The identification of improved Johnson-Cook constitutive model in a wide range of temperature and its application in predicting FLCs of Al–Mg–Li sheet

For the Al–Mg–Li alloy sheet, a series of uniaxial tensile tests are firstly carried out under different temperatures (25–450 °C) and strain rates (0.00025–0.01 s−1). Then, to describe the flow behavior of the sheet, the improved Johnson-Cook constitutive model (hereinafter abbreviated as ‘improved...

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Bibliographic Details
Main Authors: Yubao Wang, Cunsheng Zhang, Ying Yang, Yinghao Wang, Guoqun Zhao, Liang Chen
Format: Article
Language:English
Published: Elsevier 2020-05-01
Series:Journal of Materials Research and Technology
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S2238785420301101