Effect of Chromium Diboride Additives in Intermetallic Matrix on the Corrosion Resistance of NiAl-CrB.sub.2 Composites in Sea Water

Effect of Chromium Diboride Additives in Intermetallic Matrix on the Corrosion Resistance of NiAl-CrB.sub.2 Composites in Sea Water

The effect of the amount of chromium diboride additives in the NiAl intermetallic alloy on the corrosion resistance of composites in a 3 % NaCl aqueous solution simulating sea water, using anodic polarization curves, is studied. It is demonstrated that the introduction of more corrosionresistant com...

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Veröffentlicht in:Powder metallurgy and metal ceramics 2016-07, Vol.55 (3-4), p.195
Hauptverfasser: Lavrenko, V. A, Umanskii, A. P, Polyarus, E. N, Talash, V. N, Shvets, V. A, Kapitanchuk, L. M
Format: Artikel
Sprache:eng
Schlagworte:
Alloys
Chromium
Corrosion and anti-corrosives
Intermetallic compounds
Sea-water
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Zusammenfassung:The effect of the amount of chromium diboride additives in the NiAl intermetallic alloy on the corrosion resistance of composites in a 3 % NaCl aqueous solution simulating sea water, using anodic polarization curves, is studied. It is demonstrated that the introduction of more corrosionresistant components (chromium diboride) into the NiAl intermetallic alloy has no significant effect on the durability of such composites in sea water. The basic mechanisms of corrosion in the developed composite materials in corrosive aqueous medium are established.
ISSN:1068-1302
DOI:10.1007/s11106-016-9794-z