Parameters Identification of Johnson-Cook Constitutive Equation for Aluminum Brass

Chang Chun Di; Kai Bo Cui; Jun Qi Qin; Da Lin Wu

doi:10.4028/www.scientific.net/AMR.887-888.1032

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 887-888Parameters Identification of Johnson-Cook...

Parameters Identification of Johnson-Cook Constitutive Equation for Aluminum Brass

Abstract:

Aluminum brass HAL66-6-3-2 is abrasion-resistant alloy with high strength, hardness and wear resistance, corrosion resistance is also well, commonly used in the field of marine and ordnance industry. The quasi static and dynamic mechanical properties were tested through the use of electronic universal testing machine and Split Hopkinson Tension Bar (SHTB). Meanwhile, the material stress-strain curve at different temperatures and different strain rates is also obtained. Based on Johnson-Cook constitutive model, using the method of least squares fitting the experimental data to determine the model parameters, fitting and experimental results agree well.

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Periodical:

Advanced Materials Research (Volumes 887-888)

Pages:

1032-1035

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.887-888.1032

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Online since:

February 2014

Authors:

Chang Chun Di*, Kai Bo Cui, Jun Qi Qin, Da Lin Wu

Keywords:

Aluminum Brass, Dynamic Mechanical Properties, Johnson-Cook Constitutive Model, Parameters Identification, Split Hopkinson Tensile Bar

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References

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