Hydrogen isotope exchange at the surface of C-W mixed material layer on tungsten by gas exposure
•Hydrogen isotope exchange behavior on C-W mixed material was studied by TDS.•The temperature dependence showed that hydrogen isotope exchange was the most effective at 523 K.•It can be said that hydrogen isotope replacement is efficient to remove retained tritium on the surface region of mixture la...
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| Veröffentlicht in: | Fusion engineering and design 2020-08, Vol.157, p.111633, Article 111633 |
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| container_title | Fusion engineering and design |
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| creator | Oya, Yasuhisa Togari, Akihiro Nakata, Moeko Koike, Ayaka Wada, Takuro Yamazaki, Shota Zhao, Mingzhong Sun, Fei Yajima, Miyuki Masuzaki, Suguru |
| description | •Hydrogen isotope exchange behavior on C-W mixed material was studied by TDS.•The temperature dependence showed that hydrogen isotope exchange was the most effective at 523 K.•It can be said that hydrogen isotope replacement is efficient to remove retained tritium on the surface region of mixture layer.
Hydrogen isotope exchange behavior on carbon (C)- tungsten (W) mixed material layer on W was studied as a function of gas exposure time and temperature. It was found that hydrogen isotope exchange enhanced the reduction of residual hydrogen effectively compared by only heating. The temperature dependence showed that hydrogen isotope exchange was the most effective at 523 K and above 573 K, thermal annealing reduced the total hydrogen isotope retention. It can be said that hydrogen isotope replacement is efficient to remove retained tritium on the surface region of mixture layer. |
| doi_str_mv | 10.1016/j.fusengdes.2020.111633 |
| format | Article |
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Hydrogen isotope exchange behavior on carbon (C)- tungsten (W) mixed material layer on W was studied as a function of gas exposure time and temperature. It was found that hydrogen isotope exchange enhanced the reduction of residual hydrogen effectively compared by only heating. The temperature dependence showed that hydrogen isotope exchange was the most effective at 523 K and above 573 K, thermal annealing reduced the total hydrogen isotope retention. It can be said that hydrogen isotope replacement is efficient to remove retained tritium on the surface region of mixture layer.</description><subject>C-W mixed material layer</subject><subject>Fusion</subject><subject>Heat exchange</subject><subject>Hydrogen</subject><subject>Hydrogen isotope exchange</subject><subject>Hydrogen isotopes</subject><subject>Plasma facing wall</subject><subject>Temperature dependence</subject><subject>Tritium</subject><subject>Tungsten</subject><issn>0920-3796</issn><issn>1873-7196</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNqFkF9LwzAUxYMoOKefwYDPnfnTtc3jGOqEgS-KjzFLbrqWralJKvbbm1HxVbjcC5d7fpdzELqlZEEJLe7bhR0CdLWBsGCEpS2lBednaEarkmclFcU5mhHBSMZLUVyiqxBaQmiZaoY-NqPxroYON8FF1wOGb71XXQ1YRRz3gMPgrdKAncXr7B0fm28w-Kgi-EYd8EGN4LHrcBy6OsTE2Y24ViFhepekcI0urDoEuPmdc_T2-PC63mTbl6fn9WqbaZ7zmCm1tGpZWRAV18YawYwoKYcyt5xBySpikylLClIIRVlq1opccUGMYTsh-BzdTdzeu88BQpStG3yXXkqW5yezJF-mq3K60t6F4MHK3jdH5UdJiTzFKVv5F6c8xSmnOJNyNSkhmfhqwMugG-g0mMaDjtK45l_GDwOagr4</recordid><startdate>202008</startdate><enddate>202008</enddate><creator>Oya, Yasuhisa</creator><creator>Togari, Akihiro</creator><creator>Nakata, Moeko</creator><creator>Koike, Ayaka</creator><creator>Wada, Takuro</creator><creator>Yamazaki, Shota</creator><creator>Zhao, Mingzhong</creator><creator>Sun, Fei</creator><creator>Yajima, Miyuki</creator><creator>Masuzaki, Suguru</creator><general>Elsevier B.V</general><general>Elsevier Science