The flow stress behavior of 15%SiCP/8009 aluminum matrix composite at deformation temperature of 400-550 ℃ and strain rate of 0.001-1 s-1 was studied by hot compression testing on the Gleeble-3500 thermal-mechanical simulator. The results show that the flow stress increases initially and reaches a plateau after peak stress value with the increase of strain. The peak stress increases with the increase of strain rate and deformation temperature. The flow stress behavior can be described by the hyperbolic sine constitutive equation with the deformation activation energy Q of 488.3853 kJ/mol and the stress index n of 7.19022.
Flow Stress Behavior of 15%SiCP/8009 Aluminum Matrix Composite During Hot Compression Deformation
2017
Article (Journal)
Electronic Resource
Unknown
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