Evolution of magnetic properties of cladding austenitic steel under irradiation in a reactor
Magnetic properties of samples of austenitic steel ChS-68 cut from the cladding of a fuel element, which was irradiated in a BN-600 fast-neutron reactor to a maximal damage dose of ∼80 displacements per atom (dpa) at temperatures of 370–587°C, have been investigated. It has been established that irr...
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| Veröffentlicht in: | Physics of metals and metallography 2014-03, Vol.115 (3), p.248-256 |
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| container_title | Physics of metals and metallography |
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| creator | Chukalkin, Yu. G. Kozlov, A. V. Evseev, M. V. |
| description | Magnetic properties of samples of austenitic steel ChS-68 cut from the cladding of a fuel element, which was irradiated in a BN-600 fast-neutron reactor to a maximal damage dose of ∼80 displacements per atom (dpa) at temperatures of 370–587°C, have been investigated. It has been established that irradiation with fast neutrons leads to the formation of ferromagnetic microregions, the effective sizes and concentration of which depend on the damage dose. It has been shown that, at damage doses higher than ∼55 dpa, small spontaneous magnetization and magnetization hysteresis, which are characteristic of the ferromagnetic state, appear in the samples. It is assumed that the ferromagnetic microregions are the nuclei of the α′ phase and the radiation-induced segregation microregions, in which the spacing between the nearest iron atoms exceeds the critical distance that determines the change in the sign of exchange interaction. Arguments in favor of this assumption are presented. |
| doi_str_mv | 10.1134/S0031918X1403003X |
| format | Article |
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G. ; Kozlov, A. V. ; Evseev, M. V.</creator><creatorcontrib>Chukalkin, Yu. G. ; Kozlov, A. V. ; Evseev, M. V.</creatorcontrib><description>Magnetic properties of samples of austenitic steel ChS-68 cut from the cladding of a fuel element, which was irradiated in a BN-600 fast-neutron reactor to a maximal damage dose of ∼80 displacements per atom (dpa) at temperatures of 370–587°C, have been investigated. It has been established that irradiation with fast neutrons leads to the formation of ferromagnetic microregions, the effective sizes and concentration of which depend on the damage dose. It has been shown that, at damage doses higher than ∼55 dpa, small spontaneous magnetization and magnetization hysteresis, which are characteristic of the ferromagnetic state, appear in the samples. It is assumed that the ferromagnetic microregions are the nuclei of the α′ phase and the radiation-induced segregation microregions, in which the spacing between the nearest iron atoms exceeds the critical distance that determines the change in the sign of exchange interaction. Arguments in favor of this assumption are presented.</description><identifier>ISSN: 0031-918X</identifier><identifier>EISSN: 1555-6190</identifier><identifier>DOI: 10.1134/S0031918X1403003X</identifier><language>eng</language><publisher>Moscow: Pleiades Publishing</publisher><subject>Analysis ; Austenitic stainless steels ; Building materials ; Chemistry and Materials Science ; Cladding ; Damage ; Electrical and Magnetic Properties ; Ferromagnetism ; Irradiation ; Magnetic properties ; Magnetization ; Materials Science ; Metallic Materials ; Nuclear radiation ; Nuclei ; Steel</subject><ispartof>Physics of metals and metallography, 2014-03, Vol.115 (3), p.248-256</ispartof><rights>Pleiades Publishing, Ltd. 2014</rights><rights>COPYRIGHT 2014 Springer</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c388t-fd333bc5da2140e3261db3f9cddb51812cd37f392d6e6b3213e4ad52c6ef21233</citedby><cites>FETCH-LOGICAL-c388t-fd333bc5da2140e3261db3f9cddb51812cd37f392d6e6b3213e4ad52c6ef21233</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1134/S0031918X1403003X$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1134/S0031918X1403003X$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27901,27902,41464,42533,51294</link.rule.ids></links><search><creatorcontrib>Chukalkin, Yu. 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It is assumed that the ferromagnetic microregions are the nuclei of the α′ phase and the radiation-induced segregation microregions, in which the spacing between the nearest iron atoms exceeds the critical distance that determines the change in the sign of exchange interaction. Arguments in favor of this assumption are presented.</description><subject>Analysis</subject><subject>Austenitic stainless steels</subject><subject>Building materials</subject><subject>Chemistry and Materials Science</subject><subject>Cladding</subject><subject>Damage</subject><subject>Electrical and Magnetic Properties</subject><subject>Ferromagnetism</subject><subject>Irradiation</subject><subject>Magnetic properties</subject><subject>Magnetization</subject><subject>Materials Science</subject><subject>Metallic Materials</subject><subject>Nuclear radiation</subject><subject>Nuclei</subject><subject>Steel</subject><issn>0031-918X</issn><issn>1555-6190</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><recordid>eNp1kU1LBDEMhosouH78AG8DXryMNs3M7PQo4hcIHlTwIAzdNl0qs-3azgj-ezuuB1Ekh4TkecNLwtgR8FMArM4eOEeQ0D5DxTHXz1tsBnVdlw1Ivs1m07ic5rtsL6VXzquqanDGXi7fQz8OLvgi2GKllp4Gp4t1DGuKg6M0tXWvjHF-WagxDeTdROSC-mL0hmLhYlTGqa8tzheqiKT0EOIB27GqT3T4nffZ09Xl48VNeXd_fXtxfldqbNuhtAYRF7o2SmT3hKIBs0ArtTGLGloQ2uDcohSmoWaBApAqZWqhG7ICBOI-O9nszbbfRkpDt3JJU98rT2FMHdTIpUSJbUaPf6GvYYw-u8sUiKatOc4zdbqhlqqnznkbhqh0DkMrp4Mn63L_HBuZjz6XkwA2Ah1DSpFst45upeJHB7ybHtT9eVDWiI0mZdYvKf6w8q_oE18Akro</recordid><startdate>20140301</startdate><enddate>20140301</enddate><creator>Chukalkin, Yu. 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| subjects | Analysis Austenitic stainless steels Building materials Chemistry and Materials Science Cladding Damage Electrical and Magnetic Properties Ferromagnetism Irradiation Magnetic properties Magnetization Materials Science Metallic Materials Nuclear radiation Nuclei Steel |
| title | Evolution of magnetic properties of cladding austenitic steel under irradiation in a reactor |
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