Abstract
The current investigation orients towards the finite element analysis of polymeric-based knee implant along with nanodiamond nanocomposite spacer. The spacer is a High-Density Polyethylene (HDPE) hybrid nanocomposite reinforced with nanodiamond as a filler material at 0.1 wt%. The structural analysis of the spacer is performed in ANSYS Workbench 19.0 at different flexion angles (i.e., 0, 15, 30, 45, and 700) with a load of 1000 N. The outcomes of the results confirmed that the peak value Equivalent Von-Mises stress (MPa) and Contact Pressure (MPa) for the spacer are 25.978 MPa and 35.817 MPa, which occur at 450 flexion angle of the femoral component. It is also noted that with HDPE/0.1ND composite as spacer material, the value of maximum Equivalent Von-Mises stress is lower than the yield stress, which makes HDPE/0.1ND an ideal material for the spacer to be used as knee arthroplasty implant material.
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