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Egg Yolk as pore creating agent to produce porous tri-calcium phosphate for bone implant application

Abdul Rahman, Fariza and Ahmad, Zuraida and Iis, Sopyan (2011) Egg Yolk as pore creating agent to produce porous tri-calcium phosphate for bone implant application. Advanced Materials Research, 265. pp. 760-764. ISSN 1662-8985

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Abstract

Porous tri-calcium phosphate which is to be applied as artificial bone was prepared via protein consolidation method and egg yolk is used to give binding effect as well as to create porosity. In this experiment, fractions of egg yolk is controlled from 50 wt%, 60 wt%, 70wt% and 80 wt% and the mixture of egg yolk and tri-calcium phosphate powder were dried at 60 °C before undergone uniaxial compaction method. Subsequently, pressure of 68.5 MPa is given to the mold to produce cylindrical shape samples with diameter to height ratio of 1:2. Samples were then sintered at 1100°C to achieve porous tri-calcium phosphate. This method produced porous tri-calcium phosphate with desired porosity of 20-54.5% and acceptable compressive strength between 0.7-0.07 MPa. Besides, microporosity of 0.4-1μm and macroporosity in the range of 100-800μm were successfully obtained from this method.

Item Type: Article (Journal)
Additional Information: 3254/2033
Uncontrolled Keywords: Porous tri-calcium phosphate, egg yolk, porosity, compressive strength
Subjects: T Technology > TA Engineering (General). Civil engineering (General) > TA164 Bioengineering
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button): Kulliyyah of Engineering
Kulliyyah of Engineering > Department of Manufacturing and Materials Engineering
Depositing User: Dr Zuraida Ahmad
Date Deposited: 19 Sep 2011 14:28
Last Modified: 27 Jun 2013 12:49
URI: http://irep.iium.edu.my/id/eprint/2033

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