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炸藥爆轟法制備納米石墨粉
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TG146.4

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國(guó)家“973規(guī)劃”資助(G2000026403)


Nano-Graphite Synthesized by Explosive Detonation
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    摘要:

    介紹了1種新的制備納水石墨粉的方法——炸藥爆轟法。對(duì)合成的粉末進(jìn)行X射線衍射相分析，確認(rèn)其為石墨結(jié)構(gòu)，平均晶粒徑為1．86nm～2.58nm。用透射電子顯微鏡和激光拉曼儀作進(jìn)一步的分析，結(jié)果表明炸藥爆轟法制備的粉末為納米石墨粉，顆粒呈球形或橢球形。用小角X光散射儀對(duì)納米石墨粉進(jìn)行了粒度分布測(cè)量，粒徑分布在1nm～60nm之間，屬于納米級(jí)。

    Abstract:

    In this article, preparation of nano-graphite powder in steel chamber by using pure TNT ( trinitrotoluene )explosives has been introduced. X-ray Diffraction (XRD) results indicate that the black solid powder which collected from the wall and the bottom of the chamber after detonation has graphite structure and the average size of the particles of graphite is 1.86 nm~2.58 nm. Transmission electron microscopy (TEM) and micro-Raman spectroscopy confirmed that the black powder is hexagonal-graphite structure and its shape is ball or ellipsoid. Small angle X-ray Scattering (SAXRS) results revealed that the particle size of nano-graphite is 1 nm~60 nm.

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文潮 金志浩 關(guān)錦清 李迅 周剛 林俊德.炸藥爆轟法制備納米石墨粉[J].稀有金屬材料與工程,2004,33(6):628~631.[Wen Chao, Jin Zhihao, Guan Jinqing, Li Xun, Zhou Gang, Lin Junde. Nano-Graphite Synthesized by Explosive Detonation[J]. Rare Metal Materials and Engineering,2004,33(6):628~631.]
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  • 最后修改日期:2002-12-10
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