Design optimization of an orthopedic screw based on stress stimulus using Taguchi method and finite element analysis
Publish place: The Second National Conference on Applied Research in Electrical, Mechanical and Mechatronics
Publish Year: 1393
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
ELEMECHCONF02_353
تاریخ نمایه سازی: 22 مهر 1394
Abstract:
The objective of the current study is to investigate the influence of design factors of an orthopedic screw on stress shielding in bone-implant models. The Taguchi method with the design of experiments (DOE) is used for the optimal design of the implant. Pullout force is a common cause of screws failure. Therefore, pullout force of 80N exerts on the head of the screws to study the effect of different parameters. Defined stress transfer parameter (STP) demonstrates that elastic modulus has the most significant influence on stress shielding. Greater STP values means stress distribution is more uniform in the vicinity of bone-implant interface, which results in less stress shielding
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Authors
Nima Ashjaee
Student, Department of Mechanical Engineering, Faculty of Engineering, Ferdowsi University of Mashhad, Mashhad, Iran
Seyyedmahdi Hoseinitabatabaei
Student, Department of Mechanical Engineering, Faculty of Engineering, Ferdowsi University of Mashhad, Mashhad, Iran
Masoud Tahani
Professor, Department of Mechanical Engineering, Faculty of Engineering, Ferdowsi University of Mashhad, Mashhad, Iran
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