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| Content Provider | Springer Nature Link |
|---|---|
| Author | Choi, Young Chul Kim, Hyoung Seop Hong, Sun Ig |
| Copyright Year | 2009 |
| Abstract | Equal channel angular pressing (ECAP) was carried out on Cu-Fe-Cr and Cu-Fe-Cr-Ag composites at room temperature. ECAPed Cu-Fe-Cr and Cu-Fe-Cr-Ag exhibited ultrafine-grained microstructures with the shape and distribution of Fe-Cr phase were dependent on the processing routes. In route A, the initial dendrites of Fe-Cr phase were elongated along the shear direction and developed into filaments, whereas in route Bc the initial dendrites became finer by fragmentation with no pronounced change of the shape. The hardness of ECAPed Cu-Fe-Cr-Ag is greater than that of ECAPed Cu-Fe-Cr. The higher hardness in Cu-Fe-Cr-Ag is ascribed to the more effective matrix strengthening due to the dislocation storage and the precipitation hardening. The hardness of ECAPed Cu-Fe-Cr was lower than that of the drawn Cu-Fe-Cr at the same deformation strain because of the less effective refinement and elongation of the two-phase filamentary microstructure. The addition of silver was found to increase the hardness of the ECAPed composite above the strength level of heavily drawn Cu-Fe-Cr, rendering the processing method of applying alloying and ECAP to Cu-Fe-Cr composite an attractive approach to producing bulky high strength Cu base composites. |
| Starting Page | 733 |
| Ending Page | 739 |
| Page Count | 7 |
| File Format | |
| ISSN | 15989623 |
| Journal | Metals and Materials |
| Volume Number | 15 |
| Issue Number | 5 |
| e-ISSN | 20054149 |
| Language | English |
| Publisher | The Korean Institute of Metals and Materials |
| Publisher Date | 2009-10-26 |
| Publisher Place | Springer |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Cu-Fe-Cr composite ECAP drawing hardness microstructure strengthening Continuum Mechanics and Mechanics of Materials Characterization and Evaluation of Materials Engineering Thermodynamics, Heat and Mass Transfer Magnetism, Magnetic Materials Operating Procedures, Materials Treatment Metallic Materials |
| Content Type | Text |
| Resource Type | Article |
| Subject | Materials Chemistry Mechanics of Materials Metals and Alloys Condensed Matter Physics |
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