Study on Tribological Behaviors of FeS Solid Lubrication Duplex Layer under n-Fe3O4 Additive Lubricating

C.H. Hu; Feng Jun Qi; Hai Jiang; Qian Liu; Xin Zhang; Jun Cao

doi:10.4028/www.scientific.net/AMR.652-654.1427

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 652-654Study on Tribological Behaviors of FeS Solid...

Study on Tribological Behaviors of FeS Solid Lubrication Duplex Layer under n-Fe₃O₄ Additive Lubricating

Abstract:

FeS solid lubrication duplex layer was prepared on the surface of 45 steel by ion nitrocarburizing and ion sulphurizing process. The sulphide grains in micron and nano scale and holes distributing equably on the duplex layer. The duplex layer is composed of FeS, FeS2 and Fe3N. Under liquid paraffin oil with 0.2wt%n-Fe3O4 lubricating, the synergistic effect between n-Fe3O4 and the duplex layer is produced, and the chemical reaction films including sulphide, sulphate and nitride is formed, which makes the friction factor of the duplex layer keep being the lowest and about 0.075, and the volume loss is reduced by 91% than that of the plain surface, and reduced by 89% and 21% than that of the sulphurized surface and the nitrocarburized surface, respectively.

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Periodical:

Advanced Materials Research (Volumes 652-654)

Pages:

1427-1431

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.652-654.1427

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Online since:

January 2013

Authors:

C.H. Hu, Feng Jun Qi, Hai Jiang, Qian Liu, Xin Zhang, Jun Cao

Keywords:

Chemical Reaction Film, FeS Solid Lubrication Duplex Layer, N-Fe₃O₄, Tribological Behavior

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