A Flow Stress Equation of AA5005 Aluminum Alloy Based on Fields-Backofen Model

Wen Ning Chen; Si Jia Li; Krishna Singh Bhandari; Shahid Aziz; Nodirbek Kosimov; Dong Won Jung

doi:10.4028/p-95f697

Paper Titles

Preface

A Flow Stress Equation of AA5005 Aluminum Alloy Based on Fields-Backofen Model
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Material Wear Calculation of Braking Surface under High-Power Braking Conditions
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Corrosion Behavior of P110 Steel in Simulated CO₂ and Formation Water Environment
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Study the Fatigue Corrosion Behavior of Turbine Blade by Laser Cladding
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HomeMaterials Science ForumMaterials Science Forum Vol. 1078A Flow Stress Equation of AA5005 Aluminum Alloy...

A Flow Stress Equation of AA5005 Aluminum Alloy Based on Fields-Backofen Model

Abstract:

Tensile tests on AA5005 alloy were conducted on model MTS-810 tensile test machine during temperature 633-773 K and strain rate 0.0003-0.03 s^-1. The flow stress–true strain curves were obtained. In order to analyze the flow stress behavior of aluminum AA5005 alloy, the phenomenological Fields-Backofen equation based on the fitting regression analysis was developed. The flow stress values calculated by the obtained model keep coincidence with experimental values. Eventually, the statistical analysis methods (correlation coefficient (R), average absolute relative error (AARE)) were adopted to examine the credibility of the established model. Results show that the R-value is 0.99592 and the AARE is 3.3128 %, which indicates the high fitting accuracy of the Fields-Backofen equation. Consequently, the Fields-Backofen model can describe the constitutive relationship of AA5005 alloy credibly.

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Periodical:

Materials Science Forum (Volume 1078)

Pages:

3-10

DOI:

https://doi.org/10.4028/p-95f697

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Online since:

December 2022

Authors:

Wen Ning Chen*, Si Jia Li, Krishna Singh Bhandari, Shahid Aziz, Nodirbek Kosimov, Dong Won Jung

Keywords:

Aluminum Alloy, Constitutive Relationship, Fields-Backofen, Flow Stress, Tensile Test

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