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논문 기본 정보

자료유형
학술저널
저자정보
Dina H.A. Besisa (Central Metallurgical R&D Institute) Mahmoud A. A. Hagras (Central Metallurgical R&D Institute) Emad M.M. Ewais (Central Metallurgical R&D Institute) Yasser M. Z. Ahmed (Central Metallurgical R&D Institute) Zaki I. Zaki (Central Metallurgical R&D Institute) Adel Ahmed (Faculty of Science-Helwan University)
저널정보
한양대학교 세라믹공정연구센터 Journal of Ceramic Processing Research Journal of Ceramic Processing Research 제17권 제12호
발행연도
2016.12
수록면
1,219 - 1,225 (7page)

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Nano-crystalline hexagonal-boron nitride (h-BN) have promised a broad range of interesting applications due to its uniquecharacteristics. In this work, nano-structured h-BN has synthesized by a low temperature-one step reaction of completelydissolved solution of commercial and low cost boric acid and urea fertilizer. Effect of different concentrations of urea, reactionatmosphere (air-N2) and firing temperature (600, 800 oC) on the production of h-BN and type of yield were investigated. Theformation of hexagonal boron nitride was proved from the binding energy for boron and nitrogen obtained from the X- rayphotoelectron spectrum (XPS). The structural phase of the product was confirmed by X-ray diffraction (XRD), Fourier transforminfrared (FT-IR) and differential thermal analysis (DTA). Transmission electron microscopy (HRTEM) has revealed the nanostructure nature of the synthesized boron nitride. The results indicated that, nano-crystalline h-BN with a crystallite size of ? 4.5nm has formed at low temperature of 800 oC. Moreover, a good thermal stability and oxidation resistance of h-BN can besynthesized with low cost and at low temperature in the nanoscale and has high potential to be used in advanced applications.

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