Impact properties of NIFS-HEAT-2 (V–4Cr–4Ti) after YAG laser welding and neutron irradiation at 563 K
Weld specimens of the reference low activation vanadium alloy, NIFS-HEAT-2, were irradiated up to the neutron fluence of 4.5 × 10 23 nm −2 (0.08 dpa) at 563 K in JMTR. The weld metal showed larger irradiation hardening than that of the base metal, and the weld metal showed an embrittlement at 77 K....
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Veröffentlicht in: | Journal of nuclear materials 2004-08, Vol.329, p.1539-1543 |
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container_title | Journal of nuclear materials |
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creator | Nagasaka, Takuya Heo, Nam-Jin Muroga, Takeo Nishimura, Arata Watanabe, Hideo Narui, Minoru Shinozaki, Kenji |
description | Weld specimens of the reference low activation vanadium alloy, NIFS-HEAT-2, were irradiated up to the neutron fluence of 4.5
×
10
23 nm
−2 (0.08 dpa) at 563 K in JMTR. The weld metal showed larger irradiation hardening than that of the base metal, and the weld metal showed an embrittlement at 77 K. However, irradiation hardening at the weld metal was effectively reduced by post weld heat treatment at 873 and 1223 K. Mechanisms of irradiation hardening, and behavior of C, N and O impurities in the weld metal was discussed, based on the characterization of radiation defects. |
doi_str_mv | 10.1016/j.jnucmat.2004.04.171 |
format | Article |
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×
10
23 nm
−2 (0.08 dpa) at 563 K in JMTR. The weld metal showed larger irradiation hardening than that of the base metal, and the weld metal showed an embrittlement at 77 K. However, irradiation hardening at the weld metal was effectively reduced by post weld heat treatment at 873 and 1223 K. Mechanisms of irradiation hardening, and behavior of C, N and O impurities in the weld metal was discussed, based on the characterization of radiation defects.</description><identifier>ISSN: 0022-3115</identifier><identifier>EISSN: 1873-4820</identifier><identifier>DOI: 10.1016/j.jnucmat.2004.04.171</identifier><language>eng</language><publisher>Elsevier B.V</publisher><ispartof>Journal of nuclear materials, 2004-08, Vol.329, p.1539-1543</ispartof><rights>2004 Elsevier B.V.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c451t-586762aca6ee94cfacbfbf7c30b842c92801d152864d5704fb923291543c7f373</citedby><cites>FETCH-LOGICAL-c451t-586762aca6ee94cfacbfbf7c30b842c92801d152864d5704fb923291543c7f373</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0022311504003228$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids></links><search><creatorcontrib>Nagasaka, Takuya</creatorcontrib><creatorcontrib>Heo, Nam-Jin</creatorcontrib><creatorcontrib>Muroga, Takeo</creatorcontrib><creatorcontrib>Nishimura, Arata</creatorcontrib><creatorcontrib>Watanabe, Hideo</creatorcontrib><creatorcontrib>Narui, Minoru</creatorcontrib><creatorcontrib>Shinozaki, Kenji</creatorcontrib><title>Impact properties of NIFS-HEAT-2 (V–4Cr–4Ti) after YAG laser welding and neutron irradiation at 563 K</title><title>Journal of nuclear materials</title><description>Weld specimens of the reference low activation vanadium alloy, NIFS-HEAT-2, were irradiated up to the neutron fluence of 4.5
×
10
23 nm
