Copper precipitation in Fe–Cu alloys under electron and neutron irradiation
Precipitation of copper-rich clusters is a contribution to in-service hardening of some reactor pressure vessel ferritic steels. At temperatures less than 300 °C the precipitates are observed to be about 2 nm in diameter and not to coarsen, at least in the dose range from ∼10 −3 to 10 −2 dpa. As a r...
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| Veröffentlicht in: | Acta materialia 2004-02, Vol.52 (4), p.877-886 |
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| container_title | Acta materialia |
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| creator | Barashev, A.V. Golubov, S.I. Bacon, D.J. Flewitt, P.E.J. Lewis, T.A. |
| description | Precipitation of copper-rich clusters is a contribution to in-service hardening of some reactor pressure vessel ferritic steels. At temperatures less than 300 °C the precipitates are observed to be about 2 nm in diameter and not to coarsen, at least in the dose range from ∼10
−3 to 10
−2 dpa. As a result the hardening is close to a maximum. This phenomenon is studied here by computer simulations based on the “mean-field” approach for describing microstructural evolution in a binary Fe–Cu alloy. It is shown that the experimental data obtained from electron irradiated material and reactor-neutron irradiated steels have a stage of precipitate evolution intermediate between growth and coarsening. During this stage the size distribution of precipitates broadens while the number density and the mean size remain constant, which explains the observations. The role interstitial atom clusters produced in displacement cascades may have on the kinetics of copper precipitate coarsening is discussed. |
| doi_str_mv | 10.1016/j.actamat.2003.10.023 |
| format | Article |
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−3 to 10
−2 dpa. As a result the hardening is close to a maximum. This phenomenon is studied here by computer simulations based on the “mean-field” approach for describing microstructural evolution in a binary Fe–Cu alloy. It is shown that the experimental data obtained from electron irradiated material and reactor-neutron irradiated steels have a stage of precipitate evolution intermediate between growth and coarsening. During this stage the size distribution of precipitates broadens while the number density and the mean size remain constant, which explains the observations. The role interstitial atom clusters produced in displacement cascades may have on the kinetics of copper precipitate coarsening is discussed.</description><identifier>ISSN: 1359-6454</identifier><identifier>EISSN: 1873-2453</identifier><identifier>DOI: 10.1016/j.actamat.2003.10.023</identifier><language>eng</language><publisher>Oxford: Elsevier Ltd</publisher><subject>Coarsening ; Condensed matter: structure, mechanical and thermal properties ; Cross-disciplinary physics: materials science; rheology ; Electrons and positron radiation effects ; Exact sciences and technology ; Ferritic steels ; Hardening ; Materials science ; Mean Field Analysis ; Neutron radiation effects ; Physical radiation effects, radiation damage ; Physics ; Precipitation ; Radiation treatment (particle and electromagnetic) ; Radiation treatments ; Structure of solids and liquids; crystallography ; Treatment of materials and its effects on microstructure and properties</subject><ispartof>Acta materialia, 2004-02, Vol.52 (4), p.877-886</ispartof><rights>2003 Acta Materialia Inc.</rights><rights>2004 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c465t-383fbee6275575ba062878a1de35ea680ee7a8b35f3a975e8432bda37a297393</citedby><cites>FETCH-LOGICAL-c465t-383fbee6275575ba062878a1de35ea680ee7a8b35f3a975e8432bda37a297393</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.actamat.2003.10.023$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=15514812$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Barashev, A.V.</creatorcontrib><creatorcontrib>Golubov, S.I.</creatorcontrib><creatorcontrib>Bacon, D.J.</creatorcontrib><creatorcontrib>Flewitt, P.E.J.</creatorcontrib><creatorcontrib>Lewis, T.A.</creatorcontrib><title>Copper precipitation in Fe–Cu alloys under electron and neutron irradiation</title><title>Acta materialia</title><description>Precipitation of copper-rich clusters is a contribution to in-service hardening of some reactor pressure vessel ferritic steels. At temperatures less than 300 °C the precipitates are observed to be about 2 nm in diameter and not to coarsen, at least in the dose range from ∼10
−3 to 10
−2 dpa. As a result the hardening is close to a maximum. This phenomenon is studied here by computer simulations based on the “mean-field” approach for describing microstructural evolution in a binary Fe–Cu alloy. It is shown that the experimental data obtained from electron irradiated material and reactor-neutron irradiated steels have a stage of precipitate evolution intermediate between growth and coarsening. During this stage the size distribution of precipitates broadens while the number density and the mean size remain constant, which explains the observations. The role interstitial atom clusters produced in displacement cascades may have on the kinetics of copper precipitate coarsening is discussed.