Ltd</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7TB</scope><scope>8FD</scope><scope>FR3</scope><scope>H8D</scope><scope>KR7</scope><scope>L7M</scope><orcidid>https://orcid.org/0000-0002-1765-5623</orcidid></search><sort><creationdate>202008</creationdate><title>Hydrogen isotope exchange at the surface of C-W mixed material layer on tungsten by gas exposure</title><author>Oya, Yasuhisa ; Togari, Akihiro ; Nakata, Moeko ; Koike, Ayaka ; Wada, Takuro ; Yamazaki, Shota ; Zhao, Mingzhong ; Sun, Fei ; Yajima, Miyuki ; Masuzaki, Suguru</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c343t-aa5fa58fe983cdfd92d9713e74f32e7280f633f06069a1269aff94a390dd2b993</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>C-W mixed material layer</topic><topic>Fusion</topic><topic>Heat exchange</topic><topic>Hydrogen</topic><topic>Hydrogen isotope exchange</topic><topic>Hydrogen isotopes</topic><topic>Plasma facing wall</topic><topic>Temperature dependence</topic><topic>Tritium</topic><topic>Tungsten</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Oya, Yasuhisa</creatorcontrib><creatorcontrib>Togari, Akihiro</creatorcontrib><creatorcontrib>Nakata, Moeko</creatorcontrib><creatorcontrib>Koike, Ayaka</creatorcontrib><creatorcontrib>Wada, Takuro</creatorcontrib><creatorcontrib>Yamazaki, Shota</creatorcontrib><creatorcontrib>Zhao, Mingzhong</creatorcontrib><creatorcontrib>Sun, Fei</creatorcontrib><creatorcontrib>Yajima, Miyuki</creatorcontrib><creatorcontrib>Masuzaki, Suguru</creatorcontrib><collection>CrossRef</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Aerospace Database</collection><collection>Civil Engineering Abstracts</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Fusion engineering and design</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Oya, Yasuhisa</au><au>Togari, Akihiro</au><au>Nakata, Moeko</au><au>Koike, Ayaka</au><au>Wada, Takuro</au><au>Yamazaki, Shota</au><au>Zhao, Mingzhong</au><au>Sun, Fei</au><au>Yajima, Miyuki</au><au>Masuzaki, Suguru</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Hydrogen isotope exchange at the surface of C-W mixed material layer on tungsten by gas exposure</atitle><jtitle>Fusion engineering and design</jtitle><date>2020-08</date><risdate>2020</risdate><volume>157</volume><spage>111633</spage><pages>111633-</pages><artnum>111633</artnum><issn>0920-3796</issn><eissn>1873-7196</eissn><abstract>•Hydrogen isotope exchange behavior on C-W mixed material was studied by TDS.•The temperature dependence showed that hydrogen isotope exchange was the most effective at 523 K.•It can be said that hydrogen isotope replacement is efficient to remove retained tritium on the surface region of mixture layer.
Hydrogen isotope exchange behavior on carbon (C)- tungsten (W) mixed material layer on W was studied as a function of gas exposure time and temperature. It was found that hydrogen isotope exchange enhanced the reduction of residual hydrogen effectively compared by only heating. The temperature dependence showed that hydrogen isotope exchange was the most effective at 523 K and above 573 K, thermal annealing reduced the total hydrogen isotope retention. It can be said that hydrogen isotope replacement is efficient to remove retained tritium on the surface region of mixture layer.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><doi>10.1016/j.fusengdes.2020.111633</doi><orcidid>https://orcid.org/0000-0002-1765-5623</orcidid></addata></record> |
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| subjects | C-W mixed material layer Fusion Heat exchange Hydrogen Hydrogen isotope exchange Hydrogen isotopes Plasma facing wall Temperature dependence Tritium Tungsten |
| title | Hydrogen isotope exchange at the surface of C-W mixed material layer on tungsten by gas exposure |
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