Effects of Inner Corner Angle on Strain Distribution of ECAPed Aluminum Alloy

Xi Liang Chen; Qing Nan  Shi

doi:10.4028/www.scientific.net/AMR.743.231

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 743Effects of Inner Corner Angle on Strain...

Effects of Inner Corner Angle on Strain Distribution of ECAPed Aluminum Alloy

Abstract:

Ultrafine-grained materials have excellent mechanical properties, which include the high strength and toughness. Equal channel angular pressing (ECAP) is one kind of severe plastic deformation method to make ultrafine-grained metals. The ECAP processes are simulated by finite element method (FEM) in this work. The effects of inner corner angle on strain distribution during the deformation process are numerically analyzed. The evolutions of effective strain on three points of different deformation are compared. The results show that the deformation becomes severe on each point when the inner corner angle is less than 90^o, which is different from the situation when the inner corner angle is equal to or greater than 90^o. The results are useful for improving the ECAP process to make the structure of metals homogenous.

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Periodical:

Advanced Materials Research (Volume 743)

Pages:

231-234

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.743.231

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Online since:

August 2013

Authors:

Xi Liang Chen, Qing Nan Shi

Keywords:

Aluminium Alloy, ECAP, Finite Element Method (FEM), Inner Corner Angle, Strain Distribution

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