−2 (0.08 dpa) at 563 K in JMTR. The weld metal showed larger irradiation hardening than that of the base metal, and the weld metal showed an embrittlement at 77 K. However, irradiation hardening at the weld metal was effectively reduced by post weld heat treatment at 873 and 1223 K. Mechanisms of irradiation hardening, and behavior of C, N and O impurities in the weld metal was discussed, based on the characterization of radiation defects.</description><issn>0022-3115</issn><issn>1873-4820</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2004</creationdate><recordtype>article</recordtype><recordid>eNqFUM1KAzEYDKJgrT6CkJPoYWt-9-ckpbRaFD1YBU8hzX6RlO1uTbKKN9_BN_RJTKl3Yfi-OcwMzCB0SsmIEppfrkartjdrHUeMEDFKoAXdQwNaFjwTJSP7aEAIYxmnVB6ioxBWhBBZETlAbr7eaBPxxncb8NFBwJ3F9_PZY3YzHS8yhs-ff76-xcRv78JdYG0jePwyvsaNDol9QFO79hXrtsYt9NF3LXbe69rp6BLXEcuc49tjdGB1E-Dk7w_R02y6mNxkdw_X88n4LjNC0pjJMi9ypo3OASphrDZLu7SF4WRZCmYqVhJaU8nKXNSyIMIuK8ZZRaXgprC84EN0tstNld56CFGtXTDQNLqFrg-KlbTinJdJKHdC47sQPFi18W6t_aeiRG2HVSv1N6zaDqsS0rDJd7XzQWrx7sCrYBy0BmrnwURVd-6fhF9SyYNn</recordid><startdate>20040801</startdate><enddate>20040801</enddate><creator>Nagasaka, Takuya</creator><creator>Heo, Nam-Jin</creator><creator>Muroga, Takeo</creator><creator>Nishimura, Arata</creator><creator>Watanabe, Hideo</creator><creator>Narui, Minoru</creator><creator>Shinozaki, Kenji</creator><general>Elsevier B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20040801</creationdate><title>Impact properties of NIFS-HEAT-2 (V–4Cr–4Ti) after YAG laser welding and neutron irradiation at 563 K</title><author>Nagasaka, Takuya ; Heo, Nam-Jin ; Muroga, Takeo ; Nishimura, Arata ; Watanabe, Hideo ; Narui, Minoru ; Shinozaki, Kenji</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c451t-586762aca6ee94cfacbfbf7c30b842c92801d152864d5704fb923291543c7f373</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2004</creationdate><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Nagasaka, Takuya</creatorcontrib><creatorcontrib>Heo, Nam-Jin</creatorcontrib><creatorcontrib>Muroga, Takeo</creatorcontrib><creatorcontrib>Nishimura, Arata</creatorcontrib><creatorcontrib>Watanabe, Hideo</creatorcontrib><creatorcontrib>Narui, Minoru</creatorcontrib><creatorcontrib>Shinozaki, Kenji</creatorcontrib><collection>CrossRef</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Journal of nuclear materials</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Nagasaka, Takuya</au><au>Heo, Nam-Jin</au><au>Muroga, Takeo</au><au>Nishimura, Arata</au><au>Watanabe, Hideo</au><au>Narui, Minoru</au><au>Shinozaki, Kenji</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Impact properties of NIFS-HEAT-2 (V–4Cr–4Ti) after YAG laser welding and neutron irradiation at 563 K</atitle><jtitle>Journal of nuclear materials</jtitle><date>2004-08-01</date><risdate>2004</risdate><volume>329</volume><spage>1539</spage><epage>1543</epage><pages>1539-1543</pages><issn>0022-3115</issn><eissn>1873-4820</eissn><abstract>Weld specimens of the reference low activation vanadium alloy, NIFS-HEAT-2, were irradiated up to the neutron fluence of 4.5
×
10
23 nm
−2 (0.08 dpa) at 563 K in JMTR. The weld metal showed larger irradiation hardening than that of the base metal, and the weld metal showed an embrittlement at 77 K. However, irradiation hardening at the weld metal was effectively reduced by post weld heat treatment at 873 and 1223 K. Mechanisms of irradiation hardening, and behavior of C, N and O impurities in the weld metal was discussed, based on the characterization of radiation defects.</abstract><pub>Elsevier B.V</pub><doi>10.1016/j.jnucmat.2004.04.171</doi><tpages>5</tpages><oa>free_for_read</oa></addata></record> |
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title | Impact properties of NIFS-HEAT-2 (V–4Cr–4Ti) after YAG laser welding and neutron irradiation at 563 K |
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