Ni-W Electrodeposited Coatings on Low Carbon Steel Substrate: Fatigue ObservationsReport as inadecuate




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Journal of Materials Engineering and Performance

, Volume 23, Issue 10, pp 3459–3466

First Online: 15 July 2014Received: 20 March 2014Revised: 17 June 2014

Abstract

The fatigue response of electrodeposited Ni-W on low carbon steel substrate was studied. The considered Ni-W coatings are a promising substitute for toxic hard chromium coatings which, according to EU directives 2000-53-WE, 2011-37-UE, must be eliminated. Specimens of pure substrate and those covered by coating were compared. Coated specimens exhibited lower fatigue resistance under higher stress amplitudes than their non-coated counterparts in stress-controlled fatigue experiments. However, at lower stress amplitudes, the fatigue strength of both specimen types was similar. The cyclic softening of the coatings was demonstrated using indentation techniques.

Keywordsfatigue hardness indentation low carbon steel substrate Ni-W coatings S-N curve  Download fulltext PDF



Author: K. P. Mroz - A. Bigos - S. Kucharski - K. Dolinski - E. Bełtowska-Lehman

Source: https://link.springer.com/







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