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| 1 | MICROSTRUCTURE OF ELECTRODEPOSITED Ni-W-P-SiC COMPOSITE COATINGS显示文摘MICROSTRUCTUREOFELECTRODEPOSITEDNiWPSiCCOMPOSITECOATINGS①GuoZhongcheng,YangXianwan,LiuHongkangDepartmentofMetalurgy,Kunmin... | Guo, Zhongcheng Yang, Xianwan Liu, Hongkang | 1997 | 中国有色金属学会会刊:英文版1997，7，1： | 11 |
| 2 | Electrodeposition of Ni-W Amorphous Alloy and Ni-W-SiC Composite Deposits显示文摘Ni-W alloys and their composite deposits are electroplated on the metals when an appropriate complex agent is selected on the base of the theories of electrochemistry and complex chemistry, and the principle of induced codeposition. Effects of the bath composition, pH value, temperature and current density on the electrode position of Ni-W alloys and their composite deposits have been investigated, and the effect of heat treatment temperature on the hardness, structure and cohesive force of the amorphous Ni-W alloys and their composite deposits are also discussed. Results showed that the alloys containing more than 44 wt pct W content and the composite deposits containing 7.8 wt pct SiC content could be obtained by making use of the appropriate bath composition and plating conditions. Alloys and their composite deposits with over 44 wt pct W content show amorphous structure. The hardness of amorphous Ni-W alloys and their composite deposits increases obviously when heated, and can reach to 1350 HV and 1520 HV respectively for 46 wt pct W content. The cohesion on Cu, carbon steel and stainless steel is very good. | Zhongcheng GUO, Xiaoyun ZHU, Dacheng ZHAI and Xianwan YANG (Department of Metallurgy, Kunming University of Science and Technology, Kunming 650093, China) | 2000 | Journal of Materials Science & Technology2000，16，3： | 9 |
| 3 | COMBINATION STRENTHENING PROCESS OF Ni-W-Ti-SiC COMPOSITE COATING AND NITROCARBURIZATION显示文摘COMBINATIONSTRENTHENINGPROCESSOFNiWTiSiCCOMPOSITECOATINGANDNITROCARBURIZATION①MaKeyi,GuoZhongcheng,WenMingfen,YangXianwanD... | Ma Keyi, Guo Zhongcheng, Wen Mingfen, Yang Xianwan Department of Metallurgy, Kunming University of Science and Technology, Kunming 650093 | 1997 | 中国有色金属学会会刊:英文版1997，7，4： | 8 |
| 4 | Effect of the current density on electrodepositing alpha-lead dioxide coating on aluminum substrate显示文摘The α-PbO2 electrodes are prepared by anodic electrodeposition on A1/conductive coating electrode from alkaline plumbite solutions in order to investigate the effect of the different current densities on the properties of α-PbO2 electrodes. The physic-ochemical properties of the α-PbO2 electrodes are analyzed by using SEM, EDS, XRD, Tafel plot, linear sweep voltammetry (LSV) and A.C. impedance. A compact and uniform layer of lead dioxide was obtained at the current density of 3 mA·cm-2. A further increase in current density results in smaller particles with high porosity. EDS and XRD analyses have shown that the PbO2 deposited in alkaline conditions is highly non stoichiometric, and the PbO impurities are formed on the surface layer besides the α-PbO2. The corrosion resistance of α-PbO2 at the low current density is superior to that of the high current density. It can be attributed to a porous layer of deposited films at high current densities. When used as anodes for oxygen evolution in aqueous Zn2+ 50 g·L-1, H2SO4 150 g·L-1, the Al/conductive coating/α-PbO2 exhibits lower potential compared to Pb electrode. Al/conductive coating/α-PbO2 electrode with the best electrocatalytic activity was obtained at current density of 1 mA·cm-2. The lowest roughness factor was obtained at 1 mA·cm-2. | Burning CHEN Zhongcheng GUO Hui HUANG Xianwan YANG Yuandong CAO | 2009 | Acta Metallurgica Sinica(English Letters)2009，22，5： | 6 |
| 5 | Effects of Rare Earth on Properties of Electrodeposited Ni-W-B-SiC Composite Coatings显示文摘 | Guo Zhongcheng and Yang Xianwan | 2000 | Transactions of Nonferrous Metals Society of China2000，10，4： | 1 |
| 6 | High temperature oxidation of multifunctional electrodepesited RE-Ni-W-P-SiC composite coating显示文摘 | Yang Xianwan Guo Zhongcheng Zheng Yanping | 2000 | Proceedings of the Second International Conference on Processing Materials for Properties2000，，： | 1 |
| 7 | Pressure oxidative leaching of lead-containing copper matte显示文摘 | Bingjie JIN Xianwan YANG Qingfeng SHEN | 2009 | Hydrometallurgy2009，，96： | 1 |
| 8 | Pressure oxidative leac- hing of lead - containing copper matte 显示文摘 | Bingjie JIN Xianwan Yang Qingfeng SHEN | 2009 | Hydrometallurgy2009，96，12： | 1 |
| 9 | The solubilities of poorly soluble electrolytes in complex solutions显示文摘 | ZHANG Yingjie Cao Zhanmin Yang Xianwan | 1988 | Hydrometallurgy1988，50，： | 1 |
| 10 | Pressure oxida- tive leaching of lead - containing copper matte 显示文摘 | Bingjie Jin Xianwan Yang Qingfeng Shen | 2009 | Hy- drometallurgy2009，，96： | 1 |
| 11 | Pel- letizing and alkaline leaching of powdery low grade zinc oxide ores 显示文摘 | Feng Linyong Yang Xianwan Shen Qingfeng | 2007 | Hydrometallurgy2007，89，34： | 1 |
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