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layers of the carbon/carbon (C/C) composites at 650-750 ℃ by the electromagnetic-field-assisted chemical vapor deposition in the absence of catalysts. The fine microstructures of the HPCs were... of polarization induction on electromagnetic fields and particle-filler property under disruptive discharge. Key words: headstand pyrocarbon cones; chemical vapor deposition; electromagnetic-field-assisted......
J. Cent. South Univ. Technol. (2008) 15(s1): 197-201 DOI: 10.1007/s11771-008-345-8 Fabrication of micro carbon pillar by laser-induced chemical vapor deposition ZHOU Jian(周 健)1, LUO Yin-she(罗迎社... power from 0.5 W to 4.5 W and the pressure of the precursor gas from 225×133.3 Pa to 680×133.3 Pa, the experiments of laser induced chemical vapor deposition were proceeded for fabrication of micro......
Chemical conversion coating on AZ31B magnesium alloy and its corrosion tendency Hualan JIN1,Ming WANG2,Xiangjie YANG2 (1.School of Materials Science and Engineering,Nanchang University,Nanchang... as well as the phase composition of chemical conversion coating formed by phosphate were studied using scanning electron microscope and X-ray diffraction. The corrosion resistance of the coating......
J. Cent. South Univ. Technol. (2007)01-0057-05 DOI: 10.1007/s11771-007-0012-5 Analysis of volatile chemical components of Radix Paeoniae Rubra by gas chromatography-mass spectrometry and chemometric resolution LI Xiao-ru(李晓如), LAN Zheng-gang(兰正刚), LIANG Yi-zeng(梁逸曾) (School of Chemistry and Chemical......
Comparative modeling of gas transport in isothermal chemical vapor infiltration process of C/SiC composites WEI Xi(魏 玺), CHENG Lai-fei(成来飞), ZHANG Li-tong(张立同), XU Yong-dong(徐永东), ZENG Qing... Abstract: Two comparative models taking into account of momentum, energy and mass transport coupled with chemical reaction kinetics were proposed to simulate gas transport in isothermal CVI reactor......
Synthesis and Characterization of Y-Doped Mesoporous CeO2 Using A Chemical Precipitation Method Xu Dayu1,Qiu Guanzhou1,Li Yukun1,Jiang Nan1,Song Xiaolan1 (1.Department of Inorganic Materials... using a chemical precipitation method, under an alkalescent condition. Properties of the obtained samples were characterized and analyzed with X-ray diffraction (XRD), energy dispersive analysis of X-rays......
Corrosion resistance, composition and structure of RE chemical conversion coating on magnesium alloy YU Sheng-xue(于升学)1, 2, CAO Jing-yu(曹靖瑜)2, CHEN Ling(陈 玲)2, HAN Jing(韩 婧)2, ZHANG Rui-jun(张瑞...; Abstract: Golden yellow rare earths chemical conversion coating was obtained on the surface of magnesium alloy by immersing in cerium sulfate solution. The corrosion......
influences on hot filament chemical vapor deposition (HFCVD) diamond films growth on inner hole surfaces of WC-Co substrates mainly include the substrate temperature (t), carbon content (φ), total pressure (p... performance, the key deposition parameters were finally optimized as: t=830 °C, φ=4.5%, p=4000 Pa, F=800 mL/min. Key words: hot filament chemical vapor deposition diamond film; inner hole surface......
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ARTICLE J. Cent. South Univ. (2019) 26: 373-382 DOI: https://doi.org/10.1007/s11771-019-4009-7 Physical, chemical, and surface charge properties of bauxite residue derived from a combined process... in reducing the environmental impact and using the material as an industrial by-product for other applications. In this study, physical, chemical, and surface charge properties of bauxite residue derived......
