Mechanical stability of custom-made implants: Numerical study of anatomical device and low elastic Young's modulus alloy
作者： P. Didier , B. Piotrowski , M. Fischer , P. Laheurte
DOI: 10.1016/J.MSEC.2016.12.031
关键词: Implant 、 Materials science 、 Mechanical load 、 Finite element method 、 Stress field 、 Plasticity 、 Modulus 、 Composite material 、 Young's modulus 、 Stress shielding
摘要: The advent of new manufacturing technologies such as additive deeply impacts the approach for design medical devices. It is now possible to custom-made implants based on imaging, with complex anatomic shape, and manufacture them. In this study, two geometrical configurations implant devices are studied, standard anatomical. comparison highlights drawbacks configuration, which requires specific forming by plastic strain in order be adapted patient's morphology induces stress field bones without mechanical load implant. influence low elastic modulus materials distribution investigated. Two biocompatible alloys having ability used SLM considered, commercial Ti-6Al-4V Ti-26Nb. shown that beyond aspect, compatibility between can significantly improved Ti-26Nb compared Ti-6Al-4V.
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