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Study of Microstructure and Mechanical Properties of an Ankle Prosthesis Removing

Published online by Cambridge University Press:  12 May 2015

J. G. Flores Becerra
Affiliation:
Universidad Politécnica Valle de México; Grupo Ciencia e Ingeniería de Materiales, UPVM, Tultitlán. Edo de México
N. López Perrusquia*
Affiliation:
Universidad Politécnica Valle de México; Grupo Ciencia e Ingeniería de Materiales, UPVM, Tultitlán. Edo de México
M. A. Doñu Ruiz
Affiliation:
Universidad Politécnica Valle de México; Grupo Ciencia e Ingeniería de Materiales, UPVM, Tultitlán. Edo de México
A. López Perrusquia*
Affiliation:
Instituto Nacional de Rehabilitación (INR), Calz. México Xochimilco No. 289 Col. Arenal de Guadalupe, CP14389, México
J.V. Cortes Suarez
Affiliation:
Universidad Autónoma Metropolitana Azcapotzalco Avenida San Pablo 180, Azcapotzalco, Reynosa Tamaulipas, 02200 Ciudad de México, Distrito Federal
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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.

Type
Articles
Copyright
Copyright © Materials Research Society 2015 

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