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Conference Paper: Reduction of corrosion behavior of magnesium alloy by PCL surface treatment

TitleReduction of corrosion behavior of magnesium alloy by PCL surface treatment
Authors
Issue Date2009
Citation
The 55th Annual Meeting of the Orthopaedic Research Society, Las Vegas, NV., 22-25 February 2009. How to Cite?
AbstractINTRODUCTION: Metallic implants are often used for fracture fixation. However, stress-shielding effect may be resulted in some cases and thereby leading to bone loss around the implant1. Therefore those metallic implants may need to be removed after the tissues have healed. The use of degradable metallic materials such as magnesium alloy is a promising candidate that may avoid second surgery. Hence, it helps reduce costs to health care system and morbidity to the patients. However, the major obstacles are the rapid degradation inside the human body and hydrogen gas release upon degradation. The corrosion rate has to be carefully controlled so as to make the alloys available for orthopaedic implantation. Surface modification is used since this method will not alter the bulk properties of magnesium alloy. Various surface treatments such as Plasma Immersion Ion Implantation and Deposition (PIII&D)2 and plasma anodisation3 are applied so that the corrosion resistance of material can be enhanced. Our group has recently developed a unique method to deposit a biodegradable polymer named polycaprolactone (PCL) on the magnesium surface. Previous in-vitro studies suggested that the rate …
DescriptionPoster no. 2282
Persistent Identifierhttp://hdl.handle.net/10722/62523

 

DC FieldValueLanguage
dc.contributor.authorWong, KHMen_HK
dc.contributor.authorYeung, KWKen_HK
dc.contributor.authorLam, JKOen_HK
dc.contributor.authorChu, PKHen_HK
dc.contributor.authorLuk, KDKen_HK
dc.contributor.authorCheung, KMCen_HK
dc.date.accessioned2010-07-13T04:03:11Z-
dc.date.available2010-07-13T04:03:11Z-
dc.date.issued2009en_HK
dc.identifier.citationThe 55th Annual Meeting of the Orthopaedic Research Society, Las Vegas, NV., 22-25 February 2009.-
dc.identifier.urihttp://hdl.handle.net/10722/62523-
dc.descriptionPoster no. 2282en_HK
dc.description.abstractINTRODUCTION: Metallic implants are often used for fracture fixation. However, stress-shielding effect may be resulted in some cases and thereby leading to bone loss around the implant1. Therefore those metallic implants may need to be removed after the tissues have healed. The use of degradable metallic materials such as magnesium alloy is a promising candidate that may avoid second surgery. Hence, it helps reduce costs to health care system and morbidity to the patients. However, the major obstacles are the rapid degradation inside the human body and hydrogen gas release upon degradation. The corrosion rate has to be carefully controlled so as to make the alloys available for orthopaedic implantation. Surface modification is used since this method will not alter the bulk properties of magnesium alloy. Various surface treatments such as Plasma Immersion Ion Implantation and Deposition (PIII&D)2 and plasma anodisation3 are applied so that the corrosion resistance of material can be enhanced. Our group has recently developed a unique method to deposit a biodegradable polymer named polycaprolactone (PCL) on the magnesium surface. Previous in-vitro studies suggested that the rate …-
dc.languageengen_HK
dc.relation.ispartof55th ORS Annual Meeting 2009-
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.titleReduction of corrosion behavior of magnesium alloy by PCL surface treatmenten_HK
dc.typeConference_Paperen_HK
dc.identifier.emailWong, KHM: wonghm@hku.hken_HK
dc.identifier.emailYeung, KWK: wkkyeung@hku.hken_HK
dc.identifier.emailLuk, KDK: cm21000@hku.hken_HK
dc.identifier.emailCheung, KMC: cheungmc@hku.hken_HK
dc.identifier.authorityYeung, KWK=rp00309en_HK
dc.identifier.authorityLuk, KDK=rp00333en_HK
dc.identifier.authorityCheung, KMC=rp00387en_HK
dc.description.naturepostprint-
dc.identifier.hkuros166557en_HK

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