Morphological characteristic of the conventional and melt-spun Al-10Ni-5.6Cu (in wt.%) alloy
作者： Ercan Karaköse , Mustafa Keskin
DOI: 10.1016/J.MATCHAR.2009.09.008
关键词: Energy-dispersive X-ray spectroscopy 、 Materials science 、 Optical microscope 、 Differential scanning calorimetry 、 Intermetallic 、 Scanning electron microscope 、 Microstructure 、 Analytical chemistry 、 Crystallography 、 Ingot 、 Alloy
摘要: The Al-10Ni-5.6Cu alloy was prepared by conventional casting and further processed melt-spinning technique. resulting cast melt-spun ribbons were characterized using X-ray diffraction, optical microscopy, scanning electron microscopy together with energy dispersive spectroscopy, differential calorimetry microhardness techniques. diffraction analysis indicated that ingot samples {alpha}-Al, intermetallic Al{sub 3}Ni 2}Cu phases. results show the microstructures of rapidly solidified are clearly different from their alloy. reveal a very fine cellular structure particles. Moreover, at high solidification rates have polygonal dispersed in supersaturated aluminum matrix. measurements revealed exothermic reaction between 290 deg. C 440 which more pronounced ternary
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