Properties of Ni-W alloy coatings on steel substrate
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Z. Gáliková
,
M. Chovancová
Abstract
Ni-W alloy coatings were prepared on the steel substrate at the temperature of 60°C. The content of tungsten in coatings was increased with the growing cathodic current density. The increase of the corrosion resistance of Ni-W alloy coatings with the rising content of tungsten was confirmed by the measurement of anodic polarization curves. Annealed coatings showed better antioorrosion properties than the non-annealed ones. The properties of annealed coatings including their corrosion resistance depend on the tungsten content, too.
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© 2006 Institute of Chemistry, Slovak Academy of Sciences
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Artikel in diesem Heft
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- Comparison of betaine and l-stachydrine as phase-transfer catalysts in Michael addition and Darzens reaction
- Synthesis and cyclization reactions with pyrazolopyrimidinyl keto esters part I. Reactivity of pyrazolopyrimidinyl β-keto ester and pyrazolopyrimidinyl α,β-unsaturated ketones
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- Effect of chloride ions on the kinetics of nitrobenzene reduction by powdered iron
- Displacement washing of pulp with urea solutions
- Methane esterification in oleum
- Momentum transfer in an agitated vessel with off-centred impellers
- Optimal control of a two-stage reactor system
- Effect of span 20 concentration on oxalic acid production from post-refining fatty acids by Aspergillus niger XP
- Citric acid production from raw glycerol by acetate mutants of Yarrowia lipolytica
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