Preparation of NiAl–TiC nanocomposite by mechanical alloying
作者： M. Zakeri , M. R. Rahimipour , A. Khanmohammadian
DOI: 10.1007/S10853-008-2996-0
关键词: Materials science 、 Nanocomposite 、 Titanium carbide 、 Indentation hardness 、 Grain size 、 Metallurgy 、 Nial 、 Powder metallurgy 、 Chemical engineering 、 Annealing (metallurgy) 、 Scanning electron microscope
摘要: NiAl–TiC nanocomposite was successfully synthesized via a ball-milled mixture of Ni, Al, Ti, and graphite powders. The structural morphological evolutions the powders were studied by X-ray diffraction (XRD) scanning electron microscopy (SEM), respectively. Results show that composite obtained after 6 h milling. mean grain sizes 10 nm attained for NiAl TiC at end milling, An annealing 3 milled sample 600 °C led to formation Ni (Al, C) solid solution. formed in 12 is stable during an °C. size powder increased Maximum micro hardness value 870 kg/mm2 (8.7 GPa) acquired from powder. SEM images particle measurement showed very fine spheroid particles (1 μm) procured
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