An Experimental Study on Dynamic Constitutive Relationship of 7075-T651 Aluminum Alloy

Yong Gang Kang; Yuan Yang; Jie Huang; Jing Hang Zhu

doi:10.4028/www.scientific.net/AMR.816-817.84

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 816-817An Experimental Study on Dynamic Constitutive...

An Experimental Study on Dynamic Constitutive Relationship of 7075-T651 Aluminum Alloy

Abstract:

7075-T651 aluminum alloy are widely used in aeronautical applications such as wing panels, but there is no corresponding constitutive model for it now. In this paper, the flow behavior of 7050-T651 aluminum alloy was investigated by Split Hopkinson Pressure Bar (SHPB) and quasi-static compression experiment system. The strain hardening parameters were obtained by quasi-static compression experiment data, and the strain rate hardening parameters at various strain rates (1000-3000s^-1) and room temperature, and the thermal softening parameter at various temperatures (20-300°C) where strain rate is 3000s^-1 were obtained by SHPB experiment data. Then the constitutive equation of 7075-T651 aluminum alloy is obtained based on Johnson-Cook constitutive equation model.

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Periodical:

Advanced Materials Research (Volumes 816-817)

Pages:

84-89

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.816-817.84

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Online since:

September 2013

Authors:

Yong Gang Kang, Yuan Yang, Jie Huang, Jing Hang Zhu

Keywords:

7075-T651 Aluminum Alloy, Constitutive Relationship, Johnson-Cook Model, SHPB

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