Journal
JOURNAL OF ALLOYS AND COMPOUNDS
Volume 497, Issue 1-2, Pages L1-L4Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2010.02.184
Keywords
Metal matrix composites; Microstructure; Mechanical property; Nanoparticulate
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The SiC nanoparticulate reinforced Al-3 0 wt.% Mg composites with 6 vol %. 10 vol % and 14 vol % were successfully fabricated by combining pressureless infiltration with ball-milling and cold-pressing technology at 700 C for 2 h. Microstructures and nanoparticulate distribution were analyzed with scanning electron microscope (SEM). X-ray diffraction (XRD) and transmission electron microscope (TEM). Mechanical property and hardness were studied at room temperature The results show that the SiC nanoparticulates were distributed uniformly in metal matrix. The fabricated composites exceeded 98% in theoretical density MgO at the interface can enhance the wettability and provide a barrier for the diffusion of Si. C and Al Compared to the mechanical property and hardness of Al alloy matrix, those of nanocomposites were increased significantly, while the ductility was retained (C) 2010 Elsevier B.V All rights reserved
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