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Three-dimensional finite element modeling of thermomechanical problems in functionally graded hydroxyapatite/titanium plate


Jamaludin, Siti Nur Sakinah and Basri, Shahnor and Ahmad Hussain, and Al-Othmany, Dheya Shujaa and Mustapha, Faizal and Muhammad Nuruzzaman, Dewan (2014) Three-dimensional finite element modeling of thermomechanical problems in functionally graded hydroxyapatite/titanium plate. Mathematical Problems in Engineering, 2014. art. no. 371462. pp. 1-20. ISSN 1024-123X; ESSN: 1563-5147


The composition of hydroxyapatite (HA) as the ceramic phase and titanium (Ti) as the metallic phase in HA/Ti functionally graded materials (FGMs) shows an excellent combination of high biocompatibility and high mechanical properties in a structure. Because the gradation of these properties is one of the factors that affects the response of the functionally graded (FG) plates, this paper is presented to show the domination of the grading parameter on the displacement and stress distribution of the plates. A three-dimensional (3D) thermomechanical model of a 20-node brick quadratic element is used in the simulation of the thermoelastic behaviors of HA/Ti FG plates subjected to constant and functional thermal, mechanical, and thermomechanical loadings. The convergence properties of the present results are examined thoroughly in order to assess the accuracy of the theory applied and to compare them with the established research results. Instead of the grading parameter, this study reveals that the loading field distribution can be another factor that reflects the thermoelastic properties of the HA/Ti FG plates. The FG structure is found to be able to withstand the thermal stresses while preserving the high toughness properties and thus shows its ability to operate at high temperature.

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Additional Metadata

Item Type: Article
Divisions: Faculty of Engineering
DOI Number: https://doi.org/10.1155/2014/371462
Publisher: Hindawi Publishing Corporation
Keywords: Finite element modeling; Thermomechanical problems; Functionally graded materials; Hydroxyapatite; Titanium plate
Depositing User: Nurul Ainie Mokhtar
Date Deposited: 10 Feb 2016 08:47
Last Modified: 10 Feb 2016 08:47
Altmetrics: http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.1155/2014/371462
URI: http://psasir.upm.edu.my/id/eprint/35849
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