Finite Element Study on the Development of Damage and Flow Characteristics in Al7075 Alloy during Ex-ECAP - Modeling and Numerical Simulation of Material Science

MNSMS > Vol.3 No.1, January 2013

Modeling and Numerical Simulation of Material Science

Volume 3, Issue 1 (January 2013)

ISSN Print: 2164-5345 ISSN Online: 2164-5353

Google-based Impact Factor: 0.7 Citations

Finite Element Study on the Development of Damage and Flow Characteristics in Al7075 Alloy during Ex-ECAP ()

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Download as PDF (Size: 2351KB) PP. 27-32

DOI: 10.4236/mnsms.2013.31004 7,258 Downloads 12,422 Views Citations

Author(s)

Mehdi Shaban Ghazani, Beitallah Eghbali

Affiliation(s)

Department of Materials Engineering, Sahand University of Technology, Tabriz, Iran.

ABSTRACT

In the present study, 3D-finite element method was conducted to investigate the deformation characteristics of Al7075 alloy during integrated extrusion-equal channel angular pressing. Effective strain, strain rate, mean stress, and damage distributions were evaluated. Severe cracking was observed at Al7075 sample after extrusion-equal channel angular pressing. Finite element results show that cracking is due to the positive mean stress and damage accumulation at the top surface of sample.

KEYWORDS

Finite Element Method; Extrusion; Equal Channel Angular Pressing; Al7075

Share and Cite:

M. Ghazani and B. Eghbali, "Finite Element Study on the Development of Damage and Flow Characteristics in Al7075 Alloy during Ex-ECAP," Modeling and Numerical Simulation of Material Science, Vol. 3 No. 1, 2013, pp. 27-32. doi: 10.4236/mnsms.2013.31004.

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