced in Journal of Biotechnology & Biomaterials

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