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  • Articles  (39,677)
  • Wiley  (35,400)
  • Emerald  (3,512)
  • Blackwell Science Ltd
  • Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics  (39,677)
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  • 1
    Electronic Resource
    Electronic Resource
    The inhibition effects of some heterocyclic nitrogenous compounds on the corrosion of the steel in CO-saturated NaCl solutions (2003)
    Bradford : Emerald
    Anti-corrosion 50 (2003), S. 34-39 
    Details
    ISSN: 0003-5599
    Source: Emerald Fulltext Archive Database 1994-2005
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: The corrosion inhibition efficiencies of five different nitrogenous heterocyclic bases 3-amino-1,2,4-triazole (ATA), 2-amino-1,3,4-thiadiazole (ATDA), (p-toly) 1,3,4-triazole (TTA), 3-amino-5-methylmercapto-1,2,4-triazole (AMTA) and 2-aminobenziotriazole (ABA) on carbon steel were investigated in relation to their molecular structure. Corrosion current densities, in the absence and presence of the compounds, were used to assess inhibition performances. The corrosion efficiencies were considered on the basis of their molecular planarity, aromaticity and p-electron donation assumption.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1108/00035590310456270
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  • 2
    Electronic Resource
    Electronic Resource
    Crack-resistant and anticorrosive coatings based on vulcanized water dispersion of chlorine-sulpho-polyethylene (2003)
    Bradford : Emerald
    Anti-corrosion 50 (2003), S. 108-114 
    Details
    ISSN: 0003-5599
    Source: Emerald Fulltext Archive Database 1994-2005
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Advanced crack-resistant coatings based on water dispersion of chlorine-sulpho-polyethylene (CSPE, Hypalon®) vulcanized by Mannich alkalis (MA) water solution were obtained. Application of MA as a CSPE structure component makes it possible to produce a vulcanized net of saturated polymer, and thus to receive ecologically safe impenetrable crack resistant coatings of any substrata (concrete, metal, plastic, etc.). The coatings can be applied in aircraft, automotive, shipbuilding, paint and varnish industries, civil engineering, etc. as a corrosion-resistant material. The optimal coating composition and its mechanical properties have been studied.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1108/00035590310463966
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  • 3
    Electronic Resource
    Electronic Resource
    Prediction and measurement of mild steel corrosion inhibition by alkyl pyridinium chloride and alkyl trimethyl ammonium bromide surfactants in acidic chloride media (2003)
    Bradford : Emerald
    Anti-corrosion 50 (2003), S. 186-192 
    Details
    ISSN: 0003-5599
    Source: Emerald Fulltext Archive Database 1994-2005
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Surfactants are important corrosion inhibitors that are used in different applications. This paper utilizes the recently developed methodology and formulae to predict mild steel corrosion inhibition by alkyl pyridinium chloride and alkyl trimethyl ammonium bromide compounds. By utilizing different surfactants of varying chain lengths in different acidic media and determining the associated corrosion inhibition, the relationship between surfactant concentration, surfactant hydrocarbon chain length, surfactant critical micelle concentration, and corrosion inhibition can be evaluated. The results from this study can be used to improve relevant industrial uses of surfactants for corrosion inhibition.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1108/00035590310471750
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  • 4
    Electronic Resource
    Electronic Resource
    The cyclic hydroxylamines: a new class of corrosion inhibitors of carbon steel in acidic medium (2003)
    Bradford : Emerald
    Anti-corrosion 50 (2003), S. 201-207 
    Details
    ISSN: 0003-5599
    Source: Emerald Fulltext Archive Database 1994-2005
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Several cyclic hydroxylamines containing hydrophobic substituents were prepared. All these hydroxylamines were tested for corrosion inhibition of carbon steel in 1M HCl at 60°C by gravimetric and electrochemical methods. All compounds showed excellent corrosion inhibition efficiency (IE per cent) in acidic solutions containing 400?ppm of the inhibitors; Inhibitor Efficiencies in the range 66-98 per cent were measured by the gravimetric method. Comparable results were obtained by the electrochemical method using Tafel plots for the IE of some of the selected synthesised compounds.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1108/00035590310471778
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  • 5
    Electronic Resource
    Electronic Resource
    Effect of divalent cations in low zinc ambient temperature phosphating bath (2003)
    Bradford : Emerald
    Anti-corrosion 50 (2003), S. 286-290 
    Details
    ISSN: 0003-5599
    Source: Emerald Fulltext Archive Database 1994-2005
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: A new zinc phosphating bath, which produces coatings at relatively lower temperatures within a reasonable time by using of chemical accelerators has been devised. Improvement of the bath performance by the addition of divalent cations like calcium, manganese and magnesium has been studied. Bath formulation and operating conditions have been optimized by coating weight determinations. Corrosion resistance property of the resultant coatings has been evaluated in 1,000?ppm Cl- by electrochemical methods such as potentiodynamic polarization and impedance measurements. Results of the electrochemical techniques have been complemented by salt spray, humidity and immersion tests. Porosity and roughness of the coatings have also been studied. Results show that the phosphating bath with manganese addition gives good coatings within 30?min. Studies have shown that the corrosion resistance of the resultant coatings are much superior than the conventional coatings.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1108/00035590310482523
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  • 6
    Electronic Resource
    Electronic Resource
    Severe corrosion in a waste incinerator plant due to flue gas and steam leakage (2003)
