Abstract
Hot deformation behavior of cast 5052 aluminum alloy was investigated at the temperature between 300°C and 500°C and the strain rate range from 0.01 s-1 to 10 s-1 by hot compression tests. The constitutive model was established through the flow stress–strain curves, the activation energy was 207 kJ/mol, and the correlation coefficient for linear regression of constitutive model was 0.98. The processing map was established to optimize the deformation parameters, such as the optimize deformation parameters with 0.6 strain was at 420℃-480℃ and 0.01 s-1-0.223 s-1.
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