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| Titel: |
Investigation of Strain Behavior in the Modified Equal Channel Angular Pressing Die by 3D Finite Element Method |
| Auteur: |
Faramarz Djavanroodi Mahmood Ebrahimi |
| Verschenen in: |
Journal of applied sciences |
| Paginering: | Jaargang 10 (2010) nr. 20 pagina's 2411-2418 |
| Jaar: |
2010 |
| Inhoud: |
In this study, strain behavior of a modified equal channel angular pressing die was investigated using three dimensional finite element method analyses. A modified ECAP process in which there is no need for removing the sample from the die channels between consecutive passes is proposed and analyzed. Strain behavior of material during ECAP up to four passes in simple and modified ECAP die was compared. Using modified ECAP die causes approximately 40% increase in the effective strain magnitude and removes in-homogeneity of strain distribution in the cross-section of the sample. Also, the pressing force requirement in the modified ECAP die is higher than simple ECAP die. Experimental data is used for validating simulation results. |
| Uitgever: |
Asian Network for Scientific Information (provided by DOAJ) |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
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