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Conference Paper: New plasma surface-treated memory alloys: Towards a new generation of "smart" orthopaedic materials
Title | New plasma surface-treated memory alloys: Towards a new generation of "smart" orthopaedic materials |
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Authors | |
Keywords | Corrosion resistance NiTi Plasma immersion ion implantation |
Issue Date | 2008 |
Publisher | Elsevier SA. The Journal's web site is located at http://www.elsevier.com/locate/msec |
Citation | The 2006 Advanced Processing of Biomaterials Symposium, Materials Science and Technology Conference and Exhibition, Cincinnati, OH., 15–19 October 2006. In Materials Science And Engineering C, 2008, v. 28 n. 3, p. 454-459 How to Cite? |
Abstract | This paper describes the corrosion resistance, surface mechanical properties, cyto-compatibility, and in-vivo performance of plasma-treated and untreated NiTi samples. Nickel-titanium discs containing 50.8% Ni were treated by nitrogen and carbon plasma immersion ion implantation (PIII). After nitrogen plasma treatment, a layer of stable titanium nitride is formed on the NiTi surface. Titanium carbide is also found at the surface after carbon plasma implantation. Compared to the untreated samples, the corrosion resistances of the plasma PIII samples are better by a factor of five and the surface hardness and elastic modulus are better by a factor of two. The concentration of Ni leached into the simulated body fluids from the untreated samples is 30 ppm, whereas that from the plasma-treated PIII are undetectable. Although there is no significant difference in the ability of cells to grow on either surface, bone formation is found to be better on the nitrogen and carbon PIII sample surfaces at post-operation 2 weeks. All these improvements can be attributed to the formation of titanium nitride and titanium carbide on the surface. © 2007 Elsevier B.V. All rights reserved. |
Persistent Identifier | http://hdl.handle.net/10722/68265 |
ISSN | 2023 Impact Factor: 8.1 2020 SCImago Journal Rankings: 1.234 |
ISI Accession Number ID | |
References |
DC Field | Value | Language |
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dc.contributor.author | Yeung, KWK | en_HK |
dc.contributor.author | Chan, YL | en_HK |
dc.contributor.author | Lam, KO | en_HK |
dc.contributor.author | Liu, XM | en_HK |
dc.contributor.author | Wu, SL | en_HK |
dc.contributor.author | Liu, XY | en_HK |
dc.contributor.author | Chung, CY | en_HK |
dc.contributor.author | Lu, WW | en_HK |
dc.contributor.author | Chan, D | en_HK |
dc.contributor.author | Luk, KDK | en_HK |
dc.contributor.author | Chu, PK | en_HK |
dc.contributor.author | Cheung, KMC | en_HK |
dc.date.accessioned | 2010-09-06T06:02:56Z | - |
dc.date.available | 2010-09-06T06:02:56Z | - |
dc.date.issued | 2008 | en_HK |
dc.identifier.citation | The 2006 Advanced Processing of Biomaterials Symposium, Materials Science and Technology Conference and Exhibition, Cincinnati, OH., 15–19 October 2006. In Materials Science And Engineering C, 2008, v. 28 n. 3, p. 454-459 | en_HK |
dc.identifier.issn | 0928-4931 | en_HK |
dc.identifier.uri | http://hdl.handle.net/10722/68265 | - |
