Abstract
The study utilized the geometric element analysis method to investigate the effect of three variables (head diameter, d; head material; and neck material) on the y‐direction displacement, due to fretting (Δ), in a model of the head‐neck connection in a modular version of the femoral component of a hip implant, subjected to a resultant hip joint force only. It was found that while d and neck material exerted a strong effect on Δ, the head material had practically no such effect. The implications of this finding for design and materials selection issues for this connection are discussed.
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