A comparison of initial damage rates due to electron and neutron irradiations measured by internal friction techniques. II. Neutron energy dependence
Neutron energy dependence of the initial dislocation pinning rate was studied from 1.9 to 23.4 MeV on a copper sample. By comparing initial pinning rates from 0.5- and 1.0-MeV electron irradiations and the neutron irradiations, and using the defect production rate for electron bombardments, an estim...
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| Veröffentlicht in: | J. Appl. Phys.; (United States) 1980-07, Vol.51 (7), p.3690-3696 |
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| container_title | J. Appl. Phys.; (United States) |
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| creator | Goldstone, J A Parkin, D M Simpson, H M |
| description | Neutron energy dependence of the initial dislocation pinning rate was studied from 1.9 to 23.4 MeV on a copper sample. By comparing initial pinning rates from 0.5- and 1.0-MeV electron irradiations and the neutron irradiations, and using the defect production rate for electron bombardments, an estimate of the free interstitial production cross sections (FIPCS) for neutrons was made. These FIPCS values are compared with several theories which predict the total number of Frenkel pairs produced as a function of recoil energy. Comparison with the simplest of these models (Norgett-Robinson-Torrens) showed good agreement with the trend of the energy dependence of the FIPCS. Additional comparison showed that only 1% or less of the predicted number of interstitials survive as free interstitials. A gold sample was also studied and results of 2-MeV electron and 14.3-MeV neutron irradiations are also presented. |
| doi_str_mv | 10.1063/1.328153 |
| format | Article |
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II. Neutron energy dependence</title><source>AIP Digital Archive</source><creator>Goldstone, J A ; Parkin, D M ; Simpson, H M</creator><creatorcontrib>Goldstone, J A ; Parkin, D M ; Simpson, H M ; Los Alamos Scientific Laboratory, Los Alamos, New Mexico 87545</creatorcontrib><description>Neutron energy dependence of the initial dislocation pinning rate was studied from 1.9 to 23.4 MeV on a copper sample. By comparing initial pinning rates from 0.5- and 1.0-MeV electron irradiations and the neutron irradiations, and using the defect production rate for electron bombardments, an estimate of the free interstitial production cross sections (FIPCS) for neutrons was made. These FIPCS values are compared with several theories which predict the total number of Frenkel pairs produced as a function of recoil energy. Comparison with the simplest of these models (Norgett-Robinson-Torrens) showed good agreement with the trend of the energy dependence of the FIPCS. Additional comparison showed that only 1% or less of the predicted number of interstitials survive as free interstitials. A gold sample was also studied and results of 2-MeV electron and 14.3-MeV neutron irradiations are also presented.</description><identifier>ISSN: 0021-8979</identifier><identifier>EISSN: 1089-7550</identifier><identifier>DOI: 10.1063/1.328153</identifier><language>eng</language><publisher>United States</publisher><subject>360106 - Metals & Alloys- Radiation Effects ; BARYONS ; COMPARATIVE EVALUATIONS ; COPPER ; CROSS SECTIONS ; CRYSTAL DEFECTS ; CRYSTAL STRUCTURE ; DAMAGE ; DISLOCATIONS ; ELECTRONS ; ELEMENTARY PARTICLES ; ELEMENTS ; ENERGY RANGE ; FERMIONS ; FRICTION ; GOLD ; HADRONS ; INTERNAL FRICTION ; INTERSTITIALS ; IRRADIATION ; LEPTONS ; LINE DEFECTS ; MATERIALS SCIENCE ; MATHEMATICAL MODELS ; METALS ; MEV RANGE ; NEUTRONS ; NUCLEONS ; PHYSICAL RADIATION EFFECTS ; POINT DEFECTS ; RADIATION EFFECTS ; TRANSITION ELEMENTS</subject><ispartof>J. Appl. Phys.; (United States), 1980-07, Vol.51 (7), p.3690-3696</ispartof><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c2633-2029fe8fde536cef673255db954e4855326a7ab73fbd321c46f534945eefe2bd3</citedby><cites>FETCH-LOGICAL-c2633-2029fe8fde536cef673255db954e4855326a7ab73fbd321c46f534945eefe2bd3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,777,781,882,27905,27906</link.rule.ids><backlink>$$Uhttps://www.osti.gov/biblio/5380780$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>Goldstone, J A</creatorcontrib><creatorcontrib>Parkin, D M</creatorcontrib><creatorcontrib>Simpson, H M</creatorcontrib><creatorcontrib>Los Alamos Scientific Laboratory, Los Alamos, New Mexico 87545</creatorcontrib><title>A comparison of initial damage rates due to electron and neutron irradiations measured by internal friction techniques. II. Neutron energy dependence</title><title>J. Appl. Phys.; (United States)</title><description>Neutron energy dependence of the initial dislocation pinning rate was studied from 1.9 to 23.4 MeV on a copper sample. By comparing initial pinning rates from 0.5- and 1.0-MeV electron irradiations and the neutron irradiations, and using the defect production rate for electron bombardments, an estimate of the free interstitial production cross sections (FIPCS) for neutrons was made. These FIPCS values are compared with several theories which predict the total number of Frenkel pairs produced as a function of recoil energy. Comparison with the simplest of these models (Norgett-Robinson-Torrens) showed good agreement with the trend of the energy dependence of the FIPCS. Additional comparison showed that only 1% or less of the predicted number of interstitials survive as free interstitials. A gold sample was also studied and results of 2-MeV electron and 14.3-MeV neutron irradiations are also presented.</description><subject>360106 - Metals & Alloys- Radiation Effects</subject><subject>BARYONS</subject><subject>COMPARATIVE EVALUATIONS</subject><subject>COPPER</subject><subject>CROSS SECTIONS</subject><subject>CRYSTAL DEFECTS</subject><subject>CRYSTAL STRUCTURE</subject><subject>DAMAGE</subject><subject>DISLOCATIONS</subject><subject>ELECTRONS</subject><subject>ELEMENTARY PARTICLES</subject><subject>ELEMENTS</subject><subject>ENERGY RANGE</subject><subject>FERMIONS</subject><subject>FRICTION</subject><subject>GOLD</subject><subject>HADRONS</subject><subject>INTERNAL FRICTION</subject><subject>INTERSTITIALS</subject><subject>IRRADIATION</subject><subject>LEPTONS</subject><subject>LINE DEFECTS</subject><subject>MATERIALS SCIENCE</subject><subject>MATHEMATICAL MODELS</subject><subject>METALS</subject><subject>MEV RANGE</subject><subject>NEUTRONS</subject><subject>NUCLEONS</subject><subject>PHYSICAL RADIATION EFFECTS</subject><subject>POINT DEFECTS</subject><subject>RADIATION EFFECTS</subject><subject>TRANSITION ELEMENTS</subject><issn>0021-8979</issn><issn>1089-7550</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1980</creationdate><recordtype>article</recordtype><recordid>eNqNkUtOIzEQhq0RI03IjMQRLBaITQc_2m73EiEekSLYMGvLscsZj7rtYLsXOQj3pUM4AKsqVX36VKUfoQtKVpRIfkNXnCkq-A-0oET1TScEOUMLQhhtVN_1v9B5Kf8JoVTxfoHeb7FN497kUFLEyeMQQw1mwM6MZgc4mwoFuwlwTRgGsDXPnIkOR5g--5CzccHUkGLBI5gyZXB4e5hNFXKcVT4He1zjCvZfDG8TlBVer1f4-UsBEfLugB3sITqIFn6jn94MBf581SX6-3D_evfUbF4e13e3m8YyyXnDCOs9KO9AcGnBy44zIdy2Fy20SgjOpOnMtuN-6zijtpVe8LZvBYAHNs-W6PLkTaUGXWw4XmhTjPOfWnBFOkVm6OoE7XM63l71GIqFYTAR0lQ047ITUn4PJD1XM3h9Am1OpWTwep_DaPJBU6KPKWqqTynyD0w-kL4</recordid><startdate>19800701</startdate><enddate>19800701</enddate><creator>Goldstone, J A</creator><creator>Parkin, D M</creator><creator>Simpson, H M</creator><scope>AAYXX</scope><scope>CITATION</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>7U5</scope><scope>L7M</scope><scope>OTOTI</scope></search><sort><creationdate>19800701</creationdate><title>A comparison of initial damage rates due to electron and neutron irradiations measured by internal friction techniques. II. Neutron energy dependence</title><author>Goldstone, J A ; Parkin, D M ; Simpson, H M</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c2633-2029fe8fde536cef673255db954e4855326a7ab73fbd321c46f534945eefe2bd3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1980</creationdate><topic>360106 - Metals & Alloys- Radiation Effects</topic><topic>BARYONS</topic><topic>COMPARATIVE EVALUATIONS</topic><topic>COPPER</topic><topic>CROSS SECTIONS</topic><topic>CRYSTAL DEFECTS</topic><topic>CRYSTAL STRUCTURE</topic><topic>DAMAGE</topic><topic>DISLOCATIONS</topic><topic>ELECTRONS</topic><topic>ELEMENTARY PARTICLES</topic><topic>ELEMENTS</topic><topic>ENERGY RANGE</topic><topic>FERMIONS</topic><topic>FRICTION</topic><topic>GOLD</topic><topic>HADRONS</topic><topic>INTERNAL FRICTION</topic><topic>INTERSTITIALS</topic><topic>IRRADIATION</topic><topic>LEPTONS</topic><topic>LINE DEFECTS</topic><topic>MATERIALS SCIENCE</topic><topic>MATHEMATICAL MODELS</topic><topic>METALS</topic><topic>MEV RANGE</topic><topic>NEUTRONS</topic><topic>NUCLEONS</topic><topic>PHYSICAL RADIATION EFFECTS</topic><topic>POINT DEFECTS</topic><topic>RADIATION EFFECTS</topic><topic>TRANSITION ELEMENTS</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Goldstone, J A</creatorcontrib><creatorcontrib>Parkin, D M</creatorcontrib><creatorcontrib>Simpson, H M</creatorcontrib><creatorcontrib>Los Alamos Scientific Laboratory, Los Alamos, New Mexico 87545</creatorcontrib><collection>CrossRef</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>OSTI.GOV</collection><jtitle>J. Appl. Phys.; (United States)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Goldstone, J A</au><au>Parkin, D M</au><au>Simpson, H M</au><aucorp>Los Alamos Scientific Laboratory, Los Alamos, New Mexico 87545</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A comparison of initial damage rates due to electron and neutron irradiations measured by internal friction techniques. II. Neutron energy dependence</atitle><jtitle>J. Appl. Phys.; (United States)</jtitle><date>1980-07-01</date><risdate>1980</risdate><volume>51</volume><issue>7</issue><spage>3690</spage><epage>3696</epage><pages>3690-3696</pages><issn>0021-8979</issn><eissn>1089-7550</eissn><abstract>Neutron energy dependence of the initial dislocation pinning rate was studied from 1.9 to 23.4 MeV on a copper sample. By comparing initial pinning rates from 0.5- and 1.0-MeV electron irradiations and the neutron irradiations, and using the defect production rate for electron bombardments, an estimate of the free interstitial production cross sections (FIPCS) for neutrons was made. These FIPCS values are compared with several theories which predict the total number of Frenkel pairs produced as a function of recoil energy. Comparison with the simplest of these models (Norgett-Robinson-Torrens) showed good agreement with the trend of the energy dependence of the FIPCS. Additional comparison showed that only 1% or less of the predicted number of interstitials survive as free interstitials. A gold sample was also studied and results of 2-MeV electron and 14.3-MeV neutron irradiations are also presented.</abstract><cop>United States</cop><doi>10.1063/1.328153</doi><tpages>7</tpages><oa>free_for_read</oa></addata></record> |
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| identifier | ISSN: 0021-8979 |
| ispartof | J. Appl. Phys.; (United States), 1980-07, Vol.51 (7), p.3690-3696 |
| issn | 0021-8979 1089-7550 |
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| source | AIP Digital Archive |
| subjects | 360106 - Metals & Alloys- Radiation Effects BARYONS COMPARATIVE EVALUATIONS COPPER CROSS SECTIONS CRYSTAL DEFECTS CRYSTAL STRUCTURE DAMAGE DISLOCATIONS ELECTRONS ELEMENTARY PARTICLES ELEMENTS ENERGY RANGE FERMIONS FRICTION GOLD HADRONS INTERNAL FRICTION INTERSTITIALS IRRADIATION LEPTONS LINE DEFECTS MATERIALS SCIENCE MATHEMATICAL MODELS METALS MEV RANGE NEUTRONS NUCLEONS PHYSICAL RADIATION EFFECTS POINT DEFECTS RADIATION EFFECTS TRANSITION ELEMENTS |
| title | A comparison of initial damage rates due to electron and neutron irradiations measured by internal friction techniques. II. Neutron energy dependence |
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