Dynamic freeze casting for the production of porous titanium (Ti) scaffolds
This paper proposes dynamic freeze casting as a new manufacturing technique for producing porous Ti scaffolds with a uniform porous structure and good ductility. In this method, Ti/camphene slurries with various initial Ti contents (15, 20, and 25vol.%) were frozen at 44°C for 12h in rotation, which...
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| Veröffentlicht in: | Materials Science & Engineering C 2013-01, Vol.33 (1), p.59-63 |
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| creator | Jung, Hyun-Do Yook, Se-Won Jang, Tae-Sik Li, Yuanlong Kim, Hyoun-Ee Koh, Young-Hag |
| description | This paper proposes dynamic freeze casting as a new manufacturing technique for producing porous Ti scaffolds with a uniform porous structure and good ductility. In this method, Ti/camphene slurries with various initial Ti contents (15, 20, and 25vol.%) were frozen at 44°C for 12h in rotation, which allowed for the extensive growth of camphene crystals and the uniform construction of walls made of Ti particles. All the fabricated samples showed spherical-like pores surrounded by dense Ti walls that were uniformly formed after sintering at 1300°C for 2h in a vacuum. The porosity decreased from 71 to 52vol.% with an increase in Ti content from 15 to 25vol.%, whereas the pore size decreased from 362 to 95μm. On the other hand, the compressive strength and stiffness increased considerably from 57±4 to 183±6MPa and from 1.3±0.5 to 5.0±0.8GPa, respectively, due to the decrease in the porosity of the samples.
► Porous Ti scaffolds were fabricated through “dynamic freeze casting” technique. ► Ti/camphene slurries were frozen during rotation. ► Large and uniform pores were formed during freezing. ► Highly porous Ti scaffolds for bone regeneration were fabricated |
| doi_str_mv | 10.1016/j.msec.2012.08.004 |
| format | Article |
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► Porous Ti scaffolds were fabricated through “dynamic freeze casting” technique. ► Ti/camphene slurries were frozen during rotation. ► Large and uniform pores were formed during freezing. ► Highly porous Ti scaffolds for bone regeneration were fabricated</description><identifier>ISSN: 0928-4931</identifier><identifier>EISSN: 1873-0191</identifier><identifier>DOI: 10.1016/j.msec.2012.08.004</identifier><identifier>PMID: 25428042</identifier><language>eng</language><publisher>Netherlands: Elsevier B.V</publisher><subject>Carbon - analysis ; Compressive Strength ; Freeze casting ; Freezing ; Hydrogen - analysis ; Materials Testing - methods ; Mechanical properties ; Microscopy, Electron, Scanning ; Oxygen - analysis ; Porosity ; Porous metal ; Spectrometry, X-Ray Emission ; Tissue Scaffolds - chemistry ; Titanium ; Titanium - pharmacology ; X-Ray Diffraction</subject><ispartof>Materials Science & Engineering C, 2013-01, Vol.33 (1), p.59-63</ispartof><rights>2012 Elsevier B.V.</rights><rights>Copyright © 2012 Elsevier B.V. All rights reserved.</rights><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c389t-9b132f64a5ae04b5f468d87238d45891e96a8ab3bf242052d0dc45d98adbc6ab3</citedby><cites>FETCH-LOGICAL-c389t-9b132f64a5ae04b5f468d87238d45891e96a8ab3bf242052d0dc45d98adbc6ab3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.msec.2012.08.004$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/25428042$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Jung, Hyun-Do</creatorcontrib><creatorcontrib>Yook, Se-Won</creatorcontrib><creatorcontrib>Jang, Tae-Sik</creatorcontrib><creatorcontrib>Li, Yuanlong</creatorcontrib><creatorcontrib>Kim, Hyoun-Ee</creatorcontrib><creatorcontrib>Koh, Young-Hag</creatorcontrib><title>Dynamic freeze casting for the production of porous titanium (Ti) scaffolds</title><title>Materials Science & Engineering C</title><addtitle>Mater Sci Eng C Mater Biol Appl</addtitle><description>This paper proposes dynamic freeze casting as a new manufacturing technique for producing porous Ti scaffolds with a uniform porous structure and good ductility. In this method, Ti/camphene slurries with various initial Ti contents (15, 20, and 25vol.%) were frozen at 44°C for 12h in rotation, which allowed for the extensive growth of camphene crystals and the uniform construction of walls made of Ti particles. All the fabricated samples showed spherical-like pores surrounded by dense Ti walls that were uniformly formed after sintering at 1300°C for 2h in a vacuum. The porosity decreased from 71 to 52vol.% with an increase in Ti content from 15 to 25vol.%, whereas the pore size decreased from 362 to 95μm. On the other hand, the compressive strength and stiffness increased considerably from 57±4 to 183±6MPa and from 1.3±0.5 to 5.0±0.8GPa, respectively, due to the decrease in the porosity of the samples.
