MICROSTRUCTURE STUDY ON AL-۵%SiC NANOCOMPOSITE POWDERS
محل انتشار: مجله علم مواد و مهندسی ایران، دوره: 8، شماره: 1
سال انتشار: 1389
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 74
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شناسه ملی سند علمی:
JR_IJMSEI-8-1_005
تاریخ نمایه سازی: 26 مرداد 1402
چکیده مقاله:
Abstract: In this study Al-۵ (Vol) % SiCp nanocomposite powder has been successfully synthesized by high-energy planetary milling of Al and SiC powders for a period of ۲۵ h at a ball-to-powder ratio of ۱۵:۱. The changes of the lattice strain, the crystallite size of the matrix phase, and the nanocomposite powder microstructure with time have been investigated by X-ray diffraction (XRD), X-ray mapping, and scanning electron microscopy (SEM) analyses. The morphologies of the nanocomposite powders obtained after ۲۵ h of milling have also been studied by transmission electron microscopy (TEM). The results showed that nanocomposite powders were composed of near-spherical particles and, moreover, the SiC particles were uniformly distributed in the aluminum matrix.
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