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Spheroidization of silica powders by radio frequency inductively coupled plasma with Ar-H-2 and Ar-N-2 as the sheath gases at atmospheric pressure
Li, Lin; Ni, Guo-hua; Guo, Qi-jia; Lin, Qi-fu; Zhao, Peng; Cheng, Jun-li
2017-09-01
发表期刊INTERNATIONAL JOURNAL OF MINERALS METALLURGY AND MATERIALS
卷号24期号:9页码:1067-1074
摘要Amorphous spherical silica powders were prepared by inductively coupled thermal plasma treatment at a radio frequency of 36.2 MHz. The effects of the added content of hydrogen and nitrogen into argon (serving as the sheath gas), as well as the carrier gas flow rate, on the spheroidization rate of silica powders, were investigated. The prepared silica powders before and after plasma treatment were examined by scanning electron microscopy, X-ray diffraction, and laser granulometric analysis. Results indicated that the average size of the silica particles increased, and the transformation of crystals into the amorphous state occurred after plasma treatment. Discharge image processing was employed to analyze the effect of the plasma temperature field on the spheroidization rate. The spheroidization rate of the silica powder increased with the increase of the hydrogen content in the sheath gas. On the other hand, the spheroidization rate of the silica power first increased and then decreased with the increase of the nitrogen content in the sheath gas. Moreover, the amorphous content increased with the increase of the spheroidization rate of the silica powder.
文章类型Article
关键词Silica Powders Spheroidization Inductively Coupled Plasma Mixed Gas
WOS标题词Science & Technology ; Technology ; Physical Sciences
资助者National Natural Science Foundation of China(21377133 ; National Natural Science Foundation of China(21377133 ; 11535003 ; 11535003 ; 11405221) ; 11405221) ; National Natural Science Foundation of China(21377133 ; National Natural Science Foundation of China(21377133 ; 11535003 ; 11535003 ; 11405221) ; 11405221)
DOI10.1007/s12613-017-1497-z
关键词[WOS]THERMAL PLASMA ; CU3V2O8 NANOPARTICLES ; OPTICAL-PROPERTIES ; SPHERICAL SILICA ; LIGAND
收录类别SCI
语种英语
资助者National Natural Science Foundation of China(21377133 ; National Natural Science Foundation of China(21377133 ; 11535003 ; 11535003 ; 11405221) ; 11405221) ; National Natural Science Foundation of China(21377133 ; National Natural Science Foundation of China(21377133 ; 11535003 ; 11535003 ; 11405221) ; 11405221)
WOS研究方向Materials Science ; Metallurgy & Metallurgical Engineering ; Mining & Mineral Processing
WOS类目Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering ; Mining & Mineral Processing
WOS记录号WOS:000409182300014
引用统计
被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.hfcas.ac.cn:8080/handle/334002/33639
专题中科院等离子体物理研究所
作者单位Chinese Acad Sci, Inst Plasma Phys, Hefei 230031, Anhui, Peoples R China
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Li, Lin,Ni, Guo-hua,Guo, Qi-jia,et al. Spheroidization of silica powders by radio frequency inductively coupled plasma with Ar-H-2 and Ar-N-2 as the sheath gases at atmospheric pressure[J]. INTERNATIONAL JOURNAL OF MINERALS METALLURGY AND MATERIALS,2017,24(9):1067-1074.
APA Li, Lin,Ni, Guo-hua,Guo, Qi-jia,Lin, Qi-fu,Zhao, Peng,&Cheng, Jun-li.(2017).Spheroidization of silica powders by radio frequency inductively coupled plasma with Ar-H-2 and Ar-N-2 as the sheath gases at atmospheric pressure.INTERNATIONAL JOURNAL OF MINERALS METALLURGY AND MATERIALS,24(9),1067-1074.
MLA Li, Lin,et al."Spheroidization of silica powders by radio frequency inductively coupled plasma with Ar-H-2 and Ar-N-2 as the sheath gases at atmospheric pressure".INTERNATIONAL JOURNAL OF MINERALS METALLURGY AND MATERIALS 24.9(2017):1067-1074.
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