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Article: Fabrication of an apatite/collagen composite coating on the NiTi shape memory alloy through electrochemical deposition and coating characterisation
Title | Fabrication of an apatite/collagen composite coating on the NiTi shape memory alloy through electrochemical deposition and coating characterisation |
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Authors | |
Keywords | Coating Medical Shape memory alloys |
Issue Date | 2009 |
Publisher | Trans Tech Publications Ltd. The Journal's web site is located at http://www.scientific.net |
Citation | Materials Science Forum, 2009, v. 618-619, p. 319-323 How to Cite? |
Abstract | To improve the biocompatibility and bioactivity of NiTi shape memory alloy (SMA), apatite/collagen composite coatings were fabricated on the surface of NiTi SMA at room temperature using the electrochemical deposition technique. Spherical apatite particles and fibrous collagen that formed the composite coating were visible under scanning electron microscope (SEM). The Ca/P ratio of the apatite component in the coating, as determined by energy dispersive X-ray spectroscopy (EDX), was about 1.38 which is slightly higher than that of octocalcium phosphate (OCP). X-ray diffraction result showed that the apatite was amorphous, which was due to the low temperature (i.e., room temperature) deposition process. The structure of the composite coatings was further characterized using Fourier transform infrared reflection spectroscopy (FTIR). It was also found that, compared to bare NiTi SMA samples, the wettability of as-deposited samples was increased because of the formation of the composite coating. © (2009) Trans Tech Publications, Switzerland. |
Persistent Identifier | http://hdl.handle.net/10722/129265 |
ISSN | 2023 SCImago Journal Rankings: 0.195 |
References |
DC Field | Value | Language |
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dc.contributor.author | Sun, T | en_HK |
dc.contributor.author | Wong, JHW | en_HK |
dc.contributor.author | Wang, M | en_HK |
dc.date.accessioned | 2010-12-23T08:34:25Z | - |
dc.date.available | 2010-12-23T08:34:25Z | - |
dc.date.issued | 2009 | en_HK |
dc.identifier.citation | Materials Science Forum, 2009, v. 618-619, p. 319-323 | en_HK |
dc.identifier.issn | 0255-5476 | en_HK |
dc.identifier.uri | http://hdl.handle.net/10722/129265 | - |
dc.description.abstract | To improve the biocompatibility and bioactivity of NiTi shape memory alloy (SMA), apatite/collagen composite coatings were fabricated on the surface of NiTi SMA at room temperature using the electrochemical deposition technique. Spherical apatite particles and fibrous collagen that formed the composite coating were visible under scanning electron microscope (SEM). The Ca/P ratio of the apatite component in the coating, as determined by energy dispersive X-ray spectroscopy (EDX), was about 1.38 which is slightly higher than that of octocalcium phosphate (OCP). X-ray diffraction result showed that the apatite was amorphous, which was due to the low temperature (i.e., room temperature) deposition process. The structure of the composite coatings was further characterized using Fourier transform infrared reflection spectroscopy (FTIR). It was also found that, compared to bare NiTi SMA samples, the wettability of as-deposited samples was increased because of the formation of the composite coating. © (2009) Trans Tech Publications, Switzerland. | en_HK |
dc.language | eng | en_US |
dc.publisher | Trans Tech Publications Ltd. The Journal's web site is located at http://www.scientific.net | en_HK |
dc.relation.ispartof | Materials Science Forum | en_HK |
dc.subject | Coating | en_HK |
dc.subject | Medical | en_HK |
dc.subject | Shape memory alloys | en_HK |
dc.title | Fabrication of an apatite/collagen composite coating on the NiTi shape memory alloy through electrochemical deposition and coating characterisation | en_HK |
dc.type | Article | en_HK |
dc.identifier.email | Wang, M:memwang@hku.hk | en_HK |
dc.identifier.authority | Wang, M=rp00185 | en_HK |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.4028/www.scientific.net/MSF.618-619.319 | en_HK |
dc.identifier.scopus | eid_2-s2.0-70349482823 | en_HK |
dc.identifier.hkuros | 177529 | en_US |
dc.relation.references | http://www.scopus.com/mlt/select.url?eid=2-s2.0-70349482823&selection=ref&src=s&origin=recordpage | en_HK |
dc.identifier.volume | 618 619 | en_HK |
dc.identifier.spage | 319 | en_HK |
dc.identifier.epage | 323 | en_HK |
dc.publisher.place | Switzerland | en_HK |
dc.identifier.scopusauthorid | Sun, T=7402922748 | en_HK |
dc.identifier.scopusauthorid | Wong, JHW=35390206700 | en_HK |
dc.identifier.scopusauthorid | Wang, M=15749714100 | en_HK |
dc.identifier.issnl | 0255-5476 | - |