Neutron-irradiation effect in ceramics evaluated from macroscopic property changes in as-irradiated and annealed specimens
Macroscopic length (linear swelling) and thermal diffusivity changes were measured for heavily neutron-irradiated α-Al 2O 3, AlN, β-Si 3N 4 and β-SiC that were irradiated under the same capsule to compare the difference between these materials. And in addition, several capsules were irradiated under...
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| Veröffentlicht in: | Progress in nuclear energy (New series) 2008-03, Vol.50 (2), p.567-574 |
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| creator | Akiyoshi, Masafumi Yano, Toyohiko |
| description | Macroscopic length (linear swelling) and thermal diffusivity changes were measured for heavily neutron-irradiated α-Al
2O
3, AlN, β-Si
3N
4 and β-SiC that were irradiated under the same capsule to compare the difference between these materials. And in addition, several capsules were irradiated under different temperatures (646–1039
K) and to different neutron doses (0.4–8.0
×
10
26
n/m
2) in the Japanese experimental fast reactor JOYO. The swelling and the thermal diffusivity of as-irradiated specimens showed some dependence on the neutron-irradiation dose and the irradiation temperature, and that indicates stability under neutron-irradiation environments. Alpha-Al
2O
3 and AlN showed relatively large swelling and degradation of thermal diffusivity than β-Si
3N
4 and β-SiC. This difference is related to the crystal structure of each material. The dependence of swelling on irradiation dose, that is, α-Al
2O
3 showed linear inclination but β-Si
3N
4 and β-SiC showed saturation, supports the model of defect structures. In addition, annealing behaviors of swelling and thermal diffusivity were compared to analyze the behavior of defects at higher temperature. |
| doi_str_mv | 10.1016/j.pnucene.2007.11.042 |
| format | Article |
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2O
3, AlN, β-Si
3N
4 and β-SiC that were irradiated under the same capsule to compare the difference between these materials. And in addition, several capsules were irradiated under different temperatures (646–1039
K) and to different neutron doses (0.4–8.0
×
10
26
n/m
2) in the Japanese experimental fast reactor JOYO. The swelling and the thermal diffusivity of as-irradiated specimens showed some dependence on the neutron-irradiation dose and the irradiation temperature, and that indicates stability under neutron-irradiation environments. Alpha-Al
2O
3 and AlN showed relatively large swelling and degradation of thermal diffusivity than β-Si
3N
4 and β-SiC. This difference is related to the crystal structure of each material. The dependence of swelling on irradiation dose, that is, α-Al
2O
3 showed linear inclination but β-Si
3N
4 and β-SiC showed saturation, supports the model of defect structures. In addition, annealing behaviors of swelling and thermal diffusivity were compared to analyze the behavior of defects at higher temperature.</description><identifier>ISSN: 0149-1970</identifier><identifier>DOI: 10.1016/j.pnucene.2007.11.042</identifier><language>eng</language><publisher>Tarrytown, NY: Elsevier Ltd</publisher><subject>Applied sciences ; Ceramics ; Controled nuclear fusion plants ; Energy ; Energy. Thermal use of fuels ; Exact sciences and technology ; Fission nuclear power plants ; Installations for energy generation and conversion: thermal and electrical energy ; Isochronal annealing ; Neutron irradiation ; Swelling ; Thermal diffusivity</subject><ispartof>Progress in nuclear energy (New series), 2008-03, Vol.50 (2), p.567-574</ispartof><rights>2007 Elsevier Ltd</rights><rights>2008 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c480t-6e4342f5e0593d8bfa4fb21d1dfbaf433ba27104931ba9a30b595deecae78b3</citedby><cites>FETCH-LOGICAL-c480t-6e4342f5e0593d8bfa4fb21d1dfbaf433ba27104931ba9a30b595deecae78b3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0149197007001953$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>309,310,314,776,780,785,786,3537,23909,23910,25118,27901,27902,65306</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=20330115$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Akiyoshi, Masafumi</creatorcontrib><creatorcontrib>Yano, Toyohiko</creatorcontrib><title>Neutron-irradiation effect in ceramics evaluated from macroscopic property changes in as-irradiated and annealed specimens</title><title>Progress in nuclear energy (New series)</title><description>Macroscopic length (linear swelling) and thermal diffusivity changes were measured for heavily neutron-irradiated α-Al
2O
3, AlN, β-Si
3N
4 and β-SiC that were irradiated under the same capsule to compare the difference between these materials. And in addition, several capsules were irradiated under different temperatures (646–1039
K) and to different neutron doses (0.4–8.0
×
10
26
n/m
2) in the Japanese experimental fast reactor JOYO. The swelling and the thermal diffusivity of as-irradiated specimens showed some dependence on the neutron-irradiation dose and the irradiation temperature, and that indicates stability under neutron-irradiation environments. Alpha-Al
2O
3 and AlN showed relatively large swelling and degradation of thermal diffusivity than β-Si
3N
4 and β-SiC. This difference is related to the crystal structure of each material. The dependence of swelling on irradiation dose, that is, α-Al
