Characterization of oxidation behavior of 3D needled C/C composite by Synchrotron radiation X-ray micro-computed tomography
C/C composite has been considering to be used as structural components in the field of nuclear energy. However, the material will be subjected to rapid oxidation in the air. This paper presents the microstructure evolutions of a type of high density C/C composites at 550 °C in the air. Synchrotron r...
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| Veröffentlicht in: | Journal of the Ceramic Society of Japan 2022/02/01, Vol.130(2), pp.219-224 |
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| creator | GAO, Yantao GUO, Weina XIN, Sanfa HU, Wenfeng YAN, Hao |
| description | C/C composite has been considering to be used as structural components in the field of nuclear energy. However, the material will be subjected to rapid oxidation in the air. This paper presents the microstructure evolutions of a type of high density C/C composites at 550 °C in the air. Synchrotron radiation X-ray micro-computed tomography (SR-µCT, resolution: 0.65 µm) was used to characterize the microstructure in different oxidation stages. The results showed that the material was oxidized nearly homogeneous. The large pores played great rule in the oxidation behavior. The pores in the material started to extend quickly in initial stage and the number of pores and porosity were rapidly increased. Then the oxidation rate decreased as defective graphite in the composition exhausted. In addition, it also can be seen that SR-µCT is a perspective tool for microstructural characterization, especially structure evolution in 3D in the materials. |
| doi_str_mv | 10.2109/jcersj2.21132 |
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However, the material will be subjected to rapid oxidation in the air. This paper presents the microstructure evolutions of a type of high density C/C composites at 550 °C in the air. Synchrotron radiation X-ray micro-computed tomography (SR-µCT, resolution: 0.65 µm) was used to characterize the microstructure in different oxidation stages. The results showed that the material was oxidized nearly homogeneous. The large pores played great rule in the oxidation behavior. The pores in the material started to extend quickly in initial stage and the number of pores and porosity were rapidly increased. Then the oxidation rate decreased as defective graphite in the composition exhausted. 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Ceram. Soc. Japan</addtitle><description>C/C composite has been considering to be used as structural components in the field of nuclear energy. However, the material will be subjected to rapid oxidation in the air. This paper presents the microstructure evolutions of a type of high density C/C composites at 550 °C in the air. Synchrotron radiation X-ray micro-computed tomography (SR-µCT, resolution: 0.65 µm) was used to characterize the microstructure in different oxidation stages. The results showed that the material was oxidized nearly homogeneous. The large pores played great rule in the oxidation behavior. The pores in the material started to extend quickly in initial stage and the number of pores and porosity were rapidly increased. Then the oxidation rate decreased as defective graphite in the composition exhausted. In addition, it also can be seen that SR-µCT is a perspective tool for microstructural characterization, especially structure evolution in 3D in the materials.</description><subject>3D µ-CT</subject><subject>C/C composite</subject><subject>Characterization</subject><subject>Computed tomography</subject><subject>Microstructure</subject><subject>Nuclear reactors</subject><subject>Oxidation</subject><subject>Oxidation behavior</subject><subject>Oxidation rate</subject><subject>Porosity</subject><subject>Radiation</subject><subject>Structural analysis</subject><subject>Synchrotron radiation</subject><subject>Synchrotrons</subject><subject>Three dimensional composites</subject><subject>Tomography</subject><issn>1882-0743</issn><issn>1348-6535</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><recordid>eNo9kM1LwzAYh4soOKdH7wXPdflqmx2lzg8YeFDBW0nTN2vK2swkE6v_vKkdu-TN--b5JeGJomuMbglGy0UrwbqWhAZTchLNMGU8yVKanoY95yRBOaPn0YVzLUIZYZTPot-iEVZID1b_CK9NHxsVm29dT00FjfjSxo5Teh_3APUW6rhYFLE03c447SGuhvh16GVjjbchY0Wtp_RHYsUQd1pak4z43oesN53ZWLFrhsvoTImtg6tDnUfvD6u34ilZvzw-F3frRDKW-kTkdU0UyUTOc2CgFOUV5owoxlNMU8GUyjgXCCOB6iVCoLIUcaiopLiqiKTz6Ga6d2fN5x6cL1uzt314siRBQ44QSrNAJRMVfuucBVXurO6EHUqMytFvefBb_vsN_GriW-fFBo60sF7LLRxpTEN8Wsfc8VwG8SX09A-1WYmU</recordid><startdate>20220201</startdate><enddate>20220201</enddate><creator>GAO, Yantao</creator><creator>GUO, Weina</creator><creator>XIN, Sanfa</creator><creator>HU, Wenfeng</creator><creator>YAN, Hao</creator><general>The Ceramic Society of Japan</general><general>Japan Science and Technology Agency</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7QQ</scope><scope>7SR</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20220201</creationdate><title>Characterization of oxidation behavior of 3D needled C/C composite by Synchrotron radiation X-ray micro-computed tomography</title><author>GAO, Yantao ; GUO, Weina ; XIN, Sanfa ; HU, Wenfeng ; YAN, Hao</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c445t-a7dd2f26a787e4eff38b1842f485135a4ff688a010a0d900ef6508eb3c31bb2c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>3D µ-CT</topic><topic>C/C composite</topic><topic>Characterization</topic><topic>Computed tomography</topic><topic>Microstructure</topic><topic>Nuclear reactors</topic><topic>Oxidation</topic><topic>Oxidation behavior</topic><topic>Oxidation rate</topic><topic>Porosity</topic><topic>Radiation</topic><topic>Structural analysis</topic><topic>Synchrotron radiation</topic><topic>Synchrotrons</topic><topic>Three dimensional composites</topic><topic>Tomography</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>GAO, Yantao</creatorcontrib><creatorcontrib>GUO, Weina</creatorcontrib><creatorcontrib>XIN, Sanfa</creatorcontrib><creatorcontrib>HU, Wenfeng</creatorcontrib><creatorcontrib>YAN, Hao</creatorcontrib><collection>CrossRef</collection><collection>Ceramic Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Journal of the Ceramic Society of Japan</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>GAO, Yantao</au><au>GUO, Weina</au><au>XIN, Sanfa</au><au>HU, Wenfeng</au><au>YAN, Hao</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Characterization of oxidation behavior of 3D needled C/C composite by Synchrotron radiation X-ray micro-computed tomography</atitle><jtitle>Journal of the Ceramic Society of Japan</jtitle><addtitle>J. Ceram. Soc. Japan</addtitle><date>2022-02-01</date><risdate>2022</risdate><volume>130</volume><issue>2</issue><spage>219</spage><epage>224</epage><pages>219-224</pages><artnum>21132</artnum><issn>1882-0743</issn><eissn>1348-6535</eissn><abstract>C/C composite has been considering to be used as structural components in the field of nuclear energy. However, the material will be subjected to rapid oxidation in the air. This paper presents the microstructure evolutions of a type of high density C/C composites at 550 °C in the air. Synchrotron radiation X-ray micro-computed tomography (SR-µCT, resolution: 0.65 µm) was used to characterize the microstructure in different oxidation stages. The results showed that the material was oxidized nearly homogeneous. The large pores played great rule in the oxidation behavior. The pores in the material started to extend quickly in initial stage and the number of pores and porosity were rapidly increased. 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| subjects | 3D µ-CT C/C composite Characterization Computed tomography Microstructure Nuclear reactors Oxidation Oxidation behavior Oxidation rate Porosity Radiation Structural analysis Synchrotron radiation Synchrotrons Three dimensional composites Tomography |
| title | Characterization of oxidation behavior of 3D needled C/C composite by Synchrotron radiation X-ray micro-computed tomography |
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