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Controllable Macroscopic Architecture of Subtractive Manufactured Porous Iron for Cancellous Bone Analogue:Computational to Experimental Validation

引用

Journal of Bionic Engineering 2020年第2期17卷 357-369页

作者： Muhammad Azfar Noordin Rabiatul Adibah Abdul Rahim ahmad nabeel hakimi roslan Iza Azura Ali Ardiyansyah Syahrom Amir Putra Md Saad Applied Mechanics and Design School of Mechanical EngineeringFaculty of EngineeringUniversiti Teknologi Malaysia81310 UTM Johor BahruMalaysia Medical Devices and Technology Centre(MEDiTEC) Institute of Human Centred and Engineering(iHumEn)Universiti Teknologi Malaysia81310 UTM Johor BahruMalaysia School of Biomedical&Health Science Faculty of EngineeringUniversiti Teknologi Malaysia81310 UTM Johor BahruMalaysia

Higher strength and lower degradation rate of Fe compared to magnesium and zinc have made it the most reliable for orthopaedic ***,this paper studies the morphological and mechanical characteristics of porous Fe fabricated using subtractive manufacturing for load bearing bone *** types of porous Fe(19%,39%and 59%)were prepared and then modelled into a 3D model for finite element *** mechanical properties evaluated through finite element analysis were then validated by the experimental *** fluid dynamics was done in this study to evaluate the permeability and wall shear stress of the porous *** between morphological indices,mechanical properties,shear stress and permeability were then *** mechanical behaviour of porous Fe investigated through finite element analysis was in good agreement with the experimental *** mechanical properties of porous Fe specimen particularly sample C(modulus:5.63 GPa and yield strength:145.7 MPa)was tailored to the cancellous bone(modulus:0.5 GPa-18 GPa and yield strength:101 MPa-169.6 MPa).As the porosity increased,the performance of porous Fe regarding mechanical properties and morphological properties were enhanced.

关键词： mechanical characterization morphology finite element analysis porous iron shear stress permeability

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