Role of silicon in the corrosion resistance of Cu-Si alloys in natural seawater

Role of silicon in the corrosion resistance of Cu-Si alloys in natural seawater

Silicon plays a vital role in the corrosion resistance of Cu-Si alloys by forming a copper silicide protective layer on the surface of the alloys in natural seawater but, for the higher percentage of silicon content in the alloy (10 wt. per cent), sometimes, with the synergistic effect of the silici...

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Veröffentlicht in:Anti-corrosion methods and materials 1997-01, Vol.44 (3), p.195-199
Hauptverfasser: Singh, Inder, Basu, D.K, Singh, M.N, Bhattamishra, A.K, Dev, S.C
Format: Artikel
Sprache:eng
Schlagworte:
Alloys
Copper
Corrosion
Corrosion potential
Corrosion resistance
Corrosion tests
Electrodes
Handbooks
Laboratories
Marine corrosion
Metals
Protective coatings
Salt
Seawater
Silicon
Water
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Zusammenfassung:Silicon plays a vital role in the corrosion resistance of Cu-Si alloys by forming a copper silicide protective layer on the surface of the alloys in natural seawater but, for the higher percentage of silicon content in the alloy (10 wt. per cent), sometimes, with the synergistic effect of the silicide layer along with free silicon, protection takes place. Electrochemical behaviour test using computerized potentiostat galvanostat (PARC Model No. 273, EG&G, USA) immersion test in natural seawater and X-ray diffraction analysis using Simons D-500 diffractometer support the phenomenon.
ISSN:0003-5599
1758-4221
DOI:10.1108/00035599710167160