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Abdal, A, Noorani, R, Cha, G. (1399). Comparative Evaluation of Carbon Reinforced Polyetherketone Acetabular Cup using Finite Element Analysis. سامانه مدیریت نشریات علمی, 10(6), 761-770. doi: 10.31661/jbpe.v0i0.2005-1123
A Abdal; R Noorani; G Cha. "Comparative Evaluation of Carbon Reinforced Polyetherketone Acetabular Cup using Finite Element Analysis". سامانه مدیریت نشریات علمی, 10, 6, 1399, 761-770. doi: 10.31661/jbpe.v0i0.2005-1123
Abdal, A, Noorani, R, Cha, G. (1399). 'Comparative Evaluation of Carbon Reinforced Polyetherketone Acetabular Cup using Finite Element Analysis', سامانه مدیریت نشریات علمی, 10(6), pp. 761-770. doi: 10.31661/jbpe.v0i0.2005-1123
Abdal, A, Noorani, R, Cha, G. Comparative Evaluation of Carbon Reinforced Polyetherketone Acetabular Cup using Finite Element Analysis. سامانه مدیریت نشریات علمی, 1399; 10(6): 761-770. doi: 10.31661/jbpe.v0i0.2005-1123

Comparative Evaluation of Carbon Reinforced Polyetherketone Acetabular Cup using Finite Element Analysis

Journal of Biomedical Physics and Engineering
مقاله 56، دوره 10، شماره 6، اسفند 2020، صفحه 761-770    اصل مقاله (936.84 K)
نوع مقاله: Original Research
شناسه دیجیتال (DOI): 10.31661/jbpe.v0i0.2005-1123
نویسندگان
A Abdal* 1؛ R Noorani2؛ G Cha3
1MSc, Department of Mechanical Engineering, Loyola Marymount University, Los Angeles, USA
2PhD, Department of Mechanical Engineering, Loyola Marymount University, Los Angeles, USA
3PhD, The Aerospace Corporation, 2310 E. El Segundo Blvd., El Segundo, CA 90245, USA
چکیده
Background: Patients suffering from osteoarthritis undergo surgery to replace hip joints with hip prosthesis implants. Today most acetabular cups of hip prostheses are made of Ultra-High-Molecular-Weight-Polyethylene. However, these materials acting as acetabular cups of the implant have been recalled since patients have been feeling uncomfortable and abstained from physical activities. A newly introduced material, 30% Carbon Reinforced Polyetherketone, possess better isotropic mechanical properties and lower wear rates.
Objective: The research aims to compare the von-Mises stresses and deformation in static and dynamic loading of Ultra-High Molecular-Weight-Polyethylene to 30% Reinforced Carbon Fiber Polyetherketone using Finite Element Analysis.
Material and Methods: An analytical study was performed to evaluate material selection and their contact performances of acetabular cups. Four pairs have been analyzed under loading conditions following ASTM F2996-13 and ISO 7206-4 standards. The acetabular cups options are made of 30% Carbon Reinforced Fiber Polyetherketone or Ultra-High-Molecular-Weight-Polyethylene. Besides, the femoral head and steam options are either Alumina Ceramic or Cobalt Chrome Molybdenum.
Results: The yield strength of Ultra-High-Molecular-Weight-Polyethylene is considerably small, resulting in the acetabular cup to fail when applied to high loading conditions. Carbon Reinforced Polyetherketone with Alumina Ceramic yielded 65% lower deformation at stumbling phase.
Conclusion: Since the study focuses on linear isotropic material properties, Alumina Ceramic dominates a higher elastic modulus than Cobalt Chrome Molybdenum, nominating it the best fit combination for lower von-Mises stresses, acting on the Carbon Reinforced Polyetherketone acetabular cup.
کلیدواژه‌ها
Hip Prosthesis؛ Carbon Fiber؛ Acetabular Cup؛ Dynamic and Static Contact؛ Finite Element Analysis؛ Acetabulum
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مراجع
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