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Effect of partial pressure of reactive gas on chromium nitride and chromium oxide deposited by arc ion plating LI Ming-sheng(李明升)1, 2, FENG Chang-jie(冯长杰)2, WANG Fu-hui(王福会)2 1. Jiangxi Key... for the attempt to prevent the peel of the coating. Key words: chromium nitride; chromium oxide; arc ion plating; reactive gas partial pressure 1 Introduction Arc ion plating (AIP) technique is one......
Deposition of chromium aluminum nitride coatings by arc ion plating ZHANG Shu-juan(张淑娟)1, LI Ming-sheng (李明升)1, FENG Chang-jie(冯长杰)2, LIU Ting-zhi(刘庭芝) 1, DUO Shu-wang(多树旺) 1 1. Jiangxi Key... surface is more obvious, and the change of preferred orientation and the shift of XRD peak take place. Key words: chromium aluminum nitride; arc ion plating; phase change; pulse bias 1 Introduction......
) were used to examine the morphology and structure of oxide film after oxidation. Secondary ion mass spectrum (SIMS) method was used to examine the binding energy change of chromium caused by La... and LaCrO3 spinel particles. Key words:ion implantation; lanthanum; chromium oxide; raman spectrum; SIMS; rare earths; [全文内容正在添加中] ......
J. Cent. South Univ. Technol. (2008) 15: 515-519 DOI: 10.1007/s11771-008-0097-5 Adsorption of copper(Ⅱ) and chromium(Ⅵ) on diaspore LIU Xiao-wen(刘晓文), WANG Jian-rong(王建绒), HU Yue-hua(胡岳华) (School... be explained by zeta potential theoretical and electrostatic attraction between metal ions and diaspore surface. Key words: diaspore; adsorption; copper(Ⅱ); chromium(Ⅵ); zeta potential ......
J. Cent. South Univ. (2018) 25: 1317-1325 DOI: https://doi.org/10.1007/s11771-018-3828-2 Leaching of vanadium and chromium from converter vanadium slag intensified with surface wettability YANG Qi..., part of Springer Nature 2018 Abstract: Technology intensified with surface wettability was introduced to leach vanadium and chromium from converter vanadium slag without roasting. Parameters affecting......
Size effects on electrical properties of sol–gel grown chromium doped zinc oxide nanoparticlesDavit Dhruv1,2,A.D.Joshi44. Department of Nanoscience and Advanced Materials, Saurashtra University摘 要:In this communication, we report the results of the studies on electrical properties of Zn0.95Cr0.05O nanoparticles synthesized using sol–gel method. X–ray......
Process of pulse electrodeposition nanocrystalline chromium from trivalent chromium bath HE Xin-kuai(何新快)1, 2, QIU Guan-zhou(邱冠周)1, CHEN Bai-zhen(陈白珍)1, ZHOU Ning-bo(周宁波)1, WU Lu-ye(吴璐烨)2, XU Li... 412008, China Received 15 July 2007; accepted 10 September 2007 Abstract: Nanocrystalline chromium coating was prepared by pulse electrodeposition from trivalent chromium bath containing carboxylate-urea......
Article ID: 1003-6326(2005)03-0600-06 Characterization of oxide films formed on magnesium alloys using bipolar pulse microarc oxidation in phosphate solutions WANG Li-shi(王立世... morphology and chemical composition of the oxide films formed on pure magnesium and AZ91D alloy in aqueous electrolytes which contained sodium hexafluorinealuminate(Na3AlF6), potassium hydroxide (KOH......
of Sciences, Beijing 100049, China; 4. Hubei Zhenhua Chemical Co., Ltd., Huangshi 435001, China Received 16 November 2016; accepted 20 April 2017 Abstract: The electro-reduction of chromium oxide (Cr2O3... and the product morphology from pure CaCl2 molten salt. Key words: electrolysis; chromium; chromium oxide; CaCl2-NaCl molten salt 1 Introduction Chromium (Cr) metal is an attractive engineering material......
J. Cent. South Univ. Technol. (2009) 16: 0253-0257 DOI: 10.1007/s11771-009-0043-1 Speciation of chromium in soil inoculated with Cr(Ⅵ)-reducing strain, Bacillus sp. XW-4 XU Wei-hua(徐卫华), LIU... mg/kg, respectively. The content of available Cr in soils with inoculation of XW-4 is higher than that in controls. Chromium is partitioned into water soluble Cr, exchangeable Cr, precipitated Cr, Cr......
