Journal
ACTA MECHANICA SOLIDA SINICA
Volume 25, Issue 6, Pages 598-608Publisher
SPRINGER
DOI: 10.1016/S0894-9166(12)60055-X
Keywords
armor steel; high strain rate; high temperature; plastic behavior; constitutive model
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Plastic behavior of 603 armor steel is studied at strain rates ranging from 0.001 s(-1) to 4500 s(-1), and temperature from 288 K to 873 K. Emphasis is placed on the effects of temperature, strain rate, and plastic strain on flow stress. Based on experimental results, the JC and the KHL models are used to simulate flow stress of this material. By comparing the model prediction and the experimental results of strain rate jump tests, the KHL model is shown to have a better prediction of plastic behavior under complex loading conditions for this material, especially in the dynamic region.
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