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Composition and Performance of the Composite Coatings Obtained by Phosphating and Cerium Nitrate Post-Sealing on Galvanized Steel林碧兰,卢锦堂,孔纲,刘军摘 要:To improve the corrosion resistance of phosphate coatings, the phosphated hot-dip galvanized (HDG) steel was post-sealed with cerium nitrate solution. The morphology, composition, corrosion resistance......
A Nickel-Manganese-Modified Low Zinc Phosphate Solution for Cathode-Electrophoretic Painting of Steel Substrates ZHANG Xu-jian1,GAN Fu-xing2,LI Bao-song2,Lin An2 (1.Wuhan Boxin Painting Materials & Instruments Corporation, Wuhan, China;2.College of Resource & Environment Science, Wuhan University, Wuhan, China) 摘要:Phosphate coatings are partially dissolved in the cathodic area during......
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in a bath containing phosphate and manganese [23]. In the present study, a zinc phosphating bath was employed to obtain high quality zinc phosphate coatings on the AZ91D magnesium alloy... of the enlarged rusty along one side of the nick after the salt spray test. The results of the salt spray tests of painted AZ91D magnesium alloy based on zinc phosphate coatings formed for 1 min......
on the corrosion performance of zinc-rich polyurethane nanocomposite coatings using electrochemical properties and salt spray testing[J]. Surface and Coatings Technology, 2013, 216: 199-206. [8] E. Corrosion protection with zinc-rich epoxy paint coatings embedded with various amounts of highly dispersed polypyrrole- deposited alumina monohydrate particles[J]. Progress in Organic Coatings, 2013, 76(1......
STUDY THE INFLUENCE OF H3BO3 ON THE ZINC ELECTROPLATING USING ELECTROCHEMICAL NOISE TECHNIQUE J.Q.ZHANG1,C.N.Cao2,Y.L.Cheng1,Q.Y.Cai1,Z.ZHANG1,F.H.Cao1,C.S.Wu1 (1.Department of Chemistry, Zhejiang...:The influence of H3BO3 on the zinc electroplating was studied using electrochemical noise technique, cyclic voltammetry and steady-state polarization method. The results showed that,under the experimental......
]. Surface and Coatings Technology, 2013, 232: 561-566. [13] KOERNER C, SCHWANKL M, HIMMLER D. Aluminum–aluminum compound castings by electroless deposited zinc layers[J]. Journal of Materials Processing... Chang, LI Zhen-xing. Electrochemical mechanism of zinc immersion of aluminum[J]. Materials Protection, 2011, 44(12): 16-18. [17] ZELLEY W G. Formation of immersion zinc coatings on aluminum[J]. Journal......
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Effect of Rare Earth on the Corrosion-Resisting Performance of Zinc-Based Alloy Coatings宋人英,殷素云,王兴杰,许廉,黄楚宝,王妍摘 要:<正> The corrosion behavior of coatings of pure zinc and Zn-Al,Zn-Al-RE alloys in NaCl solu-tions was studied by salt-spray experiments,even corrosion experiments and electrochemical measurementsof bi-directional polarization curves......
Anodic behavior and microstructure of Al/Pb-Ag-Co anode during zinc electrowinningZHANG Yong-chun(张永春)1, CHEN Bu-ming(陈步明)1 , YANG Hai-tao(杨海涛)1, HUANG Hui(黄惠)1, GUO Zhong-cheng(郭忠诚)1, 2(1. Faculty... 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......
