Microstructural evolution of a recycled aluminum alloy deformed by equal channel angular pressing process
The microstructural evolution of a recycled aluminum alloy after equal channel angular pressing （ECAP） up to four passes was investigated using X-ray diffxaction （XRD） analysis and transmission electron microscopy （TEM）. Microhardness tests were performed to determine the associated changes in mecha...
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| Veröffentlicht in: | International journal of minerals, metallurgy and materials metallurgy and materials, 2012-11, Vol.19 (11), p.1016-1022 |
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| container_title | International journal of minerals, metallurgy and materials |
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| creator | Makhlouf, Thabet Rebhi, Atef Couzinié, Jean-Philippe Champion, Yannick Njah, Nabil |
| description | The microstructural evolution of a recycled aluminum alloy after equal channel angular pressing （ECAP） up to four passes was investigated using X-ray diffxaction （XRD） analysis and transmission electron microscopy （TEM）. Microhardness tests were performed to determine the associated changes in mechanical properties. An ultrafine-grained material has been obtained with a microstructure showing a mixture of highly strained crystallites. A high density of dislocations was achieved as a result of severe plastic deformation （SPD） through the die. Changes in mechanical behavior are also revealed after ECAP due to strain hardening. Thermal analysis and TEM micrographs ob- tained after annealing indicate the succession of the recovery, recrystallization, and grain growth phenomena. Moreover, the energy stored during ECAP may be related to the dislocation density introduced by SPD. We finally emphasize the role played by the precipitates in this alloy. |
| doi_str_mv | 10.1007/s12613-012-0663-6 |
| format | Article |
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Microhardness tests were performed to determine the associated changes in mechanical properties. An ultrafine-grained material has been obtained with a microstructure showing a mixture of highly strained crystallites. A high density of dislocations was achieved as a result of severe plastic deformation （SPD） through the die. Changes in mechanical behavior are also revealed after ECAP due to strain hardening. Thermal analysis and TEM micrographs ob- tained after annealing indicate the succession of the recovery, recrystallization, and grain growth phenomena. Moreover, the energy stored during ECAP may be related to the dislocation density introduced by SPD. We finally emphasize the role played by the precipitates in this alloy.</description><identifier>ISSN: 1674-4799</identifier><identifier>EISSN: 1869-103X</identifier><identifier>DOI: 10.1007/s12613-012-0663-6</identifier><language>eng</language><publisher>Springer Berlin Heidelberg: University of Science and Technology Beijing</publisher><subject>Aluminum ; Aluminum base alloys ; Ceramics ; Characterization and Evaluation of Materials ; Chemistry and Materials Science ; Composites ; Corrosion and Coatings ; Crystal dislocations ; Crystallites ; Dislocation density ; Dislocations ; ECAP ; Equal channel angular pressing ; Evolution ; Glass ; Grain growth ; Materials Science ; Mechanical properties ; Metallic Materials ; Microhardness ; Microstructure ; Natural Materials ; Photomicrographs ; Plastic deformation ; Precipitates ; Recrystallization ; Recycled ; Recycled materials ; Strain analysis ; Strain hardening ; Surfaces and Interfaces ; Thermal analysis ; Thin Films ; Transmission electron microscopy ; Tribology ; Ultrafines ; X-ray diffraction ; 再生铝合金 ; 塑性变形 ; 挤压过程 ; 等通道转角挤压 ; 组织演变 ; 超细晶材料 ; 透射电子显微镜</subject><ispartof>International journal of minerals, metallurgy and materials, 2012-11, Vol.19 (11), p.1016-1022</ispartof><rights>University of Science and Technology Beijing and Springer-Verlag Berlin Heidelberg 2012</rights><rights>University of Science and Technology Beijing and Springer-Verlag Berlin Heidelberg 2012.</rights><rights>Copyright © Wanfang Data Co. 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Microhardness tests were performed to determine the associated changes in mechanical properties. An ultrafine-grained material has been obtained with a microstructure showing a mixture of highly strained crystallites. A high density of dislocations was achieved as a result of severe plastic deformation （SPD） through the die. Changes in mechanical behavior are also revealed after ECAP due to strain hardening. Thermal analysis and TEM micrographs ob- tained after annealing indicate the succession of the recovery, recrystallization, and grain growth phenomena. Moreover, the energy stored during ECAP may be related to the dislocation density introduced by SPD. We finally emphasize the role played by the precipitates in this alloy.