2O
3 showed linear inclination but β-Si
3N
4 and β-SiC showed saturation, supports the model of defect structures. In addition, annealing behaviors of swelling and thermal diffusivity were compared to analyze the behavior of defects at higher temperature.</description><subject>Applied sciences</subject><subject>Ceramics</subject><subject>Controled nuclear fusion plants</subject><subject>Energy</subject><subject>Energy. Thermal use of fuels</subject><subject>Exact sciences and technology</subject><subject>Fission nuclear power plants</subject><subject>Installations for energy generation and conversion: thermal and electrical energy</subject><subject>Isochronal annealing</subject><subject>Neutron irradiation</subject><subject>Swelling</subject><subject>Thermal diffusivity</subject><issn>0149-1970</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2008</creationdate><recordtype>article</recordtype><recordid>eNqFkEFr3DAQhX1ooGman1DwJb3ZnbGk2D6FEpK0sLSH5i7G8ijVYsuuZC9sfn1kdsm1h2EYeG9m3pdlXxBKBLz9ti9nvxr2XFYAdYlYgqw-ZJeAsi2wreFj9inGPQDWqNRl9vqL1yVMvnAhUO9ocZPP2Vo2S-58bjjQ6EzM-UDDSgv3uQ3TmI9kwhTNNDuTz2GaOSzH3Pwl_8Jx81F8X5gs5LfyTEMa4szGjezj5-zC0hD5-tyvsj-PD8_3P4rd76ef9993hZENLMUtSyErqxhUK_qmsyRtV2GPve3ISiE6qmoE2QrsqCUBnWpVz2yI66YTV9nX09b05r-V46JHFw0PA3me1qhRNnWlWkhCdRJuyWJgq-fgRgpHjaA3tnqvz2z1xlYj6sQ2-W7OBygaGmwgb1x8N1cgBCCqpLs76ThlPTgOOhrH3nDvQqKt-8n959IbjW2YKg</recordid><startdate>200803</startdate><enddate>200803</enddate><creator>Akiyoshi, Masafumi</creator><creator>Yano, Toyohiko</creator><general>Elsevier Ltd</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7ST</scope><scope>C1K</scope><scope>SOI</scope></search><sort><creationdate>200803</creationdate><title>Neutron-irradiation effect in ceramics evaluated from macroscopic property changes in as-irradiated and annealed specimens</title><author>Akiyoshi, Masafumi ; Yano, Toyohiko</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c480t-6e4342f5e0593d8bfa4fb21d1dfbaf433ba27104931ba9a30b595deecae78b3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2008</creationdate><topic>Applied sciences</topic><topic>Ceramics</topic><topic>Controled nuclear fusion plants</topic><topic>Energy</topic><topic>Energy. Thermal use of fuels</topic><topic>Exact sciences and technology</topic><topic>Fission nuclear power plants</topic><topic>Installations for energy generation and conversion: thermal and electrical energy</topic><topic>Isochronal annealing</topic><topic>Neutron irradiation</topic><topic>Swelling</topic><topic>Thermal diffusivity</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Akiyoshi, Masafumi</creatorcontrib><creatorcontrib>Yano, Toyohiko</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Environment Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Environment Abstracts</collection><jtitle>Progress in nuclear energy (New series)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Akiyoshi, Masafumi</au><au>Yano, Toyohiko</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Neutron-irradiation effect in ceramics evaluated from macroscopic property changes in as-irradiated and annealed specimens</atitle><jtitle>Progress in nuclear energy (New series)</jtitle><date>2008-03</date><risdate>2008</risdate><volume>50</volume><issue>2</issue><spage>567</spage><epage>574</epage><pages>567-574</pages><issn>0149-1970</issn><abstract>Macroscopic length (linear swelling) and thermal diffusivity changes were measured for heavily neutron-irradiated α-Al
2O
3, AlN, β-Si
3N
4 and β-SiC that were irradiated under the same capsule to compare the difference between these materials. And in addition, several capsules were irradiated under different temperatures (646–1039
K) and to different neutron doses (0.4–8.0
×
10
26
n/m
2) in the Japanese experimental fast reactor JOYO. The swelling and the thermal diffusivity of as-irradiated specimens showed some dependence on the neutron-irradiation dose and the irradiation temperature, and that indicates stability under neutron-irradiation environments. Alpha-Al
2O
3 and AlN showed relatively large swelling and degradation of thermal diffusivity than β-Si
3N
4 and β-SiC. This difference is related to the crystal structure of each material. The dependence of swelling on irradiation dose, that is, α-Al
2O
3 showed linear inclination but β-Si
3N
4 and β-SiC showed saturation, supports the model of defect structures. In addition, annealing behaviors of swelling and thermal diffusivity were compared to analyze the behavior of defects at higher temperature.</abstract><cop>Tarrytown, NY</cop><cop>Oxford</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.pnucene.2007.11.042</doi><tpages>8</tpages></addata></record> |
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| issn | 0149-1970 |
| language | eng |
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| source | Elsevier ScienceDirect Journals |
| subjects | Applied sciences Ceramics Controled nuclear fusion plants Energy Energy. Thermal use of fuels Exact sciences and technology Fission nuclear power plants Installations for energy generation and conversion: thermal and electrical energy Isochronal annealing Neutron irradiation Swelling Thermal diffusivity |
| title | Neutron-irradiation effect in ceramics evaluated from macroscopic property changes in as-irradiated and annealed specimens |
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