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Determining the Anisotropy Coefficients of an Ultra Fine Grained Al6082 Alloy Subjected to ECAP

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Abstract:

Bulk Al6082 alloy is subjected to ECAP using route Bc. This paper focuses on the determination of the anisotropy coefficients and equivalent stress-equivalent strain curve using continuum mechanics equations. Assuming the material to be rigid-plastic, the parameters of the constitutive equation are determined with the aid of measuring the deformation and the uniaxial yield stress during upsetting tests in three perpendicular directions.

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Periodical:

Materials Science Forum (Volumes 537-538)

Pages:

215-222

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.537-538.215

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Online since:

February 2007

Authors:

György Krallics, Arpad Fodor

Keywords:

AA6082 Aluminium Alloy, Anisotropic Yield Criteria, Anisotropy Coefficients, Equal-Channel Angular Pressing (ECAP), Equivalent Stress-Equivalent Strain Curve, Upsetting Test

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© 2007 Trans Tech Publications Ltd. All Rights Reserved

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References

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