Improving the mechanical properties of a high density carbon block from mesocarbon microbeads according to oxidative stabilization
In this study, a high density carbon block without binder was manufactured by mesocarbon microbeads (MCMB) from coal tar pitch. To develop the high density carbon block without a binder, MCMBs were oxidized at different levels of temperature. To verify the effect of oxygen content in the carbonized...
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| Veröffentlicht in: | Scientific reports 2018-07, Vol.8 (1), p.11064-8, Article 11064 |
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| description | In this study, a high density carbon block without binder was manufactured by mesocarbon microbeads (MCMB) from coal tar pitch. To develop the high density carbon block without a binder, MCMBs were oxidized at different levels of temperature. To verify the effect of oxygen content in the carbonized carbon block (CCB), an elementary analysis (EA) and X-ray photoelectron spectroscopy (XPS) were performed. The morphological and mechanical properties of the CCBs were investigated by using scanning electron microscopy (SEM), a shore hardness test, and a flexural strength evaluation. The results revealed that the oxygen content increased with stabilization temperature and the physical properties of the CCBs were considerably improved via oxidative stabilization. Small cracks between MCMB particles were observed in the CCBs that were stabilized over 250 °C. From the results of this study, the CCB from MCMBs stabilized at 200 °C for 1 h showed optimum mechanical properties and high density. |
| doi_str_mv | 10.1038/s41598-018-26971-8 |
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To develop the high density carbon block without a binder, MCMBs were oxidized at different levels of temperature. To verify the effect of oxygen content in the carbonized carbon block (CCB), an elementary analysis (EA) and X-ray photoelectron spectroscopy (XPS) were performed. The morphological and mechanical properties of the CCBs were investigated by using scanning electron microscopy (SEM), a shore hardness test, and a flexural strength evaluation. The results revealed that the oxygen content increased with stabilization temperature and the physical properties of the CCBs were considerably improved via oxidative stabilization. Small cracks between MCMB particles were observed in the CCBs that were stabilized over 250 °C. From the results of this study, the CCB from MCMBs stabilized at 200 °C for 1 h showed optimum mechanical properties and high density.</description><identifier>ISSN: 2045-2322</identifier><identifier>EISSN: 2045-2322</identifier><identifier>DOI: 10.1038/s41598-018-26971-8</identifier><identifier>PMID: 30038224</identifier><language>eng</language><publisher>London: Nature Publishing Group UK</publisher><subject>140/146 ; 639/166/988 ; 639/301/1023/1025 ; 639/301/1023/303 ; 639/638/298/303 ; 639/638/898 ; Carbon ; Humanities and Social Sciences ; Mechanical properties ; Microspheres ; multidisciplinary ; Oxygen ; Photoelectron spectroscopy ; Physical properties ; Scanning electron microscopy ; Science ; Science (multidisciplinary)</subject><ispartof>Scientific reports, 2018-07, Vol.8 (1), p.11064-8, Article 11064</ispartof><rights>The Author(s) 2018</rights><rights>2018. This work is published under http://creativecommons.org/licenses/by/4.0/ (the “License”). 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Kim, Jiyoung ; Lee, Byung-Rok ; Peck, Dong-Hyun ; Jung, Doo-Hwan</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c474t-b7a617c42e964971c1532f4b9dcd0254843bbd706ea532f72499137ddab658113</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>140/146</topic><topic>639/166/988</topic><topic>639/301/1023/1025</topic><topic>639/301/1023/303</topic><topic>639/638/298/303</topic><topic>639/638/898</topic><topic>Carbon</topic><topic>Humanities and Social Sciences</topic><topic>Mechanical properties</topic><topic>Microspheres</topic><topic>multidisciplinary</topic><topic>Oxygen</topic><topic>Photoelectron spectroscopy</topic><topic>Physical properties</topic><topic>Scanning electron microscopy</topic><topic>Science</topic><topic>Science (multidisciplinary)</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Im, Ui-Su</creatorcontrib><creatorcontrib>Kim, Jiyoung</creatorcontrib><creatorcontrib>Lee, Byung-Rok</creatorcontrib><creatorcontrib>Peck, Dong-Hyun</creatorcontrib><creatorcontrib>Jung, Doo-Hwan</creatorcontrib><collection>Springer Nature OA Free Journals</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Health & Medical Collection</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Biology Database (Alumni Edition)</collection><collection>Medical Database (Alumni Edition)</collection><collection>Science Database (Alumni Edition)</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Natural Science Collection</collection><collection>Hospital Premium Collection</collection><collection>Hospital Premium Collection (Alumni Edition)</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest One Sustainability</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>Biological Science Collection</collection><collection>ProQuest Central</collection><collection>Natural Science Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>Health Research Premium Collection</collection><collection>Health Research Premium Collection (Alumni)</collection><collection>ProQuest Central Student</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>ProQuest Biological Science Collection</collection><collection>Health & Medical Collection (Alumni Edition)</collection><collection>Medical Database</collection><collection>Science Database</collection><collection>Biological Science Database</collection><collection>Publicly Available Content Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central Basic</collection><collection>MEDLINE - Academic</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>Scientific reports</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Im, Ui-Su</au><au>Kim, Jiyoung</au><au>Lee, Byung-Rok</au><au>Peck, Dong-Hyun</au><au>Jung, Doo-Hwan</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Improving the mechanical properties of a high density carbon block from mesocarbon microbeads according to oxidative stabilization</atitle><jtitle>Scientific reports</jtitle><stitle>Sci Rep</stitle><addtitle>Sci Rep</addtitle><date>2018-07-23</date><risdate>2018</risdate><volume>8</volume><issue>1</issue><spage>11064</spage><epage>8</epage><pages>11064-8</pages><artnum>11064</artnum><issn>2045-2322</issn><eissn>2045-2322</eissn><abstract>In this study, a high density carbon block without binder was manufactured by mesocarbon microbeads (MCMB) from coal tar pitch. To develop the high density carbon block without a binder, MCMBs were oxidized at different levels of temperature. To verify the effect of oxygen content in the carbonized carbon block (CCB), an elementary analysis (EA) and X-ray photoelectron spectroscopy (XPS) were performed. The morphological and mechanical properties of the CCBs were investigated by using scanning electron microscopy (SEM), a shore hardness test, and a flexural strength evaluation. The results revealed that the oxygen content increased with stabilization temperature and the physical properties of the CCBs were considerably improved via oxidative stabilization. Small cracks between MCMB particles were observed in the CCBs that were stabilized over 250 °C. From the results of this study, the CCB from MCMBs stabilized at 200 °C for 1 h showed optimum mechanical properties and high density.</abstract><cop>London</cop><pub>Nature Publishing Group UK</pub><pmid>30038224</pmid><doi>10.1038/s41598-018-26971-8</doi><tpages>8</tpages><orcidid>https://orcid.org/0000-0001-6057-4100</orcidid><oa>free_for_read</oa></addata></record> |
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| subjects | 140/146 639/166/988 639/301/1023/1025 639/301/1023/303 639/638/298/303 639/638/898 Carbon Humanities and Social Sciences Mechanical properties Microspheres multidisciplinary Oxygen Photoelectron spectroscopy Physical properties Scanning electron microscopy Science Science (multidisciplinary) |
| title | Improving the mechanical properties of a high density carbon block from mesocarbon microbeads according to oxidative stabilization |
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