Deformation characteristics evaluation of modified equal channel angular pressing processes

Seung Chae Yoon; Anumalasetty Venkata Nagasekhar; Ji Hoon Yoo; Mohamed Ibrahim Abd El Aal; Majid Vaseghi; Hyoung Seop Kim

doi:10.2320/matertrans.MB200906

Deformation characteristics evaluation of modified equal channel angular pressing processes

Seung Chae Yoon, Anumalasetty Venkata Nagasekhar, Ji Hoon Yoo, Mohamed Ibrahim Abd El Aal, Majid Vaseghi, Hyoung Seop Kim

Research output: Contribution to journal › Article › peer-review

12 Scopus citations

Abstract

In current studies, equal channel angular pressing process (ECAP) and modified ECAP processes are simulated under ideal conditions to compare the deformation characteristics. The deformation behaviour is more complicated and the strain induced during the processes is highly non-uniform in the modified ECAP processes except in the equal channel multi-angular pressing (ECMAP) process with Route C. The strain homogeneity is more of a possibility with ECAP and ECMAP with Route C processes. The deformation stress state is widely distributed in nature in modified ECAP processes than in conventional ECAP. In addition, the load requirements are also higher in modified ECAP processes with that of the ECAP process.

Original language	English
Pages (from-to)	46-50
Number of pages	5
Journal	Materials Transactions
Volume	51
Issue number	1
DOIs	https://doi.org/10.2320/matertrans.MB200906
State	Published - Jan 2010
Externally published	Yes

Keywords

Cross-ECAP
Equal channel angular pressing (ECAP)
Equal channel multi-angular pressing (ECMAP)
Finite element analysis
Severe plastic deformation (SPD)
T-ECAP

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title = "Deformation characteristics evaluation of modified equal channel angular pressing processes",

abstract = "In current studies, equal channel angular pressing process (ECAP) and modified ECAP processes are simulated under ideal conditions to compare the deformation characteristics. The deformation behaviour is more complicated and the strain induced during the processes is highly non-uniform in the modified ECAP processes except in the equal channel multi-angular pressing (ECMAP) process with Route C. The strain homogeneity is more of a possibility with ECAP and ECMAP with Route C processes. The deformation stress state is widely distributed in nature in modified ECAP processes than in conventional ECAP. In addition, the load requirements are also higher in modified ECAP processes with that of the ECAP process.",

keywords = "Cross-ECAP, Equal channel angular pressing (ECAP), Equal channel multi-angular pressing (ECMAP), Finite element analysis, Severe plastic deformation (SPD), T-ECAP",

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AU - Yoon, Seung Chae

AU - Nagasekhar, Anumalasetty Venkata

AU - Yoo, Ji Hoon

AU - El Aal, Mohamed Ibrahim Abd

AU - Vaseghi, Majid

AU - Kim, Hyoung Seop

PY - 2010/1

Y1 - 2010/1

N2 - In current studies, equal channel angular pressing process (ECAP) and modified ECAP processes are simulated under ideal conditions to compare the deformation characteristics. The deformation behaviour is more complicated and the strain induced during the processes is highly non-uniform in the modified ECAP processes except in the equal channel multi-angular pressing (ECMAP) process with Route C. The strain homogeneity is more of a possibility with ECAP and ECMAP with Route C processes. The deformation stress state is widely distributed in nature in modified ECAP processes than in conventional ECAP. In addition, the load requirements are also higher in modified ECAP processes with that of the ECAP process.

AB - In current studies, equal channel angular pressing process (ECAP) and modified ECAP processes are simulated under ideal conditions to compare the deformation characteristics. The deformation behaviour is more complicated and the strain induced during the processes is highly non-uniform in the modified ECAP processes except in the equal channel multi-angular pressing (ECMAP) process with Route C. The strain homogeneity is more of a possibility with ECAP and ECMAP with Route C processes. The deformation stress state is widely distributed in nature in modified ECAP processes than in conventional ECAP. In addition, the load requirements are also higher in modified ECAP processes with that of the ECAP process.

KW - Cross-ECAP

KW - Equal channel angular pressing (ECAP)

KW - Equal channel multi-angular pressing (ECMAP)

KW - Finite element analysis

KW - Severe plastic deformation (SPD)

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Deformation characteristics evaluation of modified equal channel angular pressing processes

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Keywords

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