► Porous Ti scaffolds were fabricated through “dynamic freeze casting” technique. ► Ti/camphene slurries were frozen during rotation. ► Large and uniform pores were formed during freezing. ► Highly porous Ti scaffolds for bone regeneration were fabricated</description><subject>Carbon - analysis</subject><subject>Compressive Strength</subject><subject>Freeze casting</subject><subject>Freezing</subject><subject>Hydrogen - analysis</subject><subject>Materials Testing - methods</subject><subject>Mechanical properties</subject><subject>Microscopy, Electron, Scanning</subject><subject>Oxygen - analysis</subject><subject>Porosity</subject><subject>Porous metal</subject><subject>Spectrometry, X-Ray Emission</subject><subject>Tissue Scaffolds - chemistry</subject><subject>Titanium</subject><subject>Titanium - pharmacology</subject><subject>X-Ray Diffraction</subject><issn>0928-4931</issn><issn>1873-0191</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp9kD1PwzAQhi0EgvLxBxiQRxgSbMdJLxIL4ltUYimz5dhncNXExU6Qyq8nVYGR6YZ73ld3DyGnnOWc8epykbcJTS4YFzmDnDG5QyYcpkXGeM13yYTVAjJZF_yAHKa0YKyCYir2yYEopQAmxYQ836473XpDXUT8Qmp06n33Rl2ItH9HuorBDqb3oaPB0VWIYUi0973u_NDS87m_oMlo58LSpmOy5_Qy4cnPPCKv93fzm8ds9vLwdHM9y0wBdZ_VDS-Eq6QuNTLZlE5WYGEqCrCyhJpjXWnQTdE4IQUrhWXWyNLWoG1jqnFxRM63veNxHwOmXrU-GVwudYfjeYpXAmAKHMoRFVvUxJBSRKdW0bc6rhVnaiNRLdRGotpIVAzUKHEMnf30D02L9i_ya20ErrYAjl9-eowqGY-dQesjml7Z4P_r_wZgmoLK</recordid><startdate>20130101</startdate><enddate>20130101</enddate><creator>Jung, Hyun-Do</creator><creator>Yook, Se-Won</creator><creator>Jang, Tae-Sik</creator><creator>Li, Yuanlong</creator><creator>Kim, Hyoun-Ee</creator><creator>Koh, Young-Hag</creator><general>Elsevier B.V</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>20130101</creationdate><title>Dynamic freeze casting for the production of porous titanium (Ti) scaffolds</title><author>Jung, Hyun-Do ; Yook, Se-Won ; Jang, Tae-Sik ; Li, Yuanlong ; Kim, Hyoun-Ee ; Koh, Young-Hag</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c389t-9b132f64a5ae04b5f468d87238d45891e96a8ab3bf242052d0dc45d98adbc6ab3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>Carbon - analysis</topic><topic>Compressive Strength</topic><topic>Freeze casting</topic><topic>Freezing</topic><topic>Hydrogen - analysis</topic><topic>Materials Testing - methods</topic><topic>Mechanical properties</topic><topic>Microscopy, Electron, Scanning</topic><topic>Oxygen - analysis</topic><topic>Porosity</topic><topic>Porous metal</topic><topic>Spectrometry, X-Ray Emission</topic><topic>Tissue Scaffolds - chemistry</topic><topic>Titanium</topic><topic>Titanium - pharmacology</topic><topic>X-Ray Diffraction</topic><toplevel>online_resources</toplevel><creatorcontrib>Jung, Hyun-Do</creatorcontrib><creatorcontrib>Yook, Se-Won</creatorcontrib><creatorcontrib>Jang, Tae-Sik</creatorcontrib><creatorcontrib>Li, Yuanlong</creatorcontrib><creatorcontrib>Kim, Hyoun-Ee</creatorcontrib><creatorcontrib>Koh, Young-Hag</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Materials Science & Engineering C</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Jung, Hyun-Do</au><au>Yook, Se-Won</au><au>Jang, Tae-Sik</au><au>Li, Yuanlong</au><au>Kim, Hyoun-Ee</au><au>Koh, Young-Hag</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Dynamic freeze casting for the production of porous titanium (Ti) scaffolds</atitle><jtitle>Materials Science & Engineering C</jtitle><addtitle>Mater Sci Eng C Mater Biol Appl</addtitle><date>2013-01-01</date><risdate>2013</risdate><volume>33</volume><issue>1</issue><spage>59</spage><epage>63</epage><pages>59-63</pages><issn>0928-4931</issn><eissn>1873-0191</eissn><abstract>This paper proposes dynamic freeze casting as a new manufacturing technique for producing porous Ti scaffolds with a uniform porous structure and good ductility. In this method, Ti/camphene slurries with various initial Ti contents (15, 20, and 25vol.%) were frozen at 44°C for 12h in rotation, which allowed for the extensive growth of camphene crystals and the uniform construction of walls made of Ti particles. All the fabricated samples showed spherical-like pores surrounded by dense Ti walls that were uniformly formed after sintering at 1300°C for 2h in a vacuum. The porosity decreased from 71 to 52vol.% with an increase in Ti content from 15 to 25vol.%, whereas the pore size decreased from 362 to 95μm. On the other hand, the compressive strength and stiffness increased considerably from 57±4 to 183±6MPa and from 1.3±0.5 to 5.0±0.8GPa, respectively, due to the decrease in the porosity of the samples.
► Porous Ti scaffolds were fabricated through “dynamic freeze casting” technique. ► Ti/camphene slurries were frozen during rotation. ► Large and uniform pores were formed during freezing. ► Highly porous Ti scaffolds for bone regeneration were fabricated</abstract><cop>Netherlands</cop><pub>Elsevier B.V</pub><pmid>25428042</pmid><doi>10.1016/j.msec.2012.08.004</doi><tpages>5</tpages></addata></record> |
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| source | MEDLINE; Elsevier ScienceDirect Journals Complete |
| subjects | Carbon - analysis Compressive Strength Freeze casting Freezing Hydrogen - analysis Materials Testing - methods Mechanical properties Microscopy, Electron, Scanning Oxygen - analysis Porosity Porous metal Spectrometry, X-Ray Emission Tissue Scaffolds - chemistry Titanium Titanium - pharmacology X-Ray Diffraction |
| title | Dynamic freeze casting for the production of porous titanium (Ti) scaffolds |
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