Hydroxyapatite electro discharge coating of Zr-based bulk metallic glass for potential orthopedic application

In the past, Electro Discharge Machining (EDM) process was well known in cutting extremely hard materials and fabricating complex shapes. Recently, EDM process has been hybridized to not only shape, but also coats the surface of workpiece material. In this study, the deposition of hard carbide and c...

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Main Authors: Aliyu, A.A., Abdul-Rani, A.M., Ginta, T.L., Rao, T.V.V.L., Axinte, E., Ali, S., Ramli, M.N.
Format: Article
Institution: Universiti Teknologi Petronas
Record Id / ISBN-0: utp-eprints.23666 /
Published: Trans Tech Publications Ltd 2019
Online Access: https://www.scopus.com/inward/record.uri?eid=2-s2.0-85064386739&doi=10.4028%2fwww.scientific.net%2fKEM.796.123&partnerID=40&md5=844b8938c3f1473fa6fe807feb96bfb0
http://eprints.utp.edu.my/23666/
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spelling utp-eprints.236662021-08-19T08:08:03Z Hydroxyapatite electro discharge coating of Zr-based bulk metallic glass for potential orthopedic application Aliyu, A.A. Abdul-Rani, A.M. Ginta, T.L. Rao, T.V.V.L. Axinte, E. Ali, S. Ramli, M.N. In the past, Electro Discharge Machining (EDM) process was well known in cutting extremely hard materials and fabricating complex shapes. Recently, EDM process has been hybridized to not only shape, but also coats the surface of workpiece material. In this study, the deposition of hard carbide and calcium-based oxides on the Zr-based bulk metallic glass (BMG) using hydroxyapatite mixed electro discharge coating (HAm-EDC) have been investigated. The aim is to enhance the biocompatibility and cell adhesion of the BMG as a potential implant. The chemical composition, morphology and thickness of the coated surface were characterized through Optical Microscope, Scanning Electron Microscopy (SEM), X-ray Spectroscopy (EDS) and X-ray Diffraction (XRD). Major hydroxyapatite elemental composition (Ca, P, O), carbides (ZrC, TiC) and oxides (ZrO, CaZrO3) were formed on the treated BMG surface. A coating of about 23 µm thick was achieved. The addition of hydroxyapatite powder in the dielectric fluid enhances the Zr-based BMG surface quality by reducing the surface cracks and the crater size. © 2019 Trans Tech Publications, Switzerland Trans Tech Publications Ltd 2019 Article NonPeerReviewed https://www.scopus.com/inward/record.uri?eid=2-s2.0-85064386739&doi=10.4028%2fwww.scientific.net%2fKEM.796.123&partnerID=40&md5=844b8938c3f1473fa6fe807feb96bfb0 Aliyu, A.A. and Abdul-Rani, A.M. and Ginta, T.L. and Rao, T.V.V.L. and Axinte, E. and Ali, S. and Ramli, M.N. (2019) Hydroxyapatite electro discharge coating of Zr-based bulk metallic glass for potential orthopedic application. Key Engineering Materials, 796 . pp. 123-128. http://eprints.utp.edu.my/23666/
institution Universiti Teknologi Petronas
collection UTP Institutional Repository
description In the past, Electro Discharge Machining (EDM) process was well known in cutting extremely hard materials and fabricating complex shapes. Recently, EDM process has been hybridized to not only shape, but also coats the surface of workpiece material. In this study, the deposition of hard carbide and calcium-based oxides on the Zr-based bulk metallic glass (BMG) using hydroxyapatite mixed electro discharge coating (HAm-EDC) have been investigated. The aim is to enhance the biocompatibility and cell adhesion of the BMG as a potential implant. The chemical composition, morphology and thickness of the coated surface were characterized through Optical Microscope, Scanning Electron Microscopy (SEM), X-ray Spectroscopy (EDS) and X-ray Diffraction (XRD). Major hydroxyapatite elemental composition (Ca, P, O), carbides (ZrC, TiC) and oxides (ZrO, CaZrO3) were formed on the treated BMG surface. A coating of about 23 µm thick was achieved. The addition of hydroxyapatite powder in the dielectric fluid enhances the Zr-based BMG surface quality by reducing the surface cracks and the crater size. © 2019 Trans Tech Publications, Switzerland
format Article
author Aliyu, A.A.
Abdul-Rani, A.M.
Ginta, T.L.
Rao, T.V.V.L.
Axinte, E.
Ali, S.
Ramli, M.N.
spellingShingle Aliyu, A.A.
Abdul-Rani, A.M.
Ginta, T.L.
Rao, T.V.V.L.
Axinte, E.
Ali, S.
Ramli, M.N.
Hydroxyapatite electro discharge coating of Zr-based bulk metallic glass for potential orthopedic application
author_sort Aliyu, A.A.
title Hydroxyapatite electro discharge coating of Zr-based bulk metallic glass for potential orthopedic application
title_short Hydroxyapatite electro discharge coating of Zr-based bulk metallic glass for potential orthopedic application
title_full Hydroxyapatite electro discharge coating of Zr-based bulk metallic glass for potential orthopedic application
title_fullStr Hydroxyapatite electro discharge coating of Zr-based bulk metallic glass for potential orthopedic application
title_full_unstemmed Hydroxyapatite electro discharge coating of Zr-based bulk metallic glass for potential orthopedic application
title_sort hydroxyapatite electro discharge coating of zr-based bulk metallic glass for potential orthopedic application
publisher Trans Tech Publications Ltd
publishDate 2019
url https://www.scopus.com/inward/record.uri?eid=2-s2.0-85064386739&doi=10.4028%2fwww.scientific.net%2fKEM.796.123&partnerID=40&md5=844b8938c3f1473fa6fe807feb96bfb0
http://eprints.utp.edu.my/23666/
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score 11.62408

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