Atomic-scale studies on the effect of boundary coherency on stability in twinned Cu
The stored energy and hardness of nanotwinned (NT) Cu are related to interaction between dislocations and {111}-twin boundaries (TBs) studied at atomic scales by high-angle annular dark-field scanning transmission electron microscope. Lack of mobile dislocations at coherent TBs (CTBs) provides as-de...
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| Veröffentlicht in: | Applied physics letters 2014-01, Vol.104 (1) |
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| creator | Niu, Rongmei Han, Ke Su, Yi-Feng Salters, Vincent J. |
| description | The stored energy and hardness of nanotwinned (NT) Cu are related to interaction between dislocations and {111}-twin boundaries (TBs) studied at atomic scales by high-angle annular dark-field scanning transmission electron microscope. Lack of mobile dislocations at coherent TBs (CTBs) provides as-deposited NT Cu a rare combination of stability and hardness. The introduction of numerous incoherent TBs (ITBs) reduces both the stability and hardness. While storing more energy in their ITBs than in the CTBs, deformed NT Cu also exhibits high dislocation density and TB mobility and therefore has increased the driving force for recovery, coarsening, and recrystallization. |
| doi_str_mv | 10.1063/1.4861610 |
| format | Article |
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Lack of mobile dislocations at coherent TBs (CTBs) provides as-deposited NT Cu a rare combination of stability and hardness. The introduction of numerous incoherent TBs (ITBs) reduces both the stability and hardness. While storing more energy in their ITBs than in the CTBs, deformed NT Cu also exhibits high dislocation density and TB mobility and therefore has increased the driving force for recovery, coarsening, and recrystallization.</description><identifier>ISSN: 0003-6951</identifier><identifier>EISSN: 1077-3118</identifier><identifier>DOI: 10.1063/1.4861610</identifier><language>eng</language><publisher>Melville: American Institute of Physics</publisher><subject>Achievement tests ; Applied physics ; Coarsening ; Deformation ; Dislocation density ; Dislocation mobility ; DISLOCATION PINNING ; DISLOCATIONS ; HARDNESS ; Internal energy ; MATERIALS RECOVERY ; MATERIALS SCIENCE ; RECRYSTALLIZATION ; Stability ; TRANSMISSION ELECTRON MICROSCOPY ; Twin boundaries</subject><ispartof>Applied physics letters, 2014-01, Vol.104 (1)</ispartof><rights>2014 AIP Publishing LLC.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c285t-6437e7f1f0df293aea371fa10953d163630d22ccd4c5dab280fe89469b51f4bf3</citedby><cites>FETCH-LOGICAL-c285t-6437e7f1f0df293aea371fa10953d163630d22ccd4c5dab280fe89469b51f4bf3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,315,781,785,886,27929,27930</link.rule.ids><backlink>$$Uhttps://www.osti.gov/biblio/22257756$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>Niu, Rongmei</creatorcontrib><creatorcontrib>Han, Ke</creatorcontrib><creatorcontrib>Su, Yi-Feng</creatorcontrib><creatorcontrib>Salters, Vincent J.</creatorcontrib><title>Atomic-scale studies on the effect of boundary coherency on stability in twinned Cu</title><title>Applied physics letters</title><description>The stored energy and hardness of nanotwinned (NT) Cu are related to interaction between dislocations and {111}-twin boundaries (TBs) studied at atomic scales by high-angle annular dark-field scanning transmission electron microscope. Lack of mobile dislocations at coherent TBs (CTBs) provides as-deposited NT Cu a rare combination of stability and hardness. The introduction of numerous incoherent TBs (ITBs) reduces both the stability and hardness. While storing more energy in their ITBs than in the CTBs, deformed NT Cu also exhibits high dislocation density and TB mobility and therefore has increased the driving force for recovery, coarsening, and recrystallization.