The mixture model of Al_(85)Y_4Nd_4Ni_7 alloy in which a partiallycrystallized amorphous alloy is regarded as a nanocornposite of an Al nanoparticle and a remainingamorphous matrix is presented. Its evolution in the p...The mixture model of Al_(85)Y_4Nd_4Ni_7 alloy in which a partiallycrystallized amorphous alloy is regarded as a nanocornposite of an Al nanoparticle and a remainingamorphous matrix is presented. Its evolution in the process of crystallization has been investigatedby differential scanning calorimetry (DSC), X-ray diffraction (XRD), and transmission electronmicroscopy (TEM). Mainly amorphous structure with alpha-Al nanocrystals embedded in the amorphousmatrix has been revealed by melt spining the alloy. Crystallization is showed to occur in threestages: (1) crystallization of amorphous alloy and formation of AINiY, AINdNi and unknowncrystalline phases, (2) formation of Al_3 Y and Al_3Nd, and (3) formation of Al_3Ni.展开更多
文摘The mixture model of Al_(85)Y_4Nd_4Ni_7 alloy in which a partiallycrystallized amorphous alloy is regarded as a nanocornposite of an Al nanoparticle and a remainingamorphous matrix is presented. Its evolution in the process of crystallization has been investigatedby differential scanning calorimetry (DSC), X-ray diffraction (XRD), and transmission electronmicroscopy (TEM). Mainly amorphous structure with alpha-Al nanocrystals embedded in the amorphousmatrix has been revealed by melt spining the alloy. Crystallization is showed to occur in threestages: (1) crystallization of amorphous alloy and formation of AINiY, AINdNi and unknowncrystalline phases, (2) formation of Al_3 Y and Al_3Nd, and (3) formation of Al_3Ni.
