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to study the anodic behavior and microstructures of Al/Pb-Ag-Co anode during zinc electrowinning, by means of potentiodynamic investigations, scanning electron microscopy (SEM) and X-ray diffraction(XRD..., but Pb-0.8%Ag alloy composite coating has well-organized orientation crystallites of PbSO4 concentrated in the certain zones after 24 h of anodic polarization. It is important that Al/Pb-0.75%Ag-0.03%Co......
of oxidation reaction were observed. The static contact angle of distilled water on polymer-plated surface can be up to 106.3? while on the blank surface it is 45.8?. Potentiodynamic polarization results... on Mg-Mn-Ce alloy surface and improving its anti-corrosion property. Key words: magnesium alloy; polymer plating; nano-film; hydrophobic film; potentiodynamic polarization; electrochemical impedance......
to the potential difference in the galvanic coupling of Cu and Ti. The increase of Ti content decreases the corrosion resistance of the Cu-Ti alloys. Key words: Cu-Ti alloy; potentiodynamic polarization; mass loss... of 5 mV. The electrochemical impedance spectroscopy (EIS) data points were fitted using ZSimpWin software. The potential for potentiodynamic polarization test was scanned from -1500 to 1000 mV (vs SCE......
fraction) solution were studied by potentiodynamic polarization curve and electrochemical impedance spectroscopy. The coatings include TiN/TiCN/TiAlCNO/Al2O3 (hereinafter referred to as Al2O3 based... improved by increasing the coating thickness. Key words: CVD composite coating; PVD composite coating; potentiodynamic polarization curve; electrochemical impedance spectroscopy; coating porosity......
were investigated by using potentiodynamic polarization, electro- chemical impedance spectroscopy (EIS), scanning electron microscopy coupled with energy dispersive X-ray (SEM/EDX) analysis, aqueous... that were observed. Key words: chalcopyrite oxidation; phenacyl derivatives; inhibition; potentiodynamic polarization; quantum chemical calculation 1 Introduction Chalcopyrite (CuFeS2) is the most......
base compound (4Z)-4-(3-phenyl allylidene amino)-3-hydroxy naphthalene-1-sulfonic acid (AC) on AZ31 magnesium alloy corrosion was studied using mass loss, potentiodynamic polarization technique, electrochemical impedance spectroscopy methods. The potentiodynamic polarization curve shows that Schiff base AC inhibits both anodic and cathodic reactions at all concentration, which indicates......
J. Cent. South Univ. Technol. (2008) 15: 757-762 DOI: 10.1007/s11771-008-0140-6 Fabrication and anodic polarization behavior of lead-based porous anodes in zinc electrowinning ZHONG Shui-ping(衷水平...; Abstract: A new type of lead-based porous anode in zinc electrowinning was prepared by negative pressure infiltration. The anodic polarization potential and corrosion rate were studied and compared......
性正移． 关键词:阻抗; 极化曲线; 钝化; 局部腐蚀; EIS; potentiodynamic polarization; pitting; [全文内容正在添加中] ......
by potentiodynamic polarization test and leaching measurement. The polarization curves indicated that the corrosion rate of Sn-0.75Cu solder was lower than that of Sn-0.75Cu/Cu joint. The morphology observation...; potentiodynamic polarization; leaching behavior; corroded products 1 Introduction Nowadays, to develop lead-free solders to replace lead-bearing solders, many progresses have been achieved in Sn-Ag, Sn-Zn......
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