Solidification And Deformation Of The Aluminum By Interaction Of The Organizational Evolution Of Behavior

Simulation of process of interaction of solidification and deformation of aluminum was realized on Gleeble-1500 thermal simulation machine. Evolution on microstructure under this condition was analyzed through optional microstructure and stress-strain relation. Effects of parameters such as cooling rate, deformation value and deformation rate on microstructure were analyzed.Results showed that cellular and dendritic growth formed while samples were cooled by circulating water and liquid nitrogen respectively. And microstructure of twin-roll casting of aluminum and semisolid processing formed when stress was introduced into their solidification process. Deformation rate affected the interaction process greatly. Stress needed decreased and microstructure refined and equaxed as deformation rate increased. Thus results was induced that enhanced deformation rate is critical for optimized process. Deformation mechanism of directional solidification dendrite on plain strain stress field was analyzed. It was concluded that evolution of microstructure of aluminum under interaction of solidification and deformation was the result of rearranged mass and heat of liquid-solid phase.