Optimization total deformation of knee implants made Ti6Al4V materialDjoko Kustono, Retno Wulandari, Andoko, Poppy Puspitasari, Galih Adhi Kurniawan and Agus Dwi PutraMATEC Web Conf., 204 (2018) 07014DOI: https://doi.org/10.1051/matecconf/201820407014