High-temperature corrosion behavior of hot-pressed Al-based Gd2O3-W shielding materials used in spent fuel storage
[Display omitted] •The high-temperature corrosion behavior of hot-pressed Al-based Gd2O3-W MMCs was studied.•An outer flocculent AlO(OH) layer with a limited protective effect was formed.•Effect of the distribution and size of particles on the corrosion behavior were analyzed.•Irradiation resulted i...
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| Veröffentlicht in: | Corrosion science 2021-02, Vol.179, p.109166, Article 109166 |
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| container_title | Corrosion science |
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| creator | Cong, Shuo Li, Yipeng Ran, Guang Zhou, Wei Dong, ShiGang Feng, Qijie |
| description | [Display omitted]
•The high-temperature corrosion behavior of hot-pressed Al-based Gd2O3-W MMCs was studied.•An outer flocculent AlO(OH) layer with a limited protective effect was formed.•Effect of the distribution and size of particles on the corrosion behavior were analyzed.•Irradiation resulted in more active corrosion sites and made severe corrosion.•Pitting initiated from Al-only region and was inhibited by Gd-containing particles.
The high-temperature corrosion behavior of new types of Al-based Gd2O3-W composites prepared by hot-pressing and used in spent fuel storage were investigated. The samples were irradiated by Fe+ to simulate neutron and γ-ray irradiations and then corroded in a high-temperature boron-lithium-water environment. An outer flocculent AlO(OH) layer with a limited protective effect and an inner amorphous Al2O3 layer were formed on the surface. Pitting initiated from the Al-only portions and was inhibited by Gd-containing particles. The corrosion could bypass dispersed particles and led to a general corrosion. Irradiation resulted in more active corrosion sites and caused severe corrosion. |
| doi_str_mv | 10.1016/j.corsci.2020.109166 |
| format | Article |
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•The high-temperature corrosion behavior of hot-pressed Al-based Gd2O3-W MMCs was studied.•An outer flocculent AlO(OH) layer with a limited protective effect was formed.•Effect of the distribution and size of particles on the corrosion behavior were analyzed.•Irradiation resulted in more active corrosion sites and made severe corrosion.•Pitting initiated from Al-only region and was inhibited by Gd-containing particles.
The high-temperature corrosion behavior of new types of Al-based Gd2O3-W composites prepared by hot-pressing and used in spent fuel storage were investigated. The samples were irradiated by Fe+ to simulate neutron and γ-ray irradiations and then corroded in a high-temperature boron-lithium-water environment. An outer flocculent AlO(OH) layer with a limited protective effect and an inner amorphous Al2O3 layer were formed on the surface. Pitting initiated from the Al-only portions and was inhibited by Gd-containing particles. The corrosion could bypass dispersed particles and led to a general corrosion. Irradiation resulted in more active corrosion sites and caused severe corrosion.</description><identifier>ISSN: 0010-938X</identifier><identifier>EISSN: 1879-0496</identifier><identifier>DOI: 10.1016/j.corsci.2020.109166</identifier><language>eng</language><publisher>Amsterdam: Elsevier Ltd</publisher><subject>Aluminum matrix composite ; Aluminum oxide ; Boron ; Corrosion ; Corrosion behavior ; Fuel storage ; Gadolinia ; Gadolinium ; Gadolinium oxides ; High temperature ; Ion irradiation ; Irradiation ; Lithium ; Radioactive wastes ; Shielding ; Shielding material ; Uniform attack (corrosion)</subject><ispartof>Corrosion science, 2021-02, Vol.179, p.109166, Article 109166</ispartof><rights>2020 Elsevier Ltd</rights><rights>Copyright Elsevier BV Feb 2021</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c334t-3be228127c76c68694ca1772881db5ca9be2587025d34aaf2e792fcd8c51dc1b3</citedby><cites>FETCH-LOGICAL-c334t-3be228127c76c68694ca1772881db5ca9be2587025d34aaf2e792fcd8c51dc1b3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0010938X20324471$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3536,27903,27904,65309</link.rule.ids></links><search><creatorcontrib>Cong, Shuo</creatorcontrib><creatorcontrib>Li, Yipeng</creatorcontrib><creatorcontrib>Ran, Guang</creatorcontrib><creatorcontrib>Zhou, Wei</creatorcontrib><creatorcontrib>Dong, ShiGang</creatorcontrib><creatorcontrib>Feng, Qijie</creatorcontrib><title>High-temperature corrosion behavior of hot-pressed Al-based Gd2O3-W shielding materials used in spent fuel storage</title><title>Corrosion science</title><description>[Display omitted]
•The high-temperature corrosion behavior of hot-pressed Al-based Gd2O3-W MMCs was studied.•An outer flocculent AlO(OH) layer with a limited protective effect was formed.•Effect of the distribution and size of particles on the corrosion behavior were analyzed.•Irradiation resulted in more active corrosion sites and made severe corrosion.•Pitting initiated from Al-only region and was inhibited by Gd-containing particles.
