Mechanics of additively manufactured porous biomaterials based on the rhombicuboctahedron unit cell

Journal of the Mechanical Behavior of Biomedical Materials
R HedayatiA A Zadpoor

Abstract

Thanks to recent developments in additive manufacturing techniques, it is now possible to fabricate porous biomaterials with arbitrarily complex micro-architectures. Micro-architectures of such biomaterials determine their physical and biological properties, meaning that one could potentially improve the performance of such biomaterials through rational design of micro-architecture. The relationship between the micro-architecture of porous biomaterials and their physical and biological properties has therefore received increasing attention recently. In this paper, we studied the mechanical properties of porous biomaterials made from a relatively unexplored unit cell, namely rhombicuboctahedron. We derived analytical relationships that relate the micro-architecture of such porous biomaterials, i.e. the dimensions of the rhombicuboctahedron unit cell, to their elastic modulus, Poisson's ratio, and yield stress. Finite element models were also developed to validate the analytical solutions. Analytical and numerical results were compared with experimental data from one of our recent studies. It was found that analytical solutions and numerical results show a very good agreement particularly for smaller values of apparent density. T...Continue Reading

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Dec 27, 2015·Materials Science & Engineering. C, Materials for Biological Applications·R HedayatiA A Zadpoor

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Citations

Dec 27, 2015·Materials Science & Engineering. C, Materials for Biological Applications·R HedayatiA A Zadpoor
Sep 11, 2016·Materials Science & Engineering. C, Materials for Biological Applications·R HedayatiA A Zadpoor
Oct 28, 2016·Journal of Biomedical Materials Research. Part a·Amir Abbas Zadpoor, Reza Hedayati
Nov 5, 2016·Journal of the Mechanical Behavior of Biomedical Materials·R HedayatiA A Zadpoor
Feb 7, 2017·Journal of Biomedical Materials Research. Part B, Applied Biomaterials·Reza HedayatiHossein Hosseini-Toudeshky
Sep 3, 2019·Epidemiology and Infection·Phani Krishna KondetiSuryanaryana Murty Upadhyayula
Oct 19, 2019·Biomaterials Science·Amir A Zadpoor
Sep 12, 2018·Materials·Amir A Zadpoor
Nov 9, 2019·Journal of Materials Chemistry. B, Materials for Biology and Medicine·Amir A Zadpoor
Aug 5, 2017·Materials·Reza HedayatiAmir Abbas Zadpoor
Jan 2, 2021·Materials·Naeim GhavidelniaReza Hedayati
Jun 1, 2021·Journal of the Mechanical Behavior of Biomedical Materials·Mahzad SadatiAli Abouei Mehrizi
Aug 23, 2021·Journal of the Mechanical Behavior of Biomedical Materials·Sergio Ruiz de GalarretaShaaz Ghouse

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