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Rare earth and silane as chromate replacers for corrosion protection on galvanized steel彭天兰,满瑞林摘 要:The present work aimed at using rare earth lanthanum salt and trimethoxy(viny)silance as chromate substitutes for galvanized steel passivation, in contrast to zinc coating samples treated with chromate.The corrosion resistance was assessed......
Corrosion kinetics and patina evolution of galvanized steel in a simulated coastal-industrial atmosphereChuang Qiao1,2,Lianfeng Shen1,Long Hao2,Xin Mu2,Junhua Dong2,Wei Ke2,Jing Liu3,Bo Liu2,41... of galvanized steel submitted to wet/dry cyclic corrosion test in a simulated coastal-industrial atmosphere was investigated. The results show that zinc coating has a greater corrosion rate during......
of the galvanized coating on the steel and the change of α-Fe/Γ interface were studied. The EDS (energy dispersive sepectroscopy) results show that excessive silicon accumulates on the surface of the steel substrate...INFLUENCE OF SILICON IN STEELS ON GALVANIZED COATINGS G. Kong1,Q.Y. Xu1,J.T. Lu1,C.S. Che1,J.H. Chen1 (1.College of Materials Science and Engineering, South China University of Technology......
Growth behavior of interfacial compounds in galvanized steel joints with CuSi3 filler under arc brazing YU Zhi-shui(于治水), LI Rui-feng(李瑞峰), QI Kai(祁 凯) College of Materials Engineering, Shanghai... of the galvanized steel and copper filler. From this, the schematic cycle of the interface growth behavior of Fe/Si compounds and the fragmentation behavior of whisker-like intermetallic compounds are developed......
Role of silicon in steels on galvanized coatings Qiaoyu XU1,Gang KONG1,Chunshan CHE1,Jintang LU1 (1.College of Materials Science and Engineering,South China University of Technology,Guangzhou 510640,China) Abstract:In this article, five kinds of silicon-containing steel sheets have been electrodeposited, and then immersed in a pure molten zinc bath at 450 ℃ for various periods of time......
Post treatment of silane and cerium salt as chromate replacers on galvanized steel孔纲,卢锦堂,吴海江摘 要:A complex film on hot-dip galvanized steel sheet(HDG) was prepared by immersing the sheet in 0.1wt.% Ce(NO3)3 solution and 5vol.% silane solution in turn.The corrosion protection of the complex film was evaluated by potentiodynamic linear polarization(LPR......
Laser-MIG Arc Hybrid Brazing-Fusion Welding of Al Alloy to Galvanized Steel with Different Filler MetalsShujun WANG,Guoliang QIN,Yuhu SUKey Laboratory for Liquid-Solid Structure Evolution and Processing of Materials, Ministry of Education, Shandong University摘 要:Aluminum alloy plates were joined to galvanized steel sheets with lap joint by laser-MIG arc......
Characteristics of TIG arc-assisted laser welding–brazing joint of aluminum to galvanized steel with preset filler powderChun-Ling Li,Ding Fan,Bin WangState Key Laboratory of Advanced Processing... of 5A06 aluminum alloy to the galvanized steel by preset filler powder without groove. The spreading behavior of liquid metal on the back of the galvanized steel at different assisted welding......
Growth and corrosion resistance of molybdate modified zinc phosphate conversion coatings on hot-dip galvanized steel LIN Bi-lan(林碧兰), LU Jin-tang(卢锦堂), KONG Gang(孔 纲), LIU Jun(刘 军) School... on hot-dip galvanized(HDG) steel when 1.0 g/L sodium molybdate were added in a traditional zinc phosphate solution. The growth performance and corrosion resistance of the modified ZPC were investigated......
热镀锌表面镧盐转化膜生长机理的研究孔纲1,刘仁彬2,卢锦堂2,车淳山2,钟正2(1.广东省广州市华南理工大学材料科学与工程学院2.华南理工大学 材料学院)摘 要:在常规稀土镧盐钝化液中添加以柠檬酸添加剂,从而在热镀锌层表面获得镧盐转化膜.采用中性盐雾实验(NSS)分析膜层耐蚀性能,确定最佳成膜时间范围.通过扫描电镜(SEM),能谱仪(EDS),X射线光电子能谱(XPS),红外光谱(IR)分析了膜层的结构,微观形貌和化学成分.结果表明,转化膜耐蚀性能与铬酸盐钝化膜相当;膜层微观上存在裂纹,且裂纹随着成膜时间的延长......
