Influence of crystal orientation on the processing of copper single crystals by ECAP
Single crystals of high-purity copper, having two different orientations, were pressed through one pass in equal-channel angular pressing (ECAP) at room temperature and then examined using several different analytical techniques. For both orientations, it is shown that elongated arrays of cells or s...
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| Veröffentlicht in: | Journal of materials science 2007-03, Vol.42 (5), p.1501-1511 |
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| container_title | Journal of materials science |
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| creator | Fukuda, Yukihide Oh-ishi, Keiichiro Furukawa, Minoru Horita, Zenji Langdon, Terence G |
| description | Single crystals of high-purity copper, having two different orientations, were pressed through one pass in equal-channel angular pressing (ECAP) at room temperature and then examined using several different analytical techniques. For both orientations, it is shown that elongated arrays of cells or subgrains are formed in the first pass with their long axes aligned parallel to the primary \[{(\bar{1}\bar {1}\bar {1})[\bar {1}10]}\] slip system. The average width of these subgrains was measured as ∼0.2 μm which is similar to the equilibrium grain size reported in polycrystalline Cu after processing by ECAP. These results confirm earlier observations using an aluminum single crystal except only that the subgrain width in copper is significantly smaller. This difference is attributed to the lower stacking-fault energy in copper and the consequent low rate of recovery. |
| doi_str_mv | 10.1007/s10853-006-0753-9 |
| format | Article |
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For both orientations, it is shown that elongated arrays of cells or subgrains are formed in the first pass with their long axes aligned parallel to the primary \[{(\bar{1}\bar {1}\bar {1})[\bar {1}10]}\] slip system. The average width of these subgrains was measured as ∼0.2 μm which is similar to the equilibrium grain size reported in polycrystalline Cu after processing by ECAP. These results confirm earlier observations using an aluminum single crystal except only that the subgrain width in copper is significantly smaller. This difference is attributed to the lower stacking-fault energy in copper and the consequent low rate of recovery.</description><identifier>ISSN: 0022-2461</identifier><identifier>EISSN: 1573-4803</identifier><identifier>DOI: 10.1007/s10853-006-0753-9</identifier><language>eng</language><publisher>New York: Springer Nature B.V</publisher><subject>Aluminum ; Arrays ; Copper ; COPPER (PURE) ; CRYSTAL ORIENTATION ; Crystal structure ; Elongation ; Equal channel angular pressing ; Grain size ; GRAIN SIZE AND SHAPE ; Materials science ; MATHEMATICAL ANALYSIS ; Orientation ; SINGLE CRYSTALS ; Stacking fault energy</subject><ispartof>Journal of materials science, 2007-03, Vol.42 (5), p.1501-1511</ispartof><rights>Journal of Materials Science is a copyright of Springer, (2006). 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For both orientations, it is shown that elongated arrays of cells or subgrains are formed in the first pass with their long axes aligned parallel to the primary \[{(\bar{1}\bar {1}\bar {1})[\bar {1}10]}\] slip system. The average width of these subgrains was measured as ∼0.2 μm which is similar to the equilibrium grain size reported in polycrystalline Cu after processing by ECAP. These results confirm earlier observations using an aluminum single crystal except only that the subgrain width in copper is significantly smaller. This difference is attributed to the lower stacking-fault energy in copper and the consequent low rate of recovery.</description><subject>Aluminum</subject><subject>Arrays</subject><subject>Copper</subject><subject>COPPER (PURE)</subject><subject>CRYSTAL ORIENTATION</subject><subject>Crystal structure</subject><subject>Elongation</subject><subject>Equal channel angular pressing</subject><subject>Grain size</subject><subject>GRAIN SIZE AND SHAPE</subject><subject>Materials science</subject><subject>MATHEMATICAL ANALYSIS</subject><subject>Orientation</subject><subject>SINGLE CRYSTALS</subject><subject>Stacking fault energy</subject><issn>0022-2461</issn><issn>1573-4803</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2007</creationdate><recordtype>article</recordtype><sourceid>AFKRA</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNp9kU1LAzEQhoMoWKs_wFtAEC-rk4_dJMdSqhYKeqjnkGYT3bLdrMnuof_e1OrFgzAw88Izw8y8CF0TuCcA4iERkCUrAKoCRC7UCZqQUrCCS2CnaAJAaUF5Rc7RRUpbACgFJRO0Xna-HV1nHQ4e27hPg2lxiI3rBjM0ocM5hg-H-xisS6np3r_B0Pcu4oNs3W9bwps9Xsxnr5fozGfprn7yFL09Ltbz52L18rScz1aF5cCGwhBlaiI8qRwvrSs9SM5dzexGeeIJs8ZKyqkhkluqnPUSKirq2m-MEspbNkW3x7l5uc_RpUHvmmRd25rOhTFpqgBI7sng3b9gfh4lijIpMnrzB92GMXb5DE1pqSpOlJCZIkfKxpBSdF73sdmZuM-j9MEQfTREZ0P0wRCt2BfQ9n3b</recordid><startdate>20070301</startdate><enddate>20070301</enddate><creator>Fukuda, Yukihide</creator><creator>Oh-ishi, Keiichiro</creator><creator>Furukawa, Minoru</creator><creator>Horita, Zenji</creator><creator>Langdon, Terence G</creator><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>AFKRA</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>KB.</scope><scope>L6V</scope><scope>M7S</scope><scope>PDBOC</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>PTHSS</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>H8G</scope><scope>JG9</scope><scope>7QF</scope></search><sort><creationdate>20070301</creationdate><title>Influence of crystal orientation on the processing of copper single crystals by ECAP</title><author>Fukuda, Yukihide ; 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For both orientations, it is shown that elongated arrays of cells or subgrains are formed in the first pass with their long axes aligned parallel to the primary \[{(\bar{1}\bar {1}\bar {1})[\bar {1}10]}\] slip system. The average width of these subgrains was measured as ∼0.2 μm which is similar to the equilibrium grain size reported in polycrystalline Cu after processing by ECAP. These results confirm earlier observations using an aluminum single crystal except only that the subgrain width in copper is significantly smaller. This difference is attributed to the lower stacking-fault energy in copper and the consequent low rate of recovery.</abstract><cop>New York</cop><pub>Springer Nature B.V</pub><doi>10.1007/s10853-006-0753-9</doi><tpages>11</tpages></addata></record> |
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| ispartof | Journal of materials science, 2007-03, Vol.42 (5), p.1501-1511 |
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| subjects | Aluminum Arrays Copper COPPER (PURE) CRYSTAL ORIENTATION Crystal structure Elongation Equal channel angular pressing Grain size GRAIN SIZE AND SHAPE Materials science MATHEMATICAL ANALYSIS Orientation SINGLE CRYSTALS Stacking fault energy |
| title | Influence of crystal orientation on the processing of copper single crystals by ECAP |
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