The Flow Stress Characteristic and Constitutive Equation of 6016 Aluminum Alloy in Warm Forming

Ji Xiang Zhang; Hui Wen; Wei Feng; Guo Yin An; Jin Xi Liu

doi:10.4028/www.scientific.net/AMR.228-229.1112

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 228-229The Flow Stress Characteristic and Constitutive...

The Flow Stress Characteristic and Constitutive Equation of 6016 Aluminum Alloy in Warm Forming

Abstract:

In order to realize numerical simulation of warm forming and reasonably establish the warm formation process parameters for 6016 aluminum alloy, we study the forging process of 6016 aluminum alloy with warm compression experiments on the Gleele-1500 thermal simulation testing machine, and research the deformation flow stress behavior of the aluminum alloy sheet at different temperatures , strain rate under the warm forming. The results show that the deformation temperature and strain rate have significant influence on flow stress of 6016 aluminum alloy sheet, that is, the alloy is a temperature and strain rate sensitive materials, and the flow stress increases with the increase of strain rate and decreases with the increase of deformation temperature. The deformation constitutive equation of 6016 aluminum alloy is got by multiple linear regression analysis. The constitutive equation is consistent with the experimental curves rather well, which confirms the accuracy of the constitutive equation.

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Periodical:

Advanced Materials Research (Volumes 228-229)

Pages:

1112-1117

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.228-229.1112

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April 2011

Authors:

Ji Xiang Zhang, Hui Wen, Wei Feng, Guo Yin An, Jin Xi Liu

Keywords:

6016 Aluminum Alloy, Constitutive Model, Flow Stress, Warm Forming

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