The high-temperature corrosion behavior of new types of Al-based Gd2O3-W composites prepared by hot-pressing and used in spent fuel storage were investigated. The samples were irradiated by Fe+ to simulate neutron and γ-ray irradiations and then corroded in a high-temperature boron-lithium-water environment. An outer flocculent AlO(OH) layer with a limited protective effect and an inner amorphous Al2O3 layer were formed on the surface. Pitting initiated from the Al-only portions and was inhibited by Gd-containing particles. The corrosion could bypass dispersed particles and led to a general corrosion. Irradiation resulted in more active corrosion sites and caused severe corrosion.</description><subject>Aluminum matrix composite</subject><subject>Aluminum oxide</subject><subject>Boron</subject><subject>Corrosion</subject><subject>Corrosion behavior</subject><subject>Fuel storage</subject><subject>Gadolinia</subject><subject>Gadolinium</subject><subject>Gadolinium oxides</subject><subject>High temperature</subject><subject>Ion irradiation</subject><subject>Irradiation</subject><subject>Lithium</subject><subject>Radioactive wastes</subject><subject>Shielding</subject><subject>Shielding material</subject><subject>Uniform attack (corrosion)</subject><issn>0010-938X</issn><issn>1879-0496</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNp9kE1LAzEQhoMoWKv_wEPAc2qS_cpehFK0FQq9KHoL2WS2TWk3a5IV_PdmWc-eMmSeeYd5ELpndMEoKx-PC-180HbBKR-_alaWF2jGRFUTmtflJZpRyiipM_F5jW5COFKaSEZnyG_s_kAinHvwKg4ecIryLljX4QYO6ts6j12LDy6S3kMIYPDyRBo1FmvDdxn5wOFg4WRst8dnFcFbdQp4GAHb4dBDF3E7wAmH6Lzawy26ahMBd3_vHL2_PL-tNmS7W7-ulluisyyPJGuAc8F4patSl6Ksc61YVXEhmGkKrerUL0RFeWGyXKmWQ1XzVhuhC2Y0a7I5ephye---BghRHt3gu7RS8lwIyurkKVH5ROl0dfDQyt7bs_I_klE52pVHOdmVo1052U1jT9MYpAu-LXiZCOg0GOtBR2mc_T_gF0Qzhag</recordid><startdate>202102</startdate><enddate>202102</enddate><creator>Cong, Shuo</creator><creator>Li, Yipeng</creator><creator>Ran, Guang</creator><creator>Zhou, Wei</creator><creator>Dong, ShiGang</creator><creator>Feng, Qijie</creator><general>Elsevier Ltd</general><general>Elsevier BV</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SE</scope><scope>8BQ</scope><scope>8FD</scope><scope>F28</scope><scope>FR3</scope><scope>JG9</scope></search><sort><creationdate>202102</creationdate><title>High-temperature corrosion behavior of hot-pressed Al-based Gd2O3-W shielding materials used in spent fuel storage</title><author>Cong, Shuo ; Li, Yipeng ; Ran, Guang ; Zhou, Wei ; Dong, ShiGang ; Feng, Qijie</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c334t-3be228127c76c68694ca1772881db5ca9be2587025d34aaf2e792fcd8c51dc1b3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Aluminum matrix composite</topic><topic>Aluminum oxide</topic><topic>Boron</topic><topic>Corrosion</topic><topic>Corrosion behavior</topic><topic>Fuel storage</topic><topic>Gadolinia</topic><topic>Gadolinium</topic><topic>Gadolinium oxides</topic><topic>High temperature</topic><topic>Ion irradiation</topic><topic>Irradiation</topic><topic>Lithium</topic><topic>Radioactive wastes</topic><topic>Shielding</topic><topic>Shielding material</topic><topic>Uniform attack (corrosion)</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Cong, Shuo</creatorcontrib><creatorcontrib>Li, Yipeng</creatorcontrib><creatorcontrib>Ran, Guang</creatorcontrib><creatorcontrib>Zhou, Wei</creatorcontrib><creatorcontrib>Dong, ShiGang</creatorcontrib><creatorcontrib>Feng, Qijie</creatorcontrib><collection>CrossRef</collection><collection>Corrosion Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><collection>Materials Research Database</collection><jtitle>Corrosion science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Cong, Shuo</au><au>Li, Yipeng</au><au>Ran, Guang</au><au>Zhou, Wei</au><au>Dong, ShiGang</au><au>Feng, Qijie</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>High-temperature corrosion behavior of hot-pressed Al-based Gd2O3-W shielding materials used in spent fuel storage</atitle><jtitle>Corrosion science</jtitle><date>2021-02</date><risdate>2021</risdate><volume>179</volume><spage>109166</spage><pages>109166-</pages><artnum>109166</artnum><issn>0010-938X</issn><eissn>1879-0496</eissn><abstract>[Display omitted]
•The high-temperature corrosion behavior of hot-pressed Al-based Gd2O3-W MMCs was studied.•An outer flocculent AlO(OH) layer with a limited protective effect was formed.•Effect of the distribution and size of particles on the corrosion behavior were analyzed.•Irradiation resulted in more active corrosion sites and made severe corrosion.•Pitting initiated from Al-only region and was inhibited by Gd-containing particles.
The high-temperature corrosion behavior of new types of Al-based Gd2O3-W composites prepared by hot-pressing and used in spent fuel storage were investigated. The samples were irradiated by Fe+ to simulate neutron and γ-ray irradiations and then corroded in a high-temperature boron-lithium-water environment. An outer flocculent AlO(OH) layer with a limited protective effect and an inner amorphous Al2O3 layer were formed on the surface. Pitting initiated from the Al-only portions and was inhibited by Gd-containing particles. The corrosion could bypass dispersed particles and led to a general corrosion. Irradiation resulted in more active corrosion sites and caused severe corrosion.</abstract><cop>Amsterdam</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.corsci.2020.109166</doi></addata></record> |
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| subjects | Aluminum matrix composite Aluminum oxide Boron Corrosion Corrosion behavior Fuel storage Gadolinia Gadolinium Gadolinium oxides High temperature Ion irradiation Irradiation Lithium Radioactive wastes Shielding Shielding material Uniform attack (corrosion) |
| title | High-temperature corrosion behavior of hot-pressed Al-based Gd2O3-W shielding materials used in spent fuel storage |
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