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Iranian Journal of Materials Science and Engineering، جلد ۱۸، شماره ۲، صفحات ۰-۰
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عنوان انگلیسی Structural and Morphological Characterization of the Expanded Graphite Obtained by Ball Milling and HF Leaching
چکیده انگلیسی مقاله In this research, expanded graphite (EG) was successfully fabricated using a simple ball milling process followed by hydrofluoric (HF, 10 wt. %) leaching. The effects of ball milling time (0-15 h) and leaching time (1-24 h) on the exfoliation of graphite were examined by XRD and Raman spectra. Furthermore, the morphological evaluation of the obtained expanded graphite samples was carried out by scanning electron microscopy (SEM). The XRD results of the ball-milled and HF treated samples showed a slight peak shift and broadening of (002) plane for expanded graphite compared to the precursor and HF-treated samples. Moreover, the intensity of the (002) planes remarkably decreased by the ball milling process but remained constant after HF treatment. Raman spectra of the samples confirmed the ordering process only in HF-treated specimens. Moreover, the intensity ratio of 2D1 to 2D2 band gradually increased with enhancing the HF treatment time up to 5 hours, indicating a decrement in the number of graphite layers by leaching in the HF solution.
کلیدواژه‌های انگلیسی مقاله Graphite,Ball milling,HF leaching,Expanded Graphite,Raman Spectroscopy.
نویسندگان مقاله | Saeid Karimi
Department of Metallurgy and Materials Engineering, Hamedan University of Technology, Hamedan, 6516913733, Iran.


| Akbar Heidarpour
Department of Metallurgy and Materials Engineering, Hamedan University of Technology, Hamedan, 6516913733, Iran.


| Samad Ghasemi
Department of Metallurgy and Materials Engineering, Hamedan University of Technology, Hamedan, 6516913733, Iran.
نشانی اینترنتی http://ijmse.iust.ac.ir/browse.php?a_code=A-10-3458-1&slc_lang=en&sid=1
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زبان مقاله منتشر شده en
موضوعات مقاله منتشر شده گروه سرامیک
نوع مقاله منتشر شده Research Paper
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