    Bradford : Emerald
    Anti-corrosion 50 (2003), S. 334-340 
    Details
    ISSN: 0003-5599
    Source: Emerald Fulltext Archive Database 1994-2005
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: In a new build waste incinerator, the waste (refuse derived fuel) was burned on a discontinuous moving grate. Frequent furnace overpressure peaks occurred because of this firing method and as a result, flue gas and fly-ash were pushed out of the boiler and into the building. During the plant start up period, a seal in a water-feed pipeline broke, and a large amount of condensed steam was discharged into the boiler house. Shortly thereafter, very severe corrosion was noticed on the galvanised gangways, steel building components, the boiler aluminium sheeting and on processing lines. A theoretical study of the condensation of the flue gas indicated that sulphuric acid would condense before it reached the external aluminium sheeting and that under normal conditions, dry hydrochloric acid fumes would be removed by the boiler house ventilators. However, the steam leakage had caused the hydrochloric acid to be dissolved in the condensed water and that had resulted in the severe corrosion damage, which had become evident subsequently.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1108/00035590310492243
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  • 7
    Electronic Resource
    Electronic Resource
    Inhibition of CO corrosion of carbon steel by rosin amide (2003)
    Bradford : Emerald
    Anti-corrosion 50 (2003), S. 410-413 
    Details
    ISSN: 0003-5599
    Source: Emerald Fulltext Archive Database 1994-2005
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: The inhibition of sweet gas corrosion of carbon steel in high pressure CO2 saturated brine by rosin amine has been studied by weight-loss, electrochemical polarisation and electrochemical impedance spectrum measurements. The results obtained revealed that rosin amine compound is a good inhibitor. The inhibition efficiency increased with the increase of inhibitor concentration. Rosin amine acts mainly as a adsorptive mixed-type inhibitor. The adsorption of the inhibitor on the metal surface in high pressure CO2 saturated brine obey Langmuir isotherm. The adsorption mechanism of inhibitor was both electrostatic-adsorption and chemisorption.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1108/00035590310501567
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  • 8
    Electronic Resource
    Electronic Resource
    Synthesis of some new bisquaternary ammonium salts as acid corrosion inhibitors for carbon steel (2003)
    Bradford : Emerald
    Anti-corrosion 50 (2003), S. 436-441 
    Details
    ISSN: 0003-5599
    Source: Emerald Fulltext Archive Database 1994-2005
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: A variety of bisquaternary ammonium salts was prepared for the first time by reacting N,N,N',N'-tetraallyl-1,6-hexanediamine with allyl chloride, propargyl chloride, benzyl chloride, and 1-bromododecane in excellent yields (〉90 per cent). Inhibition efficiency for different concentrations of the synthesised compounds for the inhibition of corrosion of carbon steel in 1?M HCl exposed for 6?h at 60°C was determined gravimetrically. The bisquaternary salts exhibited excellent inhibition efficiencies (97-99 per cent) in the acidic solution containing 400?ppm of the inhibitor. Comparable results were obtained by the electrochemical method using Tafel plots for the inhibition efficiency of the synthesised compounds. The adsorption of these compounds on carbon steel surface was found to obey Temkin's adsorption isotherm. The work marked the beginning of constituting an important class of new inhibitors containing multiple adsorption centres of positive nitrogens as well as p-donor moieties.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1108/00035590310501594
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  • 9
    Electronic Resource
    Electronic Resource
    A new corrosion-resistant material for use as an inert anode in electrolytic molten salt aluminium extraction systems (2004)
    Bradford : Emerald
    Anti-corrosion 51 (2004), S. 25-30 
    Details
    ISSN: 0003-5599
    Source: Emerald Fulltext Archive Database 1994-2005
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: The spinel NiFe2O4 has been identified as being a potentially successful anti-corrosion ceramic that can be used in aluminium electrolysis under molten salt corrosive conditions (970°C). The evaluation and fabrication processing of NiFe2O4 has been studied in this paper. According to the analysis and comparison of material properties, it has been concluded that fabrication technology for making anti-corrosion electrode material would not be exceptionally difficult and therefore that the material has a strong potential for use in this service.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1108/00035590410512708
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  • 10
    Electronic Resource
    Electronic Resource
    Pitting corrosion of copper in chloride solutions (2004)
    Bradford : Emerald
    Anti-corrosion 51 (2004), S. 52-61 
    Details
    ISSN: 0003-5599
    Source: Emerald Fulltext Archive Database 1994-2005
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: The pitting corrosion of copper in chloride solution has been studied using potentiostatic polarisation and surface analysis techniques. X-ray photoelectron spectroscopy (XPS) results enabled conclusions to be drawn about the nature of the film formed in different chloride concentrations. In dilute chloride solutions (C=10-3?M), XPS proved the existence of Cu2O film on the copper surface. It was found that, depending on the chloride content, pitting of copper was evident only after the formation of a protective film of Cu2O. A current-time trend plot showed the onset of fluctuations, which were dependent on the NaCl content. On the other hand, introduction of O2 into the solution during prepolarisation time period increased the current value of the fluctuations at the same concentration of NaCl in comparison with the freely aerated solution. These results, together with the surface analysis, confirm the role of chloride ion on the mechanism of pitting attack on copper metal.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1108/00035590410512735
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