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Corrosion properties of electrodeposited nanocrystalline and amorphous patterned Ni–W alloy
Chalmers University of Technology.
University of Tehran.
Tarbiat Modares University.
Royal Institute of Technology (KTH). (Department of Materials Science and Engineering)ORCID iD: 0000-0003-2538-8104
2009 (English)In: Materials & design, ISSN 0264-1275, ISSN 0261-3069, Vol. 30, no 4, 1356-1361 p.Article in journal (Refereed) Published
Abstract [en]

Nickel-tungsten with satisfactory corrosion properties is a promising alloy to replace hard chromium. Relatively high adhesion between copper substrate and electrodeposited Ni-W alloy results in patterned morphology due to crack formation. In this work, corrosion resistance of patterned Ni–W alloys comprising 0-26 at.%.W were studied by potentiodynamic polarization and EIS in a medium containing Cl-. It is shown that corrosion resistance of single phase Ni-W is superior to amorphous and dual phase coated layers. It is also found that crack density is the dominant affecting factor on corrosion resistance of amorphous Ni-W alloys.

Place, publisher, year, edition, pages
2009. Vol. 30, no 4, 1356-1361 p.
Keyword [en]
Corrostion, Nickel–tungsten alloy
National Category
Materials Engineering
URN: urn:nbn:se:uu:diva-182865DOI: 10.1016/j.matdes.2008.06.036OAI: oai:DiVA.org:uu-182865DiVA: diva2:561137
Available from: 2012-10-17 Created: 2012-10-17 Last updated: 2015-02-01

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Publisher's full texthttp://www.sciencedirect.com/science/article/pii/S0261306908002768

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