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Methods for the mitigation of the chemical reactivity of beryllium in steam
In the safety assessment of future fusion reactors, the reaction of beryllium with steam remains one of the main concerns. In case of a loss of coolant accident (LOCA), the use of beryllium in combination with pressurised water as coolant can lead to excessive hydrogen production due to the reaction...
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| Published in: | Journal of nuclear materials 2004-08, Vol.329, p.1353-1356 |
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| Main Authors: | , , |
| Format: | Article |
| Language: | English |
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| cites | cdi_FETCH-LOGICAL-c338t-c8fd716d337e26c5a97efd8827c22e444fa01a9e21e3b5c7605150a9a7fd5c2c3 |
| container_end_page | 1356 |
| container_issue | |
| container_start_page | 1353 |
| container_title | Journal of nuclear materials |
| container_volume | 329 |
| creator | Druyts, F Alves, E.C Wu, C.H |
| description | In the safety assessment of future fusion reactors, the reaction of beryllium with steam remains one of the main concerns. In case of a loss of coolant accident (LOCA), the use of beryllium in combination with pressurised water as coolant can lead to excessive hydrogen production due to the reaction Be
+
H
2O
=
BeO
+
H
2
+
heat. Therefore, we started an R&D programme aimed at investigating mitigation methods for the beryllium/steam reaction. Beryllium samples were implanted with either calcium or aluminium ions in a 210 kV ion implanter at ITN Lisbon. The chemical reactivity of these samples in steam was measured at SCK
•
CEN in a dedicated experimental facility providing coupled thermogravimetry/mass spectrometry. In comparison to reference undoped material, the reactivity of doped beryllium after 30 min of exposure decreased with a factor 2 to 4. The mitigating effect was higher for calcium-doped than for aluminium-doped samples. |
| doi_str_mv | 10.1016/j.jnucmat.2004.04.204 |
| format | article |
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+
H
2O
=
BeO
+
H
2
+
heat. Therefore, we started an R&D programme aimed at investigating mitigation methods for the beryllium/steam reaction. Beryllium samples were implanted with either calcium or aluminium ions in a 210 kV ion implanter at ITN Lisbon. The chemical reactivity of these samples in steam was measured at SCK
•
CEN in a dedicated experimental facility providing coupled thermogravimetry/mass spectrometry. In comparison to reference undoped material, the reactivity of doped beryllium after 30 min of exposure decreased with a factor 2 to 4. The mitigating effect was higher for calcium-doped than for aluminium-doped samples.</description><identifier>ISSN: 0022-3115</identifier><identifier>EISSN: 1873-4820</identifier><identifier>DOI: 10.1016/j.jnucmat.2004.04.204</identifier><language>eng</language><publisher>Elsevier B.V</publisher><ispartof>Journal of nuclear materials, 2004-08, Vol.329, p.1353-1356</ispartof><rights>2004 Elsevier B.V.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c338t-c8fd716d337e26c5a97efd8827c22e444fa01a9e21e3b5c7605150a9a7fd5c2c3</citedby><cites>FETCH-LOGICAL-c338t-c8fd716d337e26c5a97efd8827c22e444fa01a9e21e3b5c7605150a9a7fd5c2c3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids></links><search><creatorcontrib>Druyts, F</creatorcontrib><creatorcontrib>Alves, E.C</creatorcontrib><creatorcontrib>Wu, C.H</creatorcontrib><title>Methods for the mitigation of the chemical reactivity of beryllium in steam</title><title>Journal of nuclear materials</title><description>In the safety assessment of future fusion reactors, the reaction of beryllium with steam remains one of the main concerns. In case of a loss of coolant accident (LOCA), the use of beryllium in combination with pressurised water as coolant can lead to excessive hydrogen production due to the reaction Be
