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Physical Science International Journal, ISSN: 2348-0130,Vol.: 17, Issue.: 4


Thermal Behaviour of Bone Cement in Hip Replacement


J. U. Ikekwem1, J. L. Chukwuneke1* and S. N. Omenyi1

1Department of Mechanical Engineering, Nnamdi Azikiwe University, Awka, Nigeria.

Article Information


(1) Pratima Parashar Pandey, Professor, Polymer Composites, Nanotechnology Applied Sciences, College of Engineering & Technology, Integrated Institutes of Learning, Dr. APJ Abdul Kalam Technical University, Greater Noida, India.

(2) Christian Brosseau, Distinguished Professor, Department of Physics, Université de Bretagne Occidentale, France.


(1) Hajime Yamanaka, National Hospital Organization, Shimoshizu Hospital, Japan.

(2) Triki Mohamed Amine, Sahloul Hospital, University of Sousse, Tunisia.

(3) Hiroaki Kijima, Akita University Graduate school of Medicine, Japan.

Complete Peer review History: http://www.sciencedomain.org/review-history/23770


This work involved the study of heat transfer in a cemented hip replacement. The recent rise in cemented hip replacement in Orthopaedic and trauma surgery is of alarming concern to the material usage and conditions it been subjected to. Bone cementing which is the main technology providing the bonding mechanism between the femur cavity and the prosthesis stem is the polymerization reaction between the powder and liquid monomer which is an exothermic reaction. This heat transfer mechanisms between the bone cement, the prosthesis stem and the femur bone is of concern to biomechanics engineers. The ANSYS 15.0 software was used in conjunction with the Autodesk software to model the scenario and simulate it using steady state thermal-structural analysis. It was found that the temperature that resulted from the exothermic reaction of the PMMA polymer (used as bone cement) raised the temperature in the assembly creating a heat flux amounting to 5.11x10-7W/m2 in which only 2.83x10-7 W/m2 got to the femur bone while the rest was absorbed by the prosthesis stem and the femur bone. The specific heat capacities of PMMA and femur bone were calculated as1.297kJ/kg.K and 0.59kJ/kg.K respectively. The Young Modulus for PMMA was found as 28.78GPa and 18.79GPa for femur bone. These show that it is possible to determine these properties from the simulation studies.

Keywords :

Heat transfer; femur bone; prosthesis stem; thermal-structural analysis; specific heat capacity; bone cementing.

Full Article - PDF    Page 1-14

DOI : 10.9734/PSIJ/2018/39318

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