The Parameters Optimization of Rheology Stress Model for Aluminum Based on GA

Xiao Bo Liu; Wen Kang Yan

doi:10.4028/www.scientific.net/AMR.314-316.1300

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 314-316The Parameters Optimization of Rheology Stress...

The Parameters Optimization of Rheology Stress Model for Aluminum Based on GA

Abstract:

Based on Hyperbolic sine relationship proposed by Sellar and Tegart rheology stress model for high-purity high-temperature plastic deformation of polycrystalline aluminum was constructed by Zenner-Hollomon parameters. Parameters influencing rheology stress of aluminum were optimized，through the initial population identification、selection、crossover、mutation、evaluation and screening, concluding the connection between rheology stress、deformation rate and deformation temperature by GA(genetic algorithm). The results show that GA is feasible, through model validation by experimental data and comparing calculated and experimental results under different deformation rates.

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Advanced Manufacturing Technology, ADME 2011

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Periodical:

Advanced Materials Research (Volumes 314-316)

Pages:

1300-1305

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.314-316.1300

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Online since:

August 2011

Authors:

Xiao Bo Liu, Wen Kang Yan

Keywords:

Genetic Algorithm (GA), Optimization, Rheology Stress Model, Zenner-Hollomon Parameter

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