</description><subject>Achievement tests</subject><subject>Applied physics</subject><subject>Coarsening</subject><subject>Deformation</subject><subject>Dislocation density</subject><subject>Dislocation mobility</subject><subject>DISLOCATION PINNING</subject><subject>DISLOCATIONS</subject><subject>HARDNESS</subject><subject>Internal energy</subject><subject>MATERIALS RECOVERY</subject><subject>MATERIALS SCIENCE</subject><subject>RECRYSTALLIZATION</subject><subject>Stability</subject><subject>TRANSMISSION ELECTRON MICROSCOPY</subject><subject>Twin boundaries</subject><issn>0003-6951</issn><issn>1077-3118</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><recordid>eNpFkE9LAzEUxIMoWKsHv0HAk4eteckmu3ssxX9Q8KCeQzZ5oSntpm6yyH57t7Tg6THwm2HeEHIPbAFMiSdYlLUCBeyCzIBVVSEA6ksyY4yJQjUSrslNSttJSi7EjHwuc9wHWyRrdkhTHlzARGNH8wYpeo820-hpG4fOmX6kNm6wx86ORyZl04ZdyCMNk-E3dB06uhpuyZU3u4R35zsn3y_PX6u3Yv3x-r5argvLa5kLVYoKKw-eOc8bYdCICrwB1kjhQAklmOPcWlda6UzLa-axbkrVtBJ82XoxJw-n3Jhy0MmGjHZj49TCZs05l1Ul1T916OPPgCnrbRz6biqmOfAJaZRiE_V4omwfU-rR60Mf9tPHGpg-LqtBn5cVf8SeaXY</recordid><startdate>20140106</startdate><enddate>20140106</enddate><creator>Niu, Rongmei</creator><creator>Han, Ke</creator><creator>Su, Yi-Feng</creator><creator>Salters, Vincent J.</creator><general>American Institute of Physics</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope><scope>OTOTI</scope></search><sort><creationdate>20140106</creationdate><title>Atomic-scale studies on the effect of boundary coherency on stability in twinned Cu</title><author>Niu, Rongmei ; Han, Ke ; Su, Yi-Feng ; Salters, Vincent J.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c285t-6437e7f1f0df293aea371fa10953d163630d22ccd4c5dab280fe89469b51f4bf3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>Achievement tests</topic><topic>Applied physics</topic><topic>Coarsening</topic><topic>Deformation</topic><topic>Dislocation density</topic><topic>Dislocation mobility</topic><topic>DISLOCATION PINNING</topic><topic>DISLOCATIONS</topic><topic>HARDNESS</topic><topic>Internal energy</topic><topic>MATERIALS RECOVERY</topic><topic>MATERIALS SCIENCE</topic><topic>RECRYSTALLIZATION</topic><topic>Stability</topic><topic>TRANSMISSION ELECTRON MICROSCOPY</topic><topic>Twin boundaries</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Niu, Rongmei</creatorcontrib><creatorcontrib>Han, Ke</creatorcontrib><creatorcontrib>Su, Yi-Feng</creatorcontrib><creatorcontrib>Salters, Vincent J.</creatorcontrib><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>OSTI.GOV</collection><jtitle>Applied physics letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Niu, Rongmei</au><au>Han, Ke</au><au>Su, Yi-Feng</au><au>Salters, Vincent J.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Atomic-scale studies on the effect of boundary coherency on stability in twinned Cu</atitle><jtitle>Applied physics letters</jtitle><date>2014-01-06</date><risdate>2014</risdate><volume>104</volume><issue>1</issue><issn>0003-6951</issn><eissn>1077-3118</eissn><abstract>The stored energy and hardness of nanotwinned (NT) Cu are related to interaction between dislocations and {111}-twin boundaries (TBs) studied at atomic scales by high-angle annular dark-field scanning transmission electron microscope. Lack of mobile dislocations at coherent TBs (CTBs) provides as-deposited NT Cu a rare combination of stability and hardness. The introduction of numerous incoherent TBs (ITBs) reduces both the stability and hardness. While storing more energy in their ITBs than in the CTBs, deformed NT Cu also exhibits high dislocation density and TB mobility and therefore has increased the driving force for recovery, coarsening, and recrystallization.</abstract><cop>Melville</cop><pub>American Institute of Physics</pub><doi>10.1063/1.4861610</doi></addata></record> |
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| ispartof | Applied physics letters, 2014-01, Vol.104 (1) |
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| language | eng |
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| source | AIP Journals Complete; Alma/SFX Local Collection |
| subjects | Achievement tests Applied physics Coarsening Deformation Dislocation density Dislocation mobility DISLOCATION PINNING DISLOCATIONS HARDNESS Internal energy MATERIALS RECOVERY MATERIALS SCIENCE RECRYSTALLIZATION Stability TRANSMISSION ELECTRON MICROSCOPY Twin boundaries |
| title | Atomic-scale studies on the effect of boundary coherency on stability in twinned Cu |
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