dc.description.abstract | This paper describes the corrosion resistance, surface mechanical properties, cyto-compatibility, and in-vivo performance of plasma-treated and untreated NiTi samples. Nickel-titanium discs containing 50.8% Ni were treated by nitrogen and carbon plasma immersion ion implantation (PIII). After nitrogen plasma treatment, a layer of stable titanium nitride is formed on the NiTi surface. Titanium carbide is also found at the surface after carbon plasma implantation. Compared to the untreated samples, the corrosion resistances of the plasma PIII samples are better by a factor of five and the surface hardness and elastic modulus are better by a factor of two. The concentration of Ni leached into the simulated body fluids from the untreated samples is 30 ppm, whereas that from the plasma-treated PIII are undetectable. Although there is no significant difference in the ability of cells to grow on either surface, bone formation is found to be better on the nitrogen and carbon PIII sample surfaces at post-operation 2 weeks. All these improvements can be attributed to the formation of titanium nitride and titanium carbide on the surface. © 2007 Elsevier B.V. All rights reserved. | en_HK |
dc.language | eng | en_HK |
dc.publisher | Elsevier SA. The Journal's web site is located at http://www.elsevier.com/locate/msec | en_HK |
dc.relation.ispartof | Materials Science and Engineering C | en_HK |
dc.rights | NOTICE: this is the author’s version of a work that was accepted for publication in Materials Science and Engineering C: Biomimetic Materials, Sensors and Systems. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Materials Science and Engineering C: Biomimetic Materials, Sensors and Systems, 2008, v. 28 n. 3, p. 454-459. DOI: 10.1016/j.msec.2007.04.023 | - |
dc.rights | This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License. | - |
dc.subject | Corrosion resistance | en_HK |
dc.subject | NiTi | en_HK |
dc.subject | Plasma immersion ion implantation | en_HK |
dc.title | New plasma surface-treated memory alloys: Towards a new generation of "smart" orthopaedic materials | en_HK |
dc.type | Conference_Paper | en_HK |
dc.identifier.email | Yeung, KWK:wkkyeung@hkucc.hku.hk | en_HK |
dc.identifier.email | Lu, WW:wwlu@hku.hk | en_HK |
dc.identifier.email | Chan, D:chand@hkucc.hku.hk | en_HK |
dc.identifier.email | Luk, KDK:hcm21000@hku.hk | en_HK |
dc.identifier.email | Cheung, KMC:cheungmc@hku.hk | en_HK |
dc.identifier.authority | Yeung, KWK=rp00309 | en_HK |
dc.identifier.authority | Lu, WW=rp00411 | en_HK |
dc.identifier.authority | Chan, D=rp00540 | en_HK |
dc.identifier.authority | Luk, KDK=rp00333 | en_HK |
dc.identifier.authority | Cheung, KMC=rp00387 | en_HK |
dc.description.nature | postprint | - |
dc.identifier.doi | 10.1016/j.msec.2007.04.023 | en_HK |
dc.identifier.scopus | eid_2-s2.0-39749122217 | en_HK |
dc.identifier.hkuros | 145952 | en_HK |
dc.identifier.hkuros | 215836 | - |
dc.relation.references | http://www.scopus.com/mlt/select.url?eid=2-s2.0-39749122217&selection=ref&src=s&origin=recordpage | en_HK |
dc.identifier.volume | 28 | en_HK |
dc.identifier.issue | 3 | en_HK |
dc.identifier.spage | 454 | en_HK |
dc.identifier.epage | 459 | en_HK |
dc.identifier.isi | WOS:000255451100023 | - |
dc.publisher.place | Switzerland | en_HK |
dc.identifier.scopusauthorid | Yeung, KWK=13309584700 | en_HK |
dc.identifier.scopusauthorid | Chan, YL=8250546500 | en_HK |
dc.identifier.scopusauthorid | Lam, KO=22980533000 | en_HK |
dc.identifier.scopusauthorid | Liu, XM=8408205200 | en_HK |
dc.identifier.scopusauthorid | Wu, SL=15125218800 | en_HK |
dc.identifier.scopusauthorid | Liu, XY=8603933800 | en_HK |
dc.identifier.scopusauthorid | Chung, CY=8100842800 | en_HK |
dc.identifier.scopusauthorid | Lu, WW=7404215221 | en_HK |
dc.identifier.scopusauthorid | Chan, D=7402216545 | en_HK |
dc.identifier.scopusauthorid | Luk, KDK=7201921573 | en_HK |
dc.identifier.scopusauthorid | Chu, PK=36040705700 | en_HK |
dc.identifier.scopusauthorid | Cheung, KMC=7402406754 | en_HK |
dc.identifier.citeulike | 2802319 | - |
dc.customcontrol.immutable | sml 170331 amended | - |
dc.identifier.issnl | 0928-4931 | - |