</description><subject>Coarsening</subject><subject>Condensed matter: structure, mechanical and thermal properties</subject><subject>Cross-disciplinary physics: materials science; rheology</subject><subject>Electrons and positron radiation effects</subject><subject>Exact sciences and technology</subject><subject>Ferritic steels</subject><subject>Hardening</subject><subject>Materials science</subject><subject>Mean Field Analysis</subject><subject>Neutron radiation effects</subject><subject>Physical radiation effects, radiation damage</subject><subject>Physics</subject><subject>Precipitation</subject><subject>Radiation treatment (particle and electromagnetic)</subject><subject>Radiation treatments</subject><subject>Structure of solids and liquids; crystallography</subject><subject>Treatment of materials and its effects on microstructure and properties</subject><issn>1359-6454</issn><issn>1873-2453</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2004</creationdate><recordtype>article</recordtype><recordid>eNqNkM9Kw0AQh4MoWKuPIOSit9T9k81uTiLBqlDx0vsy2UxgS5rE3UTozXfwDX0SN23Bo55mGL7fDPNF0TUlC0podrdZgBlgC8OCEcLDbEEYP4lmVEmesFTw09BzkSdZKtLz6ML7DSGUyZTMotei63t0ce_Q2N4OMNiujW0bL_H786sYY2iabufjsa0ChQ2awQUA2ipucdz31jmo7D54GZ3V0Hi8OtZ5tF4-rovnZPX29FI8rBKTZmJIuOJ1iZgxKYQUJZCMKamAVsgFQqYIogRVclFzyKVAlXJWVsAlsFzynM-j28Pa3nXvI_pBb6032DTQYjd6zdT0Ls_-BVLF0wCKA2hc573DWvfObsHtNCV6kqw3-ihZT5KncZAccjfHA-ANNLWD1lj_GxaCpoqywN0fOAxWPiw67Y3F1mBlg_hBV53949IP7vGV4Q</recordid><startdate>20040223</startdate><enddate>20040223</enddate><creator>Barashev, A.V.</creator><creator>Golubov, S.I.</creator><creator>Bacon, D.J.</creator><creator>Flewitt, P.E.J.</creator><creator>Lewis, T.A.</creator><general>Elsevier Ltd</general><general>Elsevier Science</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope><scope>8BQ</scope><scope>JG9</scope></search><sort><creationdate>20040223</creationdate><title>Copper precipitation in Fe–Cu alloys under electron and neutron irradiation</title><author>Barashev, A.V. ; Golubov, S.I. ; Bacon, D.J. ; Flewitt, P.E.J. ; Lewis, T.A.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c465t-383fbee6275575ba062878a1de35ea680ee7a8b35f3a975e8432bda37a297393</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2004</creationdate><topic>Coarsening</topic><topic>Condensed matter: structure, mechanical and thermal properties</topic><topic>Cross-disciplinary physics: materials science; rheology</topic><topic>Electrons and positron radiation effects</topic><topic>Exact sciences and technology</topic><topic>Ferritic steels</topic><topic>Hardening</topic><topic>Materials science</topic><topic>Mean Field Analysis</topic><topic>Neutron radiation effects</topic><topic>Physical radiation effects, radiation damage</topic><topic>Physics</topic><topic>Precipitation</topic><topic>Radiation treatment (particle and electromagnetic)</topic><topic>Radiation treatments</topic><topic>Structure of solids and liquids; crystallography</topic><topic>Treatment of materials and its effects on microstructure and properties</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Barashev, A.V.</creatorcontrib><creatorcontrib>Golubov, S.I.</creatorcontrib><creatorcontrib>Bacon, D.J.</creatorcontrib><creatorcontrib>Flewitt, P.E.J.</creatorcontrib><creatorcontrib>Lewis, T.A.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>METADEX</collection><collection>Materials Research Database</collection><jtitle>Acta materialia</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Barashev, A.V.</au><au>Golubov, S.I.</au><au>Bacon, D.J.</au><au>Flewitt, P.E.J.</au><au>Lewis, T.A.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Copper precipitation in Fe–Cu alloys under electron and neutron irradiation</atitle><jtitle>Acta materialia</jtitle><date>2004-02-23</date><risdate>2004</risdate><volume>52</volume><issue>4</issue><spage>877</spage><epage>886</epage><pages>877-886</pages><issn>1359-6454</issn><eissn>1873-2453</eissn><abstract>Precipitation of copper-rich clusters is a contribution to in-service hardening of some reactor pressure vessel ferritic steels. At temperatures less than 300 °C the precipitates are observed to be about 2 nm in diameter and not to coarsen, at least in the dose range from ∼10
−3 to 10
−2 dpa. As a result the hardening is close to a maximum. This phenomenon is studied here by computer simulations based on the “mean-field” approach for describing microstructural evolution in a binary Fe–Cu alloy. It is shown that the experimental data obtained from electron irradiated material and reactor-neutron irradiated steels have a stage of precipitate evolution intermediate between growth and coarsening. During this stage the size distribution of precipitates broadens while the number density and the mean size remain constant, which explains the observations. The role interstitial atom clusters produced in displacement cascades may have on the kinetics of copper precipitate coarsening is discussed.</abstract><cop>Oxford</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.actamat.2003.10.023</doi><tpages>10</tpages></addata></record> |
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| ispartof | Acta materialia, 2004-02, Vol.52 (4), p.877-886 |
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| source | Elsevier ScienceDirect Journals Complete |
| subjects | Coarsening Condensed matter: structure, mechanical and thermal properties Cross-disciplinary physics: materials science rheology Electrons and positron radiation effects Exact sciences and technology Ferritic steels Hardening Materials science Mean Field Analysis Neutron radiation effects Physical radiation effects, radiation damage Physics Precipitation Radiation treatment (particle and electromagnetic) Radiation treatments Structure of solids and liquids crystallography Treatment of materials and its effects on microstructure and properties |
| title | Copper precipitation in Fe–Cu alloys under electron and neutron irradiation |
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