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Simulation and Mechanical Properties Characterization of Ti6Al4V Knee Implant
Galih Adhi Kurniawan, Andoko Andoko, Retno Wulandari, Sunomo, Agus Dwi Putra

State University of Malang


Abstract

This study aims to analyze knee joint implants from Ti6Al4V alloys using experimental and simulation methods with Finite Element Analysis (FEA). The experimental method was designed to observe the microstructure, crystal size, and chemical composition of Ti6Al4V. The simulation method is designed to analyze total deformation, maximum principle stress, and maximum shear stress with time and load variations. This study uses SEM, XRD, and XRF analysis to obtain data from the experimental method while the FEA simulation uses ANSYS software. Simulation is done based on the activities of walking, jumping, and walking down stairs for 0-0.01 seconds. SEM results indicate that Ti6Al4V has parallel strokes after the cutting process and resembles the shape of needles that regularly resemble weaving. The XRD results show that the crystal size is 2.906 x 10-5 nm. Then, the XRF results show that Ti6Al4V has 85% Ti, 2.7% Al, and 4% V. The FEA analysis results show that the knee joint implant has a total deformation of 0.00013637 mm in walking activity, 0.00015165 mm in jumping activity, and 0.00015706 mm in activity down the stairs. The maximum shear stress is 1.0852e7 Pa in the running activity, 1.4383e7 Pa in the jumping activity, and 1.2498e7 Pa in the activity down the stairs. The maximum principal voltage on the activity goes 1,404e7 Pa, at the activity jumping 1.7546e7 Pa, and on the activity down the stairs 1.6171e7 Pa.

Keywords: Simulation, Characterization, Ti6Al4V

Topic: Smart materials

Link: https://ifory.id/abstract/H8vRNVQPMqpy

Conference: International Conference on Renewable Energy (ICORE 2019)

Plain Format | Corresponding Author (Galih Kurniawan)

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