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Electric Field Assisted Sintering and Related Phenomena Far From Equilibrium

Consolidation

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Consolidation Behavior Of Bulk Amorphous Glasses And Foils: The Effect Of Current On Devitrification Kinetics, Olivia Graeve, James Kelly, Boyao Zhang Mar 2016

Consolidation Behavior Of Bulk Amorphous Glasses And Foils: The Effect Of Current On Devitrification Kinetics, Olivia Graeve, James Kelly, Boyao Zhang

Electric Field Assisted Sintering and Related Phenomena Far From Equilibrium

We present the application of dynamic loading and rapid heating as controlling parameters for the spark plasma sintering of an ultra-high hardness and highly corrosion resistant Fe-based amorphous alloy (Fe49.7Cr17.7Mn1.9W1.6B15.2C3.8Si2.4), such that sintering temperature and time can be used as independent variables for devitrification. We develop two types of in situ composites using the dynamic loading strategy and characterize the density, phase development, and microstructure. We also develop and characterize ex situ composites by adding various crystalline powders to the amorphous metal powders and explore possible …