Dynamic computational wear model of PEEK-on-XLPE bearing couple in total hip replacements
AT Alpkaya, S Mihcin - Medical Engineering & Physics, 2023 - Elsevier
Understanding wear mechanisms is a key factor to prevent primary failures causing revision
surgery in total hip replacement (THR) applications. This study introduces a wear prediction
model of (Polyetheretherketone) PEEK-on-XLPE (cross-linked polyethylene) bearing couple
utilized to investigate the wear mechanism under 3D-gait cycle loading over 5 million cycles
(Mc). A 32-mm PEEK femoral head and 4-mm thick XLPE bearing liner with a 3-mm PEEK
shell are modeled in a 3D explicit finite element modeling (FEM) program. The volumetric …
surgery in total hip replacement (THR) applications. This study introduces a wear prediction
model of (Polyetheretherketone) PEEK-on-XLPE (cross-linked polyethylene) bearing couple
utilized to investigate the wear mechanism under 3D-gait cycle loading over 5 million cycles
(Mc). A 32-mm PEEK femoral head and 4-mm thick XLPE bearing liner with a 3-mm PEEK
shell are modeled in a 3D explicit finite element modeling (FEM) program. The volumetric …
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