Materials and corrosion, Vol. 63 N° 2. Materials and corrosion - Fevrier 2012
| Titre : | Materials and corrosion, Vol. 63 N° 2. Materials and corrosion - Fevrier 2012 |
| Type de document : | Bulletin |
| Paru le : | 21/10/2012 |
Dépouillements
Article : texte imprimé
M. Schneider, Auteur ;
S. Schroth, Auteur ;
N. Schubert, Auteur
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Electrochemical machining is characterized by deliberate high speed anodic dissolution. The distance between anode and cathode are only a few hundred microns. Additionally, the electrolyte flow rate is in the range of approximately meter/second.[...]
Article : texte imprimé
F. Rosalbino, Auteur ;
G. Scavino, Auteur ;
G. Mortarino, Auteur
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Investigations concerning the electrochemical corrosion behaviour of mould steels are scarce and limited. In the present study the corrosion resistance of an innovative mould steel (a microalloyed steel, steel 2), devoted to the fabrication of l[...]
Article : texte imprimé
H. M. Ezuber, Auteur
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The effect of temperatures up to 80 °C, dissolved CO2 (sat.), and flow (agitation) up to 1000 rpm on the breakdown potential of mill-annealed UNS S 32205 duplex stainless steel (DSS) has been evaluated in 1 M NaCl solution using potentiodynamic [...]
Article : texte imprimé
Influence of water vapour on high temperature oxidation of steels used in petroleum refinery heaters
A. Sultan, Auteur ;
I. Karakaya, Auteur ;
M. Erdogan, Auteur
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The oxidation behaviours of three different steels used in the construction of petroleum refinery heaters were investigated by thermogravimetric analysis (TGA) technique. C-5, P-11 and P-22 steel samples were tested in two different environments[...]
Article : texte imprimé
Y. P. Xiao, Auteur ;
Q. L. Pan, Auteur ;
W.B. Li, Auteur
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The exfoliation corrosion behavior of an Al–Zn–Mg–Cu–Zr alloy containing Sc artificially aged at 120 °C for 24 h is studied by macroscopic observation techniques and electrochemical impedance spectroscopy (EIS) measurements. After 48 h immersion[...]
Article : texte imprimé
M. Atapour, Auteur ;
M. H. Fathi, Auteur ;
M. Shamanian, Auteur
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The corrosion behavior of a thin sheet of Ti–6Al–4V alloy was investigated in hydrochloric acid solution after welding by gas tungsten arc welding. The resulting microstructure of the weld metal (WM) consisted of coarse prior β grains containing[...]
Article : texte imprimé
V. Wachtendorf, Auteur ;
U. Schulz, Auteur ;
A. Geburtig, Auteur
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As the results of a 14 weeks outdoor exposure of a series of automotive coatings in South Florida, the panels were found to be overgrown with an almost closed layer of mildew. Pinholes remained as permanent surface damage after removing the mild[...]
Article : texte imprimé
F. Luo, Auteur ;
Q. Li, Auteur ;
X. K. Zhong, Auteur
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Sol–gel coatings cannot provide adequate corrosion protection for metal/alloys in the corrosive environments due to their high crack-forming potential. This paper demonstrates the possibility to employ cerium nitrate as inhibitor to decrease the[...]
Article : texte imprimé
A bilayer coating was prepared by electrodepositing a polybithiophene (PBT) film on the top of square wave passivated 304 stainless steel (304SS). The structure of the PBT layer was characterized by FTIR spectroscopy and suggested to be composed[...]
Article : texte imprimé
A. M. Abdel-Gaber, Auteur ;
B. A. Abdel-Nabey, Auteur ;
M. Saadawy, Auteur
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Effect of lupine and damsissa extracts on the corrosion of steel in 0.5 M Na2SO4 solution free from and containing 0.01 or 0.1 M NaCl were examined by potentiodynamic and electrochemical impedance spectroscopy techniques. Potentiodynamic polariz[...]
Article : texte imprimé
The corrosion of casing was investigated in the laboratory and oilfield by series methods of EIS, SEM, EDS, well logging, and field coupon test. Data reveal the middle vertical profile along the casing is greatly threatened by localized form rat[...]
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