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Total hip arthroplasty (THA), a surgical procedure that replaces damaged or missing bone with artificial metallic or multi-material implants. It demands factors such as size, shape, material, porosity, and stress distribution to select the optimal material for patient specific implant. A standard hip implant model is employed as a reference to evaluate mechanical parameters. This analytical investigation examines various alloy combinations of Titanium (Ti), Chromium (Cr), Stainless steel 316L (SS316L) focusing on their biomechanical properties. Among the materials analyzed for hip implants, Ti-6Al-4V, Ti-Zr-5TCP, Ti-15Zr-10ZrO2, and Ti-Zr-35TCP emerged as the top-performing candidates, demonstrating a well-balanced performance across critical mechanical parameters. Ti-6Al-4V exhibited a maximum stress of 426.05 MPa, a strain of 0.0041 m/m, deformation of 0.00057 mm, and the highest factor of safety at 2.34. Ti-Zr-5TCP and Ti-15Zr-10ZrO2 displayed competitive mechanical behavior, ensuring structural integrity and durability under physiological loading.

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Mechanical Behavior Investigation of Ti-Based Biometallic Alloys for Total Hip Arthroplasty Using Finite Element Analysis

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  • 发表日期：

    2026年

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  • Prakash Thavamani,
  • M. S. Govardhanan,
  • P. Nagarajan,
  • M. Emayavaramban

摘要

Total hip arthroplasty (THA), a surgical procedure that replaces damaged or missing bone with artificial metallic or multi-material implants. It demands factors such as size, shape, material, porosity, and stress distribution to select the optimal material for patient specific implant. A standard hip implant model is employed as a reference to evaluate mechanical parameters. This analytical investigation examines various alloy combinations of Titanium (Ti), Chromium (Cr), Stainless steel 316L (SS316L) focusing on their biomechanical properties. Among the materials analyzed for hip implants, Ti-6Al-4V, Ti-Zr-5TCP, Ti-15Zr-10ZrO2, and Ti-Zr-35TCP emerged as the top-performing candidates, demonstrating a well-balanced performance across critical mechanical parameters. Ti-6Al-4V exhibited a maximum stress of 426.05 MPa, a strain of 0.0041 m/m, deformation of 0.00057 mm, and the highest factor of safety at 2.34. Ti-Zr-5TCP and Ti-15Zr-10ZrO2 displayed competitive mechanical behavior, ensuring structural integrity and durability under physiological loading.