Dynamic recrystallisation and precipitation behaviour of high strength and highly conducting Cu–Ag–Zr-alloys
Dynamic recrystallisation of CuAgZr alloys within a composition range of (3–7)wt% Ag and (0.05–0.3)wt% Zr is studied as a function of alloy composition, temperature and strain. Dynamic recrystallisation was investigated using hot-compression and hot-rolling experiments at temperatures between 500°C...
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| Veröffentlicht in: | Materials science & engineering. A, Structural materials : properties, microstructure and processing Structural materials : properties, microstructure and processing, 2014-03, Vol.597, p.139-147 |
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| container_title | Materials science & engineering. A, Structural materials : properties, microstructure and processing |
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| creator | Bittner, F. Yin, S. Kauffmann, A. Freudenberger, J. Klauß, H. Korpala, G. Kawalla, R. Schillinger, W. Schultz, L. |
| description | Dynamic recrystallisation of CuAgZr alloys within a composition range of (3–7)wt% Ag and (0.05–0.3)wt% Zr is studied as a function of alloy composition, temperature and strain. Dynamic recrystallisation was investigated using hot-compression and hot-rolling experiments at temperatures between 500°C and 850°C. For CuAgZr with 7wt% Ag and 0.05wt% Zr, an optimised hot-rolling temperature of 750°C was found and a mean grain size of 25μm was established at a true strain of 2.2. Similar grain size distributions were found for the extended range of alloy compositions while the active mechanism for dynamic recrystallisation changes from necklace towards a particle stimulated nucleation mechanism. This change is driven by the volume fraction of the ternary phase Cu4AgZr as these particles are identified to stimulate nucleation of dynamic recrystallisation in the samples with increased Zr content. The final tapes exhibit an outstanding combination of ultimate tensile strength of 1GPa and an electrical conductivity of 70%IACS at a true strain of 4.8 of cold work being applied. |
| doi_str_mv | 10.1016/j.msea.2013.12.051 |
| format | Article |
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Dynamic recrystallisation was investigated using hot-compression and hot-rolling experiments at temperatures between 500°C and 850°C. For CuAgZr with 7wt% Ag and 0.05wt% Zr, an optimised hot-rolling temperature of 750°C was found and a mean grain size of 25μm was established at a true strain of 2.2. Similar grain size distributions were found for the extended range of alloy compositions while the active mechanism for dynamic recrystallisation changes from necklace towards a particle stimulated nucleation mechanism. This change is driven by the volume fraction of the ternary phase Cu4AgZr as these particles are identified to stimulate nucleation of dynamic recrystallisation in the samples with increased Zr content. The final tapes exhibit an outstanding combination of ultimate tensile strength of 1GPa and an electrical conductivity of 70%IACS at a true strain of 4.8 of cold work being applied.</description><identifier>ISSN: 0921-5093</identifier><identifier>EISSN: 1873-4936</identifier><identifier>DOI: 10.1016/j.msea.2013.12.051</identifier><language>eng</language><publisher>Elsevier B.V</publisher><subject>Alloys ; COPPER SILVER ALLOYS ; Dynamic recrystallisation ; Dynamic tests ; Dynamics ; HOT ROLLING ; Necklace structure ; NUCLEATION ; Particle stimulated nucleation ; PRECIPITATION ; RECRYSTALLIZATION ; ROLLING ; STRAIN ; TENSILE STRENGTH ; Ternary phase ; True strain ; Ultimate tensile strength ; Ultra-strong conductor</subject><ispartof>Materials science & engineering. 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A, Structural materials : properties, microstructure and processing</title><description>Dynamic recrystallisation of CuAgZr alloys within a composition range of (3–7)wt% Ag and (0.05–0.3)wt% Zr is studied as a function of alloy composition, temperature and strain. Dynamic recrystallisation was investigated using hot-compression and hot-rolling experiments at temperatures between 500°C and 850°C. For CuAgZr with 7wt% Ag and 0.05wt% Zr, an optimised hot-rolling temperature of 750°C was found and a mean grain size of 25μm was established at a true strain of 2.2. Similar grain size distributions were found for the extended range of alloy compositions while the active mechanism for dynamic recrystallisation changes from necklace towards a particle stimulated nucleation mechanism. This change is driven by the volume fraction of the ternary phase Cu4AgZr as these particles are identified to stimulate nucleation of dynamic recrystallisation in the samples with increased Zr content. The final tapes exhibit an outstanding combination of ultimate tensile strength of 1GPa and an electrical conductivity of 70%IACS at a true strain of 4.8 of cold work being applied.