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作者：Xiaoxian Wu,Hongxia Li,Guoqi Liu,等

作者單位：University of Science and Technology Beijing,Sinosteel Luoyang Institute

會議錄名稱：中國材料大會2012

出版年：2012-07-13

起頁：138-141

止頁：

總頁數：4

館藏號：

分類號：TQ175.1

語種：中文

會議名稱：中國材料大會2012

會議地點：山西太原

會議時間：2012-07-13

會議主辦者：中國材料研究學會

關鍵詞：Expanded graphite;Vibratory milling;Sheet nanocarbon;Low carbon Al2O3-C refractories

內容簡介

Sheet nanocarbon-Al2O3 composite powders were produced by vibratory milling using expanded graphite and Al2O3 powders as raw materials. The effect of different vibratory milling time on phase compositions and microstructure of the composite powders were investigated by X-ray diffraction （XRD）, field emission scanning electron microscope （FESEM）. Then sheet nanocarbon-Al2O3 composite powders were used as additives to produce low carbon Al2O3 -C refractories which had a carbon content of 6%. The results showed that about 50nm thickness sheet nanocarbon and Al2O3 composite powders were produced via 15h milling with expanded graphite to Al2O3 powders weight ratio of 1:2. With the increasing of milling time, the （002） diffraction peaks of graphite wear off gradually and nano-sheet was desquamated from expanded graphite;