Full metadata record
DC Field | Value | Language |
---|---|---|
dc.contributor.author | 신동혁 | - |
dc.date.accessioned | 2021-02-17T01:30:39Z | - |
dc.date.available | 2021-02-17T01:30:39Z | - |
dc.date.issued | 2001-04 | - |
dc.identifier.citation | Acta Materialia, v. 49, issue. 7, page. 1285-1292 | en_US |
dc.identifier.issn | 1359-6454 | - |
dc.identifier.issn | 1873-2453 | - |
dc.identifier.uri | https://www.sciencedirect.com/science/article/pii/S1359645401000106 | - |
dc.identifier.uri | https://repository.hanyang.ac.kr/handle/20.500.11754/158511 | - |
dc.description.abstract | The grain refinement mechanism during equal-channel angular pressing of a plain low-carbon steel was explored by a careful analysis of the slip systems operating at each pass of repetitive pressing. The steel was subjected to one to eight passes of pressing, in which a single passage yielded an effective strain of ∼1, at 623 K. At the initial stage of pressing, submicrometer-order ferrite grains enclosed by serrated and low-angled boundaries were formed. Transmission electron microscopy examination revealed that these boundaries resulted from interaction between the slip systems that are typical in body-centered cubic structures. Further pressings mainly resulted in rotation of ultrafine subgrains rather than grain refinement, providing the formation of high-angle grain boundaries. Since the serrated boundaries restrict dislocation movement, the rotation of subgrains with the serrated boundaries is more favorable for accommodating further deformation than intragranular strain, and therefore boundaries become high-angled. | en_US |
dc.description.sponsorship | This work was performed with support from Korea Ministry of Science and Technology through “2000 National Research Laboratory Program”. | en_US |
dc.language.iso | en_US | en_US |
dc.publisher | PERGAMON-ELSEVIER SCIENCE LTD | en_US |
dc.subject | Steels | en_US |
dc.subject | Transmission electron microscopy (TEM) | en_US |
dc.subject | Equal-channel angular pressing | en_US |
dc.title | Grain Refinement Mechanism during Equal Channel Angular Pressing of a Low Carbon Steel | en_US |
dc.type | Article | en_US |
dc.identifier.doi | 10.1016/S1359-6454(01)00010-6 | - |
dc.relation.journal | ACTA MATERIALIA | - |
dc.contributor.googleauthor | Shin, Dong Hyuk | - |
dc.contributor.googleauthor | Kim, Inyoung | - |
dc.contributor.googleauthor | Kim, Jongryoul | - |
dc.contributor.googleauthor | Park, Kyung-Tae | - |
dc.relation.code | 2009200092 | - |
dc.sector.campus | E | - |
dc.sector.daehak | COLLEGE OF ENGINEERING SCIENCES[E] | - |
dc.sector.department | DEPARTMENT OF MATERIALS SCIENCE AND CHEMICAL ENGINEERING | - |
dc.identifier.pid | dhshin | - |
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