</description><subject>Alloys</subject><subject>COPPER SILVER ALLOYS</subject><subject>Dynamic recrystallisation</subject><subject>Dynamic tests</subject><subject>Dynamics</subject><subject>HOT ROLLING</subject><subject>Necklace structure</subject><subject>NUCLEATION</subject><subject>Particle stimulated nucleation</subject><subject>PRECIPITATION</subject><subject>RECRYSTALLIZATION</subject><subject>ROLLING</subject><subject>STRAIN</subject><subject>TENSILE STRENGTH</subject><subject>Ternary phase</subject><subject>True strain</subject><subject>Ultimate tensile strength</subject><subject>Ultra-strong conductor</subject><issn>0921-5093</issn><issn>1873-4936</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><recordid>eNp9kMtKxDAYhYMoOI6-gKsu3bTm0ssU3AzjFQQ3unET0vRvm6FtapIOdOc7-IY-ial17eb_4XDOgfMhdElwRDBJr_dRZ0FEFBMWERrhhByhFdlkLIxzlh6jFc4pCROcs1N0Zu0eY0xinKzQcDv1olMyMCDNZJ1oW2WFU7oPRF8Gg5fVoNyiFNCIg9KjCXQVNKpuAusM9LVrfs2z0k6B1H05Sqf6OtiN359f29qfdxP6aj3Zc3RSidbCxd9fo7f7u9fdY_j88vC02z6HkjHmwiyLmcAiKcs0qUAIkm7StBBMiiqvYpqXMUCeZIxQucG5X1qkWEqQogQpi4yxNbpaegejP0awjnfKSmhb0YMeLSdpTGkWYxp7K12s0mhrDVR8MKoTZuIE8xkv3_MZL5_xckK5x-tDN0sI_IiDAsOtVNBLKJVn5nip1X_xH4ZdiI4</recordid><startdate>20140312</startdate><enddate>20140312</enddate><creator>Bittner, F.</creator><creator>Yin, S.</creator><creator>Kauffmann, A.</creator><creator>Freudenberger, J.</creator><creator>Klauß, H.</creator><creator>Korpala, G.</creator><creator>Kawalla, R.</creator><creator>Schillinger, W.</creator><creator>Schultz, L.</creator><general>Elsevier B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>H8G</scope><scope>JG9</scope></search><sort><creationdate>20140312</creationdate><title>Dynamic recrystallisation and precipitation behaviour of high strength and highly conducting Cu–Ag–Zr-alloys</title><author>Bittner, F. ; Yin, S. ; Kauffmann, A. ; Freudenberger, J. ; Klauß, H. ; Korpala, G. ; Kawalla, R. ; Schillinger, W. ; Schultz, L.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c333t-7743a0a5dd65feaa16866ba3caf9f429d4ee957312c809187b60ccecadeccb733</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>Alloys</topic><topic>COPPER SILVER ALLOYS</topic><topic>Dynamic recrystallisation</topic><topic>Dynamic tests</topic><topic>Dynamics</topic><topic>HOT ROLLING</topic><topic>Necklace structure</topic><topic>NUCLEATION</topic><topic>Particle stimulated nucleation</topic><topic>PRECIPITATION</topic><topic>RECRYSTALLIZATION</topic><topic>ROLLING</topic><topic>STRAIN</topic><topic>TENSILE STRENGTH</topic><topic>Ternary phase</topic><topic>True strain</topic><topic>Ultimate tensile strength</topic><topic>Ultra-strong conductor</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Bittner, F.</creatorcontrib><creatorcontrib>Yin, S.</creatorcontrib><creatorcontrib>Kauffmann, A.</creatorcontrib><creatorcontrib>Freudenberger, J.</creatorcontrib><creatorcontrib>Klauß, H.</creatorcontrib><creatorcontrib>Korpala, G.</creatorcontrib><creatorcontrib>Kawalla, R.</creatorcontrib><creatorcontrib>Schillinger, W.</creatorcontrib><creatorcontrib>Schultz, L.</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Copper Technical Reference Library</collection><collection>Materials Research Database</collection><jtitle>Materials science & engineering. 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A, Structural materials : properties, microstructure and processing</jtitle><date>2014-03-12</date><risdate>2014</risdate><volume>597</volume><spage>139</spage><epage>147</epage><pages>139-147</pages><issn>0921-5093</issn><eissn>1873-4936</eissn><abstract>Dynamic recrystallisation of CuAgZr alloys within a composition range of (3–7)wt% Ag and (0.05–0.3)wt% Zr is studied as a function of alloy composition, temperature and strain. Dynamic recrystallisation was investigated using hot-compression and hot-rolling experiments at temperatures between 500°C and 850°C. For CuAgZr with 7wt% Ag and 0.05wt% Zr, an optimised hot-rolling temperature of 750°C was found and a mean grain size of 25μm was established at a true strain of 2.2. Similar grain size distributions were found for the extended range of alloy compositions while the active mechanism for dynamic recrystallisation changes from necklace towards a particle stimulated nucleation mechanism. This change is driven by the volume fraction of the ternary phase Cu4AgZr as these particles are identified to stimulate nucleation of dynamic recrystallisation in the samples with increased Zr content. The final tapes exhibit an outstanding combination of ultimate tensile strength of 1GPa and an electrical conductivity of 70%IACS at a true strain of 4.8 of cold work being applied.</abstract><pub>Elsevier B.V</pub><doi>10.1016/j.msea.2013.12.051</doi><tpages>9</tpages></addata></record> |
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| ispartof | Materials science & engineering. A, Structural materials : properties, microstructure and processing, 2014-03, Vol.597, p.139-147 |
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| source | Elsevier ScienceDirect Journals |
| subjects | Alloys COPPER SILVER ALLOYS Dynamic recrystallisation Dynamic tests Dynamics HOT ROLLING Necklace structure NUCLEATION Particle stimulated nucleation PRECIPITATION RECRYSTALLIZATION ROLLING STRAIN TENSILE STRENGTH Ternary phase True strain Ultimate tensile strength Ultra-strong conductor |
| title | Dynamic recrystallisation and precipitation behaviour of high strength and highly conducting Cu–Ag–Zr-alloys |
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