+
H
2O
=
BeO
+
H
2
+
heat. Therefore, we started an R&D programme aimed at investigating mitigation methods for the beryllium/steam reaction. Beryllium samples were implanted with either calcium or aluminium ions in a 210 kV ion implanter at ITN Lisbon. The chemical reactivity of these samples in steam was measured at SCK
•
CEN in a dedicated experimental facility providing coupled thermogravimetry/mass spectrometry. In comparison to reference undoped material, the reactivity of doped beryllium after 30 min of exposure decreased with a factor 2 to 4. The mitigating effect was higher for calcium-doped than for aluminium-doped samples.</description><issn>0022-3115</issn><issn>1873-4820</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2004</creationdate><recordtype>article</recordtype><recordid>eNqFkM1LxDAQxYMouK7-CUJP3lonSdOPk8jiF6540XPITqduStusSVbY_96uu3fhwcDMew_mx9g1h4wDL267rBu3OJiYCYA8myQgP2EzXpUyzSsBp2wGIEQqOVfn7CKEDgBUDWrGXt8orl0Tktb5JK4pGWy0XyZaNyau_dvgmgaLpk88GYz2x8bd_rQiv-t7ux0SOyYhkhku2Vlr-kBXxzlnn48PH4vndPn-9LK4X6YoZRVTrNqm5EUjZUmiQGXqktqmqkSJQlCe560BbmoSnORKYVmA4gpMbcq2UShQztnNoXfj3feWQtSDDUh9b0Zy26BFJWSR13wyqoMRvQvBU6s33g7G7zQHvUenO31Ep_fo9KQJ3ZS7O-Ro-uLHktcBLY1IjfWEUTfO_tPwC9Rxetc</recordid><startdate>20040801</startdate><enddate>20040801</enddate><creator>Druyts, F</creator><creator>Alves, E.C</creator><creator>Wu, C.H</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>Methods for the mitigation of the chemical reactivity of beryllium in steam</title><author>Druyts, F ; Alves, E.C ; Wu, C.H</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c338t-c8fd716d337e26c5a97efd8827c22e444fa01a9e21e3b5c7605150a9a7fd5c2c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2004</creationdate><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Druyts, F</creatorcontrib><creatorcontrib>Alves, E.C</creatorcontrib><creatorcontrib>Wu, C.H</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>Druyts, F</au><au>Alves, E.C</au><au>Wu, C.H</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Methods for the mitigation of the chemical reactivity of beryllium in steam</atitle><jtitle>Journal of nuclear materials</jtitle><date>2004-08-01</date><risdate>2004</risdate><volume>329</volume><spage>1353</spage><epage>1356</epage><pages>1353-1356</pages><issn>0022-3115</issn><eissn>1873-4820</eissn><abstract>In the safety assessment of future fusion reactors, the reaction of beryllium with steam remains one of the main concerns. In case of a loss of coolant accident (LOCA), the use of beryllium in combination with pressurised water as coolant can lead to excessive hydrogen production due to the reaction Be
+
H
2O
=
BeO
+
H
2
+
heat. Therefore, we started an R&D programme aimed at investigating mitigation methods for the beryllium/steam reaction. Beryllium samples were implanted with either calcium or aluminium ions in a 210 kV ion implanter at ITN Lisbon. The chemical reactivity of these samples in steam was measured at SCK
•
CEN in a dedicated experimental facility providing coupled thermogravimetry/mass spectrometry. In comparison to reference undoped material, the reactivity of doped beryllium after 30 min of exposure decreased with a factor 2 to 4. The mitigating effect was higher for calcium-doped than for aluminium-doped samples.</abstract><pub>Elsevier B.V</pub><doi>10.1016/j.jnucmat.2004.04.204</doi><tpages>4</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0022-3115 |
| ispartof | Journal of nuclear materials, 2004-08, Vol.329, p.1353-1356 |
| issn | 0022-3115 1873-4820 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_28236491 |
| source | ScienceDirect Journals |
| title | Methods for the mitigation of the chemical reactivity of beryllium in steam |
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