| Recrystallization of fatigued copper single crystals under electropulsing | |
| Xiao, SH; Guo, JD; Wu, SD; He, GH; Li, SX | |
| Corresponding Author | Xiao, SH() |
| 2002-02-01 | |
| Source Publication | ACTA METALLURGICA SINICA
 |
| ISSN | 0412-1961 |
| Volume | 38Issue:2Pages:161-165 |
| Abstract | Fatigued copper single crystal with [123] loading axis was treated by high current density electropulsing. and formed two kinds of recrystallized grains with polygonal shape and 7.2-8.8 mum in size, and with ellipsoidal shape and 5.3-8.0 mum in size. The annihilation of dislocations caused by high current electropulsing increases the dislocation density gradient over which local inhomogeneous dislocation structures promotes the formation of recrystallized nuclei. Due to the homogeneous distribution of the vein structures, the recrystallized grains around this region do not process a specific directionality. On the other hand, the recrystallized grains formed around persistent slip bands show bigger grain sizes along the direction parallel to Burgers vector presumably due to the dislocations motion being easier along this direction. The higher temperature rise in persistent slip bands caused by electropulsing than in vein structure increases the possibility of dislocations motion, and leads to the existence of sonic distances between recrystallized grains. Because of the very short treating time under high current elect repulsing, the grains have no enough time to grow, and so the recrystallized grains are of finer sizes. |
| Keyword | copper single crystal fatigue recrystallization electropulsing |
| Indexed By | SCI |
| Language | 英语 |
| WOS Research Area | Metallurgy & Metallurgical Engineering |
| WOS Subject | Metallurgy & Metallurgical Engineering |
| WOS ID | WOS:000174398200012 |
| Publisher | SCIENCE CHINA PRESS |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.imr.ac.cn/handle/321006/115431 |
| Collection | 中国科学院金属研究所 |
| Corresponding Author | Xiao, SH |
| Affiliation | 1.Chinese Acad Sci, Met Res Inst, Shenyang 110016, Peoples R China 2.Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, Shenyang 110016, Peoples R China |
| Recommended Citation GB/T 7714 | Xiao, SH,Guo, JD,Wu, SD,et al. Recrystallization of fatigued copper single crystals under electropulsing[J]. ACTA METALLURGICA SINICA,2002,38(2):161-165. |
| APA | Xiao, SH,Guo, JD,Wu, SD,He, GH,&Li, SX.(2002).Recrystallization of fatigued copper single crystals under electropulsing.ACTA METALLURGICA SINICA,38(2),161-165. |
| MLA | Xiao, SH,et al."Recrystallization of fatigued copper single crystals under electropulsing".ACTA METALLURGICA SINICA 38.2(2002):161-165. |
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