Production and evaluation of porous titanium scaffolds with 3-dimensional periodic macrochannels coated with microporous TiO2 layer
DC Field | Value | Language |
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dc.contributor.author | Jung, Hyun-Do | - |
dc.contributor.author | Kim, Hyoun-Ee | - |
dc.contributor.author | Koh, Young-Hag | - |
dc.date.accessioned | 2021-09-06T16:34:44Z | - |
dc.date.available | 2021-09-06T16:34:44Z | - |
dc.date.created | 2021-06-18 | - |
dc.date.issued | 2012-08-15 | - |
dc.identifier.issn | 0254-0584 | - |
dc.identifier.uri | https://scholar.korea.ac.kr/handle/2021.sw.korea/107698 | - |
dc.description.abstract | This study examined the utility of a combination of the thermoplastic green machining (TGM) and micro-arc oxidation (MAO) for the production of porous Ti scaffolds with 3-dimensional (3-D) periodic macrochannels coated with a microporous TiO2 layer, which would provide high mechanical properties and excellent biocompatibility simultaneously. The TGM technique allowed for the creation of tightly controlled 3-D periodic macrochannels with a diameter of similar to 828-837 mu m by machining a thermoplastic compound consisting of 70 vol% titanium hydride (TiH2) powder and 30 vol% thermoplastic binders, followed by heat-treatment in a vacuum. The overall porosity and mechanical properties of the porous Ti scaffolds were controlled by creating various periodic arrays of 6 x 6, 7 x 7, or 8 x 8 macrochannels in each face of a cube. The compressive strength and modulus was decreased from 358 +/- 7 to 100 +/- 8 MPa and from 5.2 +/- 0.66 to 3.5 +/- 0.32 GPa, respectively, with increasing porosity from 48 vol% to 64 vol%. The biocompatibility and bioactivity, which was assessed by in vitro cellular assays, were improved remarkably by creating a microporous TiO2 coating layer using the MAO treatment. (C) 2012 Elsevier B.V. All rights reserved. | - |
dc.language | English | - |
dc.language.iso | en | - |
dc.publisher | ELSEVIER SCIENCE SA | - |
dc.subject | MICRO-ARC OXIDATION | - |
dc.subject | IMPLANTS | - |
dc.subject | BONE | - |
dc.subject | HYDROXYAPATITE | - |
dc.subject | FILMS | - |
dc.title | Production and evaluation of porous titanium scaffolds with 3-dimensional periodic macrochannels coated with microporous TiO2 layer | - |
dc.type | Article | - |
dc.contributor.affiliatedAuthor | Koh, Young-Hag | - |
dc.identifier.doi | 10.1016/j.matchemphys.2012.05.076 | - |
dc.identifier.scopusid | 2-s2.0-84864715923 | - |
dc.identifier.wosid | 000309247500095 | - |
dc.identifier.bibliographicCitation | MATERIALS CHEMISTRY AND PHYSICS, v.135, no.2-3, pp.897 - 902 | - |
dc.relation.isPartOf | MATERIALS CHEMISTRY AND PHYSICS | - |
dc.citation.title | MATERIALS CHEMISTRY AND PHYSICS | - |
dc.citation.volume | 135 | - |
dc.citation.number | 2-3 | - |
dc.citation.startPage | 897 | - |
dc.citation.endPage | 902 | - |
dc.type.rims | ART | - |
dc.type.docType | Article | - |
dc.description.journalClass | 1 | - |
dc.description.journalRegisteredClass | scie | - |
dc.description.journalRegisteredClass | scopus | - |
dc.relation.journalResearchArea | Materials Science | - |
dc.relation.journalWebOfScienceCategory | Materials Science, Multidisciplinary | - |
dc.subject.keywordPlus | MICRO-ARC OXIDATION | - |
dc.subject.keywordPlus | IMPLANTS | - |
dc.subject.keywordPlus | BONE | - |
dc.subject.keywordPlus | HYDROXYAPATITE | - |
dc.subject.keywordPlus | FILMS | - |
dc.subject.keywordAuthor | Biomaterials | - |
dc.subject.keywordAuthor | Metals | - |
dc.subject.keywordAuthor | Microporous materials | - |
dc.subject.keywordAuthor | Mechanical properties | - |
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