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Full-Text Articles in Physical Sciences and Mathematics
Electrochemical Study Of The Corrosion Behavior Of Coalesced Copper And Sw-206 Stainless Steel In The Acetic-Acid Solution, Rongzong Hu, Changjian Lin, Jianguang Tan
Electrochemical Study Of The Corrosion Behavior Of Coalesced Copper And Sw-206 Stainless Steel In The Acetic-Acid Solution, Rongzong Hu, Changjian Lin, Jianguang Tan
Journal of Electrochemistry
In order to provide a theoretic and experimental consideration for the material selection and anit-corrosion in the petrochemical industries the corrosion behavior of coalesced copper and sw-206 stainless steel in the acetic acid solution was studied by electrochemical impedance spectroscopy and polarization techniques. The effects of the temperature,acetic acid concentration and solubilized oxygen in the acetic acid solution on the corrosion process of this two metals were analyzed. It was found that these effects obviously accelerate corrosion process for the coalesced copper,but no apparent influnce for the sw-206 stainless steel.In the the acetic acid solution,containing water and oxygen were beneficial …
The Effect Of Additive Ce￣(4+) On The Properties Of Composite Coating Of Co-P-Ptfe, Jiaoning Tang, Ling Huang, Zhaoxong Xie, Shibing Yao, Shaoming Zhou
The Effect Of Additive Ce￣(4+) On The Properties Of Composite Coating Of Co-P-Ptfe, Jiaoning Tang, Ling Huang, Zhaoxong Xie, Shibing Yao, Shaoming Zhou
Journal of Electrochemistry
The effect of additive Ce4+ on the properties of composite coating of Co-P-PTFE was studied in this paper.The results show that additive Ce(4+) can change the structures and properties of Co-P-PTFE composite coating. First,the surface of the compoite coating becomes smooth and the microhardness of the composite coating increased.Secondly,additive Ce(4+) decreased the corrosion current lcorr of the composite coating in the solution of 3% NaCl and increased its property of anticorrosion.Finally additive Ce(4+) can affect preferred orientation and grain size of composite coating of Co-P-PTFE. Preferred orientation of the composite varies from(100)to(110)and the grain size decreased.
The Inhibition Of Amphipathic S- And N-Containing Compounds On Carbon Steel Corrosion, Wei Xing, Yibin Shan, Du Guo, Tianhog Lu, Shiquan Xi
The Inhibition Of Amphipathic S- And N-Containing Compounds On Carbon Steel Corrosion, Wei Xing, Yibin Shan, Du Guo, Tianhog Lu, Shiquan Xi
Journal of Electrochemistry
Ordered monolayers of S- and N-containing amphipathic corrosion inhibitors were depoitod onto the surfaces of carbon steel electrode with super-molecular assembly technique. The effect of molecular aggregation of monolayers on carbon steel corrosion in 0. 05 mol dl￣(-3)H_2SO_4 and the mechanisms of these inhibitors were discussed in details. It was found that the transport of hydrated hydrogen ion to the surface of steel depends strongly on the inhibitor molecular aggregation in the monolayers.