Mechanical properties and tribological behaviour of electroless Ni–P–Cu coatings on corrosion-resistant alloys under ultrahigh contact stress with sprayed nanoparticles.
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Abstract
Threaded components manufactured from corrosion resistant alloys (CRA's) are vulnerable to galling. This paper develops a test matrix to systematically investigate the mechanical properties and tribological performance of electroless nickel phosphorous coatings on CRA's when subjected to high contact stress. Samples manufactured from 28Cr stainless steel were shot-peened for various periods prior to being electo/electroless coated. The coefficient of friction (CoF) of different coating systems was evaluated via sliding cross-pin method. Various wet and dry lubricants were utilised to examine tribological performance, furthermore the adhesion strength of the coatings was investigated by a bond and pull-off method. The study has shown a significant reduction in CoF for electroless nickel phosphorous coatings with prior shot-peening treatment and sprayed nanoparticles.Citation
Meng, M., Leech, A., and Le, H. (2019) 'Mechanical properties and tribological behaviour of electroless Ni–P–Cu coatings on corrosion-resistant alloys under ultrahigh contact stress with sprayed nanoparticles', Tribology International. doi: 10.1016/j.triboint.2019.06.031.Publisher
ElsevierJournal
Tribology InternationalDOI
10.1016/j.triboint.2019.06.031Additional Links
https://doi.org/10.1016/j.triboint.2019.06.031Type
ArticleLanguage
enISSN
0301-679XEISSN
1879-2464ae974a485f413a2113503eed53cd6c53
10.1016/j.triboint.2019.06.031
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Except where otherwise noted, this item's license is described as © 2019 Elsevier Ltd. All rights reserved.