Mathematical Model for the Prediction of Impact Energy of Organic Material Based Hydroxyapatite (HAp) Reinforced Epoxy Composites 


Vol. 19,  No. 2, pp. 452-459, Feb.  2018
10.1007/s12221-018-7844-5


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  Abstract

This research investigated the effect of calcination temperature on the yield of hydroxyapatite powders (HAp) prepared from organic material. Bio-composites as well as mathematical model to predict the composites impact energy using response surface methodology (RSM) were subsequently developed. Snail shells were sourced as waste from farm plantation and were washed thoroughly to remove adherent impurities before they were oven dried at 300 for 5 hours. The dried shells were pulverized into powders and divided into two portions before they were calcined at different temperatures of 1000 and 1200 , respectively. Then, the calcined powders were treated in a phosphoric acid to produce HAp samples. After characterized using EDX to examine their chemical compositions, HAp sample produced at 1200 oC gave the optimal Ca/P=1.68, equivalent to that of natural bone, and was later used as reinforcing filler to develop HAp/epoxy composites of varied filler contents; 2, 4, 6, 8 and 10 wt%. From the results, it was observed that the incorporation of HAp fillers from 6 to 10 wt% significantly enhanced the mechanical properties, wear resistance and hydrophilic properties of the composites. These attest that the developed composites are structurally suitable for biomedical application. Furthermore, the obtained RSM results for impact energy are in good agreement with the experimental results with about 93 % ANOVA confidence.

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  Cite this article

[IEEE Style]

I. O. Oladele, O. S. Akinola, O. G. Agbabiaka, J. A. Omotoyinbo, "Mathematical Model for the Prediction of Impact Energy of Organic Material Based Hydroxyapatite (HAp) Reinforced Epoxy Composites," Fibers and Polymers, vol. 19, no. 2, pp. 452-459, 2018. DOI: 10.1007/s12221-018-7844-5.

[ACM Style]

I. O. Oladele, O. S. Akinola, O. G. Agbabiaka, and J. A. Omotoyinbo. 2018. Mathematical Model for the Prediction of Impact Energy of Organic Material Based Hydroxyapatite (HAp) Reinforced Epoxy Composites. Fibers and Polymers, 19, 2, (2018), 452-459. DOI: 10.1007/s12221-018-7844-5.

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