Please use this identifier to cite or link to this item:
http://hdl.handle.net/10397/106744
DC Field | Value | Language |
---|---|---|
dc.contributor | Department of Mechanical Engineering | en_US |
dc.contributor | Mainland Development Office | en_US |
dc.creator | Peng, LF | en_US |
dc.creator | Xu, ZT | en_US |
dc.creator | Fu, MW | en_US |
dc.creator | Lai, XM | en_US |
dc.date.accessioned | 2024-06-03T02:24:09Z | - |
dc.date.available | 2024-06-03T02:24:09Z | - |
dc.identifier.issn | 0020-7403 | en_US |
dc.identifier.uri | http://hdl.handle.net/10397/106744 | - |
dc.language.iso | en | en_US |
dc.publisher | Pergamon Press | en_US |
dc.rights | © 2016 Elsevier Ltd. All rights reserved. | en_US |
dc.rights | © 2016. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/. | en_US |
dc.rights | The following publication Peng, L. F., Xu, Z. T., Fu, M. W., & Lai, X. M. (2017). Forming limit of sheet metals in meso-scale plastic forming by using different failure criteria. International Journal of Mechanical Sciences, 120, 190-203 is available at https://doi.org/10.1016/j.ijmecsci.2016.11.021. | en_US |
dc.subject | Ductile fracture criterion | en_US |
dc.subject | Forming limit | en_US |
dc.subject | Meso-scale plastic deformation | en_US |
dc.subject | Sheet metal | en_US |
dc.subject | Size effect | en_US |
dc.title | Forming limit of sheet metals in meso-scale plastic forming by using different failure criteria | en_US |
dc.type | Journal/Magazine Article | en_US |
dc.identifier.spage | 190 | en_US |
dc.identifier.epage | 203 | en_US |
dc.identifier.volume | 120 | en_US |
dc.identifier.doi | 10.1016/j.ijmecsci.2016.11.021 | en_US |
dcterms.abstract | The ductile failure of sheet metals in micro/mesoscale plastic deformation is influenced by grain and geometry size effects. Based on the forming limit experiments of copper sheet metals with different grain sizes, it is found that there is a significant reduction of forming limit with the increase of grain size under different deformation paths. To describe the size effect induced decrease of forming limit, a number of the most widely-used failure criteria and theories were employed to investigate their applicability in meso-scale plastic deformation, including the Swift/Hill criteria, Marciniak-Kuczynski model, ductile fracture criteria such as Freudenthal, Cockcroft & Latham, Ayada and Oyane models, and the Gurson-Tvergaard-Needleman model coupled with the Thomason void coalescence model (GTN-Thomason model). The applicability of these criteria and the mechanism behind them were discussed for better characterization of the failure behavior at micro/mesoscale. In addition, to corroborate the developed method, meso-scale hydroforming experiments of sheet metals was conducted. The M-K model and the GTN-Thomason model are revealed to be able to accurately predict the ultimate pressure and the height at the onset of failure by comparing to the experimental results. | en_US |
dcterms.accessRights | open access | en_US |
dcterms.bibliographicCitation | International journal of mechanical sciences, Jan. 2017, v. 120, p. 190-203 | en_US |
dcterms.isPartOf | International journal of mechanical sciences | en_US |
dcterms.issued | 2017-01 | - |
dc.identifier.scopus | 2-s2.0-85002165483 | - |
dc.identifier.eissn | 1879-2162 | en_US |
dc.description.validate | 202405 bcwh | en_US |
dc.description.oa | Accepted Manuscript | en_US |
dc.identifier.FolderNumber | ME-0880 | - |
dc.description.fundingSource | RGC | en_US |
dc.description.fundingSource | Others | en_US |
dc.description.fundingText | General Research Fund of National Natural Science Foundation of China; The Hong Kong Polytechnic University | en_US |
dc.description.pubStatus | Published | en_US |
dc.identifier.OPUS | 6701748 | - |
dc.description.oaCategory | Green (AAM) | en_US |
Appears in Collections: | Journal/Magazine Article |
Files in This Item:
File | Description | Size | Format | |
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Fu_Forming_Limit_Sheet.pdf | Pre-Published version | 834.55 kB | Adobe PDF | View/Open |
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