Biomechanical and Physical Properties Selection of Ti-Ha-CaCO3 Biocomposite Prostheses for Replacement of Bone Atrophy


  • H. K. Ibrahim University of Ilorin
  • M. S. Abolarin Department of Mechanical Engineering, Federal University of Technology, PMB 65, Minna, Niger State, Nigeria.
  • A. S. Abdulrahman Department of Material and Metallurgical Engineering, Federal University of Technology, PMB 65, Minna, Niger State, Nigeria.
  • O. Adedipe Department of Mechanical Engineering, Federal University of Technology, PMB 65, Minna, Niger State, Nigeria.
  • U. G. Okoro Department of Mechanical Engineering, Federal University of Technology, PMB 65, Minna, Niger State, Nigeria.


Biocomposite, Biomechanical, Structure, Properties, Prosthesis and Image J, Biocomposite, Biomechanical, Structure, Properties, Prosthesis, ImageJ


Traditional prosthetic materials often lack the desired properties to mimic the mechanical behaviour of natural bone, leading to complications and reduced implant longevity. This study aims to conduct a biomechanical and physical properties selection analysis for biocomposite prostheses' suitable for replacing bone atrophy. This involves evaluating the mechanical properties of developed biocomposites with different structures (dense, porous and gradient) to ensure compatibility with the mechanical properties of bone. The radar chart was adopted to compare and evaluate the mechanical strength of various biocomposite implants and identify the most suitable prosthesis for load-bearing bone replacement. The study utilises powder metallurgy, scanning electron microscopy (SEM), and ImageJ software to produce and characterise the pore size distribution of the biocomposites, respectively. The findings of this study revealed the gradient and porous biocomposites exhibited desired mechanical properties with porosity of 20.67 and 27.72 % pore size up to 134 and 256 μm, compressive strength of 174 and 149.29 MPa and compressive modulus of 30.42 and 28.3 GPa respectively. The SEM analysis, coupled with pore size distribution and porosity percentage measurements, offers valuable information for designing and fabricating biomaterials with enhanced properties. The gradient biocomposite was identified to be the best sample for load-bearing bone replacements by the selection analysis because of its high compressive strength and low modulus, which is within the established cortical bone mechanical properties.

Author Biographies

M. S. Abolarin, Department of Mechanical Engineering, Federal University of Technology, PMB 65, Minna, Niger State, Nigeria.

Department of Mechanical Engineering, Federal University of Technology, PMB 65, Minna, Niger State, Nigeria./ Professor

A. S. Abdulrahman, Department of Material and Metallurgical Engineering, Federal University of Technology, PMB 65, Minna, Niger State, Nigeria.

Department of Material and Metallurgical Engineering, Federal University of Technology, PMB 65, Minna, Niger State, Nigeria/ Professor

O. Adedipe, Department of Mechanical Engineering, Federal University of Technology, PMB 65, Minna, Niger State, Nigeria.

Department of Mechanical Engineering, Federal University of Technology, PMB 65, Minna, Niger State, Nigeria.

U. G. Okoro, Department of Mechanical Engineering, Federal University of Technology, PMB 65, Minna, Niger State, Nigeria.

Department of Mechanical Engineering, Federal University of Technology, PMB 65, Minna, Niger State, Nigeria.


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