Material processing of hydroxyapatite and titanium alloy (HA/Ti) composite as implant materials using powder metallurgy: A review

Arifin, Amir and Sulong, Abu Bakar and Muhamad, Norhamidi and Syarif, Junaidi and Ramli, Mohd Ikram (2014) Material processing of hydroxyapatite and titanium alloy (HA/Ti) composite as implant materials using powder metallurgy: A review. Materials & Design, 55. pp. 165-175. ISSN 02613069

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Official URL: http://dx.doi.org/10.1016/j.matdes.2013.09.045

Abstract

The bio-active and biodegradable properties of hydroxyapatite (HA) make this material a preferred candidate for implants such as bone replacement in replacing natural tissues damaged by diseases and accidents. However, the low mechanical strength of HA hinders its application. Combining HA with a biocompatible material with a higher mechanical strength, such as a titanium (Ti) alloy, to form a composite has been of interest to researchers. A HA/Ti composite would possess characteristics essential to modern implant materials, such as bio-inertness, a low Young's modulus, and high biocompatibility. However, there are issues in the material processing, such as the rheological behavior, stress-shielding, diffusion mechanism and compatibility between the two phases. This paper reviews the HA and Ti alloy interactions under various conditions, in vitro and in vivo tests for HA/Ti composites, and common powder metallurgy processes for HA/Ti composites (e.g., pressing and sintering, isostatic pressing, plasma spraying, and metal injection molding). © 2013 Elsevier Ltd.

Item Type: Article
Subjects: T Technology > TJ Mechanical engineering and machinery > TJ1-1570 Mechanical engineering and machinery
T Technology > TS Manufactures > TS1080-1268 Paper manufacture and trade
Divisions: Faculty of Engineering > 21201-Mechanical Engineering (S1)
Depositing User: Amir Arifin
Date Deposited: 22 Oct 2019 04:16
Last Modified: 22 Oct 2019 04:16
URI: http://repository.unsri.ac.id/id/eprint/12216

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