</description><subject>Aluminum</subject><subject>Aluminum base alloys</subject><subject>Ceramics</subject><subject>Characterization and Evaluation of Materials</subject><subject>Chemistry and Materials Science</subject><subject>Composites</subject><subject>Corrosion and Coatings</subject><subject>Crystal dislocations</subject><subject>Crystallites</subject><subject>Dislocation density</subject><subject>Dislocations</subject><subject>ECAP</subject><subject>Equal channel angular pressing</subject><subject>Evolution</subject><subject>Glass</subject><subject>Grain growth</subject><subject>Materials Science</subject><subject>Mechanical properties</subject><subject>Metallic Materials</subject><subject>Microhardness</subject><subject>Microstructure</subject><subject>Natural Materials</subject><subject>Photomicrographs</subject><subject>Plastic deformation</subject><subject>Precipitates</subject><subject>Recrystallization</subject><subject>Recycled</subject><subject>Recycled materials</subject><subject>Strain analysis</subject><subject>Strain hardening</subject><subject>Surfaces and Interfaces</subject><subject>Thermal analysis</subject><subject>Thin Films</subject><subject>Transmission electron microscopy</subject><subject>Tribology</subject><subject>Ultrafines</subject><subject>X-ray diffraction</subject><subject>再生铝合金</subject><subject>塑性变形</subject><subject>挤压过程</subject><subject>等通道转角挤压</subject><subject>组织演变</subject><subject>超细晶材料</subject><subject>透射电子显微镜</subject><issn>1674-4799</issn><issn>1869-103X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><sourceid>AFKRA</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNp9kUFrFTEUhQdRsFZ_gLuUbgoyem8SM5NlKbUKFTcK7kImL3mdZybpSya17983w5QWXLjKIXznnsO9TfMe4SMCdJ8yUoGsBaQtCMFa8aI5wl7IFoH9flm16HjLOylfN29y3gGIroPuqBm_jybFPKdi5pK0J_Yu-jKPMZDoiCbJmoPxdkO0L9MYylSFjweysS6mqf4PB2L3pRrNjQ7BeqLDtnidyG2yOY9hW0U0Vb5tXjnts333-B43v75c_rz42l7_uPp2cX7dGsZxbgcpdS-55Y6JAVAMFISFjqOh4D47xwzXrBcbN4CjTgtEaTX2yIALhE6w4-bDOvevDq6WUbtYUqiJatj92W3u7wdlad0TLnur9NlK15b7YvOspjEb670ONpaskFPZS9r3UNHTf9CnyVSiFEwyziqFK7WsNSfr1G0aJ50OCkEtkWo9laoV1HIqtVSmqydXNmxtep78P9PJY9BNDNt99T0lcdbTilP2AIBmogE</recordid><startdate>20121101</startdate><enddate>20121101</enddate><creator>Makhlouf, Thabet</creator><creator>Rebhi, Atef</creator><creator>Couzinié, Jean-Philippe</creator><creator>Champion, Yannick</creator><creator>Njah, Nabil</creator><general>University of Science and Technology Beijing</general><general>Springer Nature B.V</general><general>Applied Metallurgy Laboratory,Faculty of Sciences,University of Sfax,BP.1171Sfax,Tunisia%Institut de Chimie et des Matériaux Paris-Est(ICMPE),CNRS 2-8 rue Henri Dunant 94320 Thiais,France</general><scope>2RA</scope><scope>92L</scope><scope>CQIGP</scope><scope>W92</scope><scope>~WA</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>AEUYN</scope><scope>AFKRA</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>BHPHI</scope><scope>BKSAR</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>KB.</scope><scope>PCBAR</scope><scope>PDBOC</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>7QF</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>2B.</scope><scope>4A8</scope><scope>92I</scope><scope>93N</scope><scope>PSX</scope><scope>TCJ</scope></search><sort><creationdate>20121101</creationdate><title>Microstructural evolution of a recycled aluminum alloy deformed by equal channel angular pressing process</title><author>Makhlouf, Thabet ; 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Microhardness tests were performed to determine the associated changes in mechanical properties. An ultrafine-grained material has been obtained with a microstructure showing a mixture of highly strained crystallites. A high density of dislocations was achieved as a result of severe plastic deformation （SPD） through the die. Changes in mechanical behavior are also revealed after ECAP due to strain hardening. Thermal analysis and TEM micrographs ob- tained after annealing indicate the succession of the recovery, recrystallization, and grain growth phenomena. Moreover, the energy stored during ECAP may be related to the dislocation density introduced by SPD. We finally emphasize the role played by the precipitates in this alloy.</abstract><cop>Springer Berlin Heidelberg</cop><pub>University of Science and Technology Beijing</pub><doi>10.1007/s12613-012-0663-6</doi><tpages>7</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 1674-4799 |
| ispartof | International journal of minerals, metallurgy and materials, 2012-11, Vol.19 (11), p.1016-1022 |
| issn | 1674-4799 1869-103X |
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| subjects | Aluminum Aluminum base alloys Ceramics Characterization and Evaluation of Materials Chemistry and Materials Science Composites Corrosion and Coatings Crystal dislocations Crystallites Dislocation density Dislocations ECAP Equal channel angular pressing Evolution Glass Grain growth Materials Science Mechanical properties Metallic Materials Microhardness Microstructure Natural Materials Photomicrographs Plastic deformation Precipitates Recrystallization Recycled Recycled materials Strain analysis Strain hardening Surfaces and Interfaces Thermal analysis Thin Films Transmission electron microscopy Tribology Ultrafines X-ray diffraction 再生铝合金 塑性变形 挤压过程 等通道转角挤压 组织演变 超细晶材料 透射电子显微镜 |
| title | Microstructural evolution of a recycled aluminum alloy deformed by equal channel angular pressing process |
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