The effect of chemical and phase composition on collective and selective corrosion of Ti-(0-3)% Ni alloys
Journal Article
·
· Protection of Metals
OSTI ID:166756
- Inst. of Physical Chemistry, Moscow (Russian Federation)
Nickel additions to hot acidified salt solutions increase the passivability and pitting-corrosion resistance of titanium. This effect is attributed to the cathodic efficiency of back-deposited nickel or intermetallic Ti{sub 2}Ni. The Ti{sub 2}Ni phase in the alloy increases the corrosion resistance of titanium considerably more than does nickel in the solid solution. In aggressive corrosion environments where the alloy is active, a slight addition of nickel increases the titanium-corrosion rate. The mechanism whereby nickel affects the active corrosion and passivation of titanium has been insufficiently studied.
- OSTI ID:
- 166756
- Journal Information:
- Protection of Metals, Journal Name: Protection of Metals Journal Issue: 2 Vol. 30; ISSN 0033-1732; ISSN PTNMAR
- Country of Publication:
- United States
- Language:
- English
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