Synthesis and Characterization of Carbon Nanotubes Doped Hydroxyapatite Nanoceramic for Orthopedic Applications

Singh, Virender and Devi, Sarita and Pandey, V.S. and Bharj, R.S. and Tyagi, Sachin (2018) Synthesis and Characterization of Carbon Nanotubes Doped Hydroxyapatite Nanoceramic for Orthopedic Applications. Transactions of the Indian Institute of Metals, 71 (1). pp. 177-183. ISSN 0972-2815 (Print) 0975-1645 (Online)

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Official URL: https://link.springer.com/article/10.1007/s12666-0...

Abstract

Nano-sized bioceramic hydroxyapatite (HAp) reinforced with carbon nanotubes (CNT) is synthesized using the sol–gel technique with phosphoric acid and calcium nitrate tetrahydrate as a phosphorous and calcium precursor, respectively. The ‘as synthesized’ nanocomposite powder is characterized for phase and structural analysis using X-ray diffractometry, FTIR and Raman spectroscopy. The morphological analysis of HAp/CNT nanocomposite is done using field emission scanning electron microscopy. The tribological properties including wear rate and coefficient of friction are done by coating HAp and HAp/CNT nanocomposite on implant material (SS 316L) using spin coating technique. The wear is reduced by 24.57% for HAp-coated SS316L and 29.6% for HAp-5% CNT-coated SS316 substrate. The addition of CNT in HAp matrix leads to lowering of the coefficient of friction.

Item Type: Article
Uncontrolled Keywords: Hydroxyapatite; Carbon nanotubes; Sol–gel; Tribological
Subjects: CSIO > Nano Science and Nano Technology
Divisions: Nano Science and Nano Technology
Depositing User: Ms T Kaur
Date Deposited: 28 Feb 2019 15:47
Last Modified: 28 Feb 2019 15:47
URI: http://csioir.csio.res.in/id/eprint/778

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