Abstract
In any mechanical contact, there is a need to investigate and to know some information about the contact conditions, such as materials surface topography and contact stresses. This chapter focuses on how to measure the contact stresses in the specific case of dual mobility cup, hip arthroplasty, in conformal contact, namely sphere (head) vs sphere (cup). Due to the concave connection between head and cup, finite element modeling was used to analyze the mechanical stresses occurring during the functioning. Finally, it is worth noting that measurements have been investigated in a liquid environment. Both points will be emphasized in this chapter to focus on two objectives, i.e., some tricky points: Sphere/sphere (concave/concave) contact under tribocorrosion sollicitation and the effect of liquid (swelling, etc.) on the transducer need some drastic caution. This work is dealing with it and some outlooks were indicated concerning further usages in tribocorrosion fields.
Published Version
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