Plastic Deformation Characteristics of A356 Alloy with the Variation of Cast Microstructure

Yong Nam Kwon; Sang Suk Kim; Young Seon Lee; Je Hyun Lee

doi:10.4028/www.scientific.net/SSP.116-117.197

Paper Titles

Heat Treatments Effect on A357 Components Produced by SSM
p.181

Coarsening Kinetics and Coarsened Si Size Distribution of Spray-Formed High Loading Hypereutectic Al-Si Alloys in the Semisolid State
p.185

Investigation of Flow Behaviour and Microstructure on X210CrW12 Steel in Semi-Solid State
p.189

In Situ Observation of SSM Microstructure Formation during Cooling Slope Casting of an NH₄Cl-H₂O Alloy with Vibrating the Slope
p.193

Plastic Deformation Characteristics of A356 Alloy with the Variation of Cast Microstructure
p.197

Effect of Slope Plate Variables and Reheating on the Semi-Solid Structure of Al Alloys
p.201

Kinetics of Coarsening and Solid Sphericity during Reheating of Ductile Iron and Al Alloys
p.205

Influence of Experimental Parameters on Properties and Microstructure of the Steel X210CrW12 in the Semi-Solid State
p.209

The Effect of Frequency of Electromagnetic Vibration on the Micro Structure in Hypoeutectic Al-Si Alloy
p.213

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Plastic Deformation Characteristics of A356 Alloy with the Variation of Cast Microstructure

Abstract:

The effect of microstructural features of A356 alloys on plastic deformation behavior was studied in the present study. To authors' knowledge, the microstructural effect on mechanical properties of A356 alloy has not been well understood even though this alloy system is one of the most widely used alloys for the industrial purpose. Specially, quantitative relationship between properties like ductility and fracture toughness with microstructural features is lacking. In the present study, four different processing methods were used to investigate how the size and distribution of primary alpha and eutectic phases influence the plastic deformation characteristics. The prcessing routes for A356 control arm include low pressure casting, squeeze casting, rheo-casting and cast-forging processes. Special focus was given to understand which microstructural features do the beneficial or detrimental effect and how they work.