An Investigation on Rigidity of Ball-Socket Hip Joint Replacement

M. Normahira; A.Z. Ahmad Firdaus; G.N. Molijol

doi:10.4028/www.scientific.net/AMM.754-755.1059

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 754-755An Investigation on Rigidity of Ball-Socket Hip...

An Investigation on Rigidity of Ball-Socket Hip Joint Replacement

Abstract:

A 3-dimensional hip joint implant model was constructed which separates into three individual parts namely femoral stem with neck, femoral head and acetabular cup. Each part were assigned with the specific materials and a total of 3000 N loads was applied to mimic the body weight of an adult in static position or in double leg standing position. The results of the stress distribution were obtained from the finite element analysis for the difference diameter for each component of ball-socket and neck as well as the difference materials. The results showed that an optimum diameter of femoral ball-socket with 36 mm and titanium alloy have design rigidity which provided better performance and longer life span based on 13.922 Mpa equivalent stress .

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Periodical:

Applied Mechanics and Materials (Volumes 754-755)

Pages:

1059-1064

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.754-755.1059

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Online since:

April 2015

Authors:

M. Normahira, A.Z. Ahmad Firdaus, G.N. Molijol

Keywords:

Acetabular Cup, Femoral Head, Stress Distribution

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