Development of Pt-Mo Alloy Thermocouples for Incore Temperature Measurement in VITGRs
The Pt-Mo alloy thermocouples with element wires of Pt-5%Mo and Pt-0.1%Mo were developed for incore temperature measurements at a maximum temperature of 1, 200°C for a long term and of 1, 350°C for a short term in VHTRs. The thermocouples were tested at high temperature conditions of 1, 0001, 400°C...
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| Veröffentlicht in: | Journal of nuclear science and technology 1994-06, Vol.31 (6), p.609 |
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| container_title | Journal of nuclear science and technology |
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| creator | YAMADA, Masaharu ARA, Katsuyuki |
| description | The Pt-Mo alloy thermocouples with element wires of Pt-5%Mo and Pt-0.1%Mo were developed for incore temperature measurements at a maximum temperature of 1, 200°C for a long term and of 1, 350°C for a short term in VHTRs. The thermocouples were tested at high temperature conditions of 1, 0001, 400°C in an outpile electric furnace and in an incore capsule in the JMTR. The total thermal neutron fluence irradiated was 8.1×1020 n/cm2. The changes in their electromotive forces due to those exposures to high temperatures and radiation in the reactor core were evaluated to be less than ±2%. This meets the specifications that is required for the incore temperature measurements in VHTRs. Hence, the developed thermocouples can be used also in the incore temperature measurement in advanced type HTGRs and in incore irradiation experiments in the HTTR, in future. |
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The thermocouples were tested at high temperature conditions of 1, 0001, 400°C in an outpile electric furnace and in an incore capsule in the JMTR. The total thermal neutron fluence irradiated was 8.1×1020 n/cm2. The changes in their electromotive forces due to those exposures to high temperatures and radiation in the reactor core were evaluated to be less than ±2%. This meets the specifications that is required for the incore temperature measurements in VHTRs. Hence, the developed thermocouples can be used also in the incore temperature measurement in advanced type HTGRs and in incore irradiation experiments in the HTTR, in future.</description><identifier>ISSN: 0022-3131</identifier><identifier>EISSN: 1881-1248</identifier><language>eng</language><publisher>Tokyo: Taylor & Francis Ltd</publisher><ispartof>Journal of nuclear science and technology, 1994-06, Vol.31 (6), p.609</ispartof><rights>Copyright Japan Science and Technology Agency 1994</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780</link.rule.ids></links><search><creatorcontrib>YAMADA, Masaharu</creatorcontrib><creatorcontrib>ARA, Katsuyuki</creatorcontrib><title>Development of Pt-Mo Alloy Thermocouples for Incore Temperature Measurement in VITGRs</title><title>Journal of nuclear science and technology</title><description>The Pt-Mo alloy thermocouples with element wires of Pt-5%Mo and Pt-0.1%Mo were developed for incore temperature measurements at a maximum temperature of 1, 200°C for a long term and of 1, 350°C for a short term in VHTRs. The thermocouples were tested at high temperature conditions of 1, 0001, 400°C in an outpile electric furnace and in an incore capsule in the JMTR. The total thermal neutron fluence irradiated was 8.1×1020 n/cm2. The changes in their electromotive forces due to those exposures to high temperatures and radiation in the reactor core were evaluated to be less than ±2%. This meets the specifications that is required for the incore temperature measurements in VHTRs. Hence, the developed thermocouples can be used also in the incore temperature measurement in advanced type HTGRs and in incore irradiation experiments in the HTTR, in future.</description><issn>0022-3131</issn><issn>1881-1248</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1994</creationdate><recordtype>article</recordtype><sourceid/><recordid>eNqNi8sKwjAURIMoWB__EHBdaJpa26X4XhREottSyi1a0tyYpIJ_bxA_wNWZ4cwMSMCyjIUsTrIhCaIojkPOOBuTibWtr2mSZgG5buEFEnUHylFs6NmFBdK1lPim4g6mwxp7LcHSBg09qRoNUAGdBlO53ucCKuv5_T8UvZ3E4WJnZNRU0sL8xylZ7Hdicwy1wWcP1pUt9kZ5VbJkleY8z5eM_7f6AJqkQb4</recordid><startdate>19940601</startdate><enddate>19940601</enddate><creator>YAMADA, Masaharu</creator><creator>ARA, Katsuyuki</creator><general>Taylor & Francis Ltd</general><scope/></search><sort><creationdate>19940601</creationdate><title>Development of Pt-Mo Alloy Thermocouples for Incore Temperature Measurement in VITGRs</title><author>YAMADA, Masaharu ; ARA, Katsuyuki</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-proquest_journals_14769399513</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1994</creationdate><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>YAMADA, Masaharu</creatorcontrib><creatorcontrib>ARA, Katsuyuki</creatorcontrib><jtitle>Journal of nuclear science and technology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>YAMADA, Masaharu</au><au>ARA, Katsuyuki</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Development of Pt-Mo Alloy Thermocouples for Incore Temperature Measurement in VITGRs</atitle><jtitle>Journal of nuclear science and technology</jtitle><date>1994-06-01</date><risdate>1994</risdate><volume>31</volume><issue>6</issue><spage>609</spage><pages>609-</pages><issn>0022-3131</issn><eissn>1881-1248</eissn><abstract>The Pt-Mo alloy thermocouples with element wires of Pt-5%Mo and Pt-0.1%Mo were developed for incore temperature measurements at a maximum temperature of 1, 200°C for a long term and of 1, 350°C for a short term in VHTRs. The thermocouples were tested at high temperature conditions of 1, 0001, 400°C in an outpile electric furnace and in an incore capsule in the JMTR. The total thermal neutron fluence irradiated was 8.1×1020 n/cm2. The changes in their electromotive forces due to those exposures to high temperatures and radiation in the reactor core were evaluated to be less than ±2%. This meets the specifications that is required for the incore temperature measurements in VHTRs. Hence, the developed thermocouples can be used also in the incore temperature measurement in advanced type HTGRs and in incore irradiation experiments in the HTTR, in future.</abstract><cop>Tokyo</cop><pub>Taylor & Francis Ltd</pub></addata></record> |
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| title | Development of Pt-Mo Alloy Thermocouples for Incore Temperature Measurement in VITGRs |
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