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Study of Microstructure and Mechanical Properties of an Ankle Prosthesis Removing

  • J. G. Flores Becerra (a1), N. López Perrusquia (a1), M. A. Doñu Ruiz (a1), A. López Perrusquia (a2) and J.V. Cortes Suarez (a3)...

Abstract

This work studies the change microstructural and mechanical properties of an ankle prosthetic material 316LVM stainless steel, retired from a 36 year old patient. The medical grade 316LVM stainless steel was characterized by scanning electron microscopy (SEM), optical microscopy (OM), X-ray diffraction (XRD), hardness Rockwell C (HRC) and nanoindentation tests. The results showed that the ankle prosthesis has different microstructural change along the implant and presence of corrosion pits with inclusions, the mechanical properties like modulus elasticity and hardness decrease.

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