Effect of Femoral Head Size to Contact Stress at Pure Titanium Femoral Ball Head Outer Surface of Hip Joint Implant (original) (raw)

Abstract

Titanium alloys are commonly used in the application of biomechanics parts. One of the applications for hip joint prostheses. When wearing is one parameter that mostly considered, the Titanium alloy is much more superior compared to that from polyethylene derivatives. Although the wear of existing Ti-6Al-4V Titanium Alloy on Ti-6Al-4V Titanium Alloy hip joint prostheses is much lower than the more widely used polyethylene on metal bearings, there are some concerns about the toxicity of Al and V wear debris in the human body that might negative side effects to the human body. For this reason, the use of pure Titanium is a potential metal and safer to replace Ti-6Al-4V Titanium Alloy bearings. An investigation has been conducted to see the effect of femoral head size to Contact Stress at Pure Titanium Femoral Ball Head Outer Surface of Hip Joint Implant. The radius of femoral heads are 27 mm, 28 mm, and 30 mm. Numerical analysis based on Finite Element Method is used to simulate and c...

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