Effects of gamma irradiation on the degradation of silicone rubber by steam exposure
Silicone rubber (SiR) is an important electrical insulating material for safety-related cables in nuclear power plants. This means that SiR must withstand the irradiation of gamma rays and the exposure to high-temperature steam. However, SiR is vulnerable to hydrolysis. Therefore, for the purpose of...
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| Veröffentlicht in: | Journal of nuclear science and technology 2021-02, Vol.58 (2), p.166-172 |
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| container_title | Journal of nuclear science and technology |
| container_volume | 58 |
| creator | Ito, Seitaro Miyazaki, Yu Hirai, Naoshi Ohki, Yoshimichi |
| description | Silicone rubber (SiR) is an important electrical insulating material for safety-related cables in nuclear power plants. This means that SiR must withstand the irradiation of gamma rays and the exposure to high-temperature steam. However, SiR is vulnerable to hydrolysis. Therefore, for the purpose of clarifying the behavior of SiR in such environments, sheets of SiR were exposed to steam at 171 or 200°C with and without pre-irradiation of gamma rays. As a result, it has become clear that SiR can withstand the exposure to high-temperature steam more robustly if it was irradiated by gamma rays to a proper dose in advance. |
| doi_str_mv | 10.1080/00223131.2020.1815605 |
| format | Article |
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This means that SiR must withstand the irradiation of gamma rays and the exposure to high-temperature steam. However, SiR is vulnerable to hydrolysis. Therefore, for the purpose of clarifying the behavior of SiR in such environments, sheets of SiR were exposed to steam at 171 or 200°C with and without pre-irradiation of gamma rays. As a result, it has become clear that SiR can withstand the exposure to high-temperature steam more robustly if it was irradiated by gamma rays to a proper dose in advance.</description><identifier>ISSN: 0022-3131</identifier><identifier>EISSN: 1881-1248</identifier><identifier>DOI: 10.1080/00223131.2020.1815605</identifier><language>eng</language><publisher>Tokyo: Taylor & Francis</publisher><subject>degradation ; Electric cables ; Exposure ; Gamma irradiation ; Gamma rays ; High temperature ; Inorganic polymer ; Insulation ; irradiation ; Nuclear engineering ; Nuclear power plants ; Nuclear safety ; severe accident ; Silicone resins ; Silicone rubber ; Silicones ; vapor exposure</subject><ispartof>Journal of nuclear science and technology, 2021-02, Vol.58 (2), p.166-172</ispartof><rights>2020 Atomic Energy Society of Japan. All rights reserved. 2020</rights><rights>2020 Atomic Energy Society of Japan. 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As a result, it has become clear that SiR can withstand the exposure to high-temperature steam more robustly if it was irradiated by gamma rays to a proper dose in advance.</description><subject>degradation</subject><subject>Electric cables</subject><subject>Exposure</subject><subject>Gamma irradiation</subject><subject>Gamma rays</subject><subject>High temperature</subject><subject>Inorganic polymer</subject><subject>Insulation</subject><subject>irradiation</subject><subject>Nuclear engineering</subject><subject>Nuclear power plants</subject><subject>Nuclear safety</subject><subject>severe accident</subject><subject>Silicone resins</subject><subject>Silicone rubber</subject><subject>Silicones</subject><subject>vapor exposure</subject><issn>0022-3131</issn><issn>1881-1248</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNp9UE1LAzEQDaJgrf4EIeB5az632ZtS6gcUvPQeZrNJTdnd1GQX7b83S-tVGBjmzZv3mIfQPSULShR5JIQxTjldMMIypKgsibxAM6oULSgT6hLNJk4xka7RTUr7PJaiVDO0XTtnzZBwcHgHXQfYxwiNh8GHHucaPi1u7C5jZ8jh5FtvQm9xHOvaRlwfcRosdNj-HEIao71FVw7aZO_OfY62L-vt6q3YfLy-r543heFcDQW3rqYVgHBKqSVkh4orWZYWRNkoUUkCwjRMuLyxzjErnKiWkpNKgqlrPkcPJ9lDDF-jTYPehzH22VHnp6kUXDKeWfLEMjGkFK3Th-g7iEdNiZ7y03_56Sk_fc4v3z2d7nzvQuzgO8S20QMc2xBdhN74pPn_Er8k73el</recordid><startdate>20210201</startdate><enddate>20210201</enddate><creator>Ito, Seitaro</creator><creator>Miyazaki, Yu</creator><creator>Hirai, Naoshi</creator><creator>Ohki, Yoshimichi</creator><general>Taylor & Francis</general><general>Taylor & Francis Ltd</general><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>20210201</creationdate><title>Effects of gamma irradiation on the degradation of silicone rubber by steam exposure</title><author>Ito, Seitaro ; Miyazaki, Yu ; Hirai, Naoshi ; Ohki, Yoshimichi</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c338t-3efb19aa4f8887aada938566ea46d84950a4cd24fadaeff2e4f49753095acbb3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>degradation</topic><topic>Electric cables</topic><topic>Exposure</topic><topic>Gamma irradiation</topic><topic>Gamma rays</topic><topic>High temperature</topic><topic>Inorganic polymer</topic><topic>Insulation</topic><topic>irradiation</topic><topic>Nuclear engineering</topic><topic>Nuclear power plants</topic><topic>Nuclear safety</topic><topic>severe accident</topic><topic>Silicone resins</topic><topic>Silicone rubber</topic><topic>Silicones</topic><topic>vapor exposure</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ito, Seitaro</creatorcontrib><creatorcontrib>Miyazaki, Yu</creatorcontrib><creatorcontrib>Hirai, Naoshi</creatorcontrib><creatorcontrib>Ohki, Yoshimichi</creatorcontrib><collection>CrossRef</collection><jtitle>Journal of nuclear science and technology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Ito, Seitaro</au><au>Miyazaki, Yu</au><au>Hirai, Naoshi</au><au>Ohki, Yoshimichi</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effects of gamma irradiation on the degradation of silicone rubber by steam exposure</atitle><jtitle>Journal of nuclear science and technology</jtitle><date>2021-02-01</date><risdate>2021</risdate><volume>58</volume><issue>2</issue><spage>166</spage><epage>172</epage><pages>166-172</pages><issn>0022-3131</issn><eissn>1881-1248</eissn><abstract>Silicone rubber (SiR) is an important electrical insulating material for safety-related cables in nuclear power plants. This means that SiR must withstand the irradiation of gamma rays and the exposure to high-temperature steam. However, SiR is vulnerable to hydrolysis. Therefore, for the purpose of clarifying the behavior of SiR in such environments, sheets of SiR were exposed to steam at 171 or 200°C with and without pre-irradiation of gamma rays. As a result, it has become clear that SiR can withstand the exposure to high-temperature steam more robustly if it was irradiated by gamma rays to a proper dose in advance.</abstract><cop>Tokyo</cop><pub>Taylor & Francis</pub><doi>10.1080/00223131.2020.1815605</doi><tpages>7</tpages></addata></record> |
| fulltext | fulltext |
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| ispartof | Journal of nuclear science and technology, 2021-02, Vol.58 (2), p.166-172 |
| issn | 0022-3131 1881-1248 |
| language | eng |
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| source | Alma/SFX Local Collection |
| subjects | degradation Electric cables Exposure Gamma irradiation Gamma rays High temperature Inorganic polymer Insulation irradiation Nuclear engineering Nuclear power plants Nuclear safety severe accident Silicone resins Silicone rubber Silicones vapor exposure |
| title | Effects of gamma irradiation on the degradation of silicone rubber by steam exposure |
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