Articles with "boundary lubrication" as a keyword



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Antiwear tribofilm growth in rolling bearings under boundary lubrication conditions

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Published in 2017 at "Tribology International"

DOI: 10.1016/j.triboint.2017.03.030

Abstract: Abstract Zinc dialkyldithiophosphates (ZDDP) are applied as a lubricant additive for wear protection in rolling bearing applications. Chemical interactions between the additive and the bearing material lead to the formation of a tribofilm on the… read more here.

Keywords: lubrication conditions; growth; boundary lubrication; tribofilm growth ... See more keywords
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Tribological behaviour of TiO2 Atmospheric Plasma Spray (APS) coating under mixed and boundary lubrication conditions in presence of oil containing MoDTC

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Published in 2018 at "Tribology International"

DOI: 10.1016/j.triboint.2017.10.003

Abstract: Abstract Tribological behaviour of steel APS coating and TiO 2 APS coating was investigated and compared with reference steel material under boundary lubrication in presence of MoDTC. Significant friction and wear reduction was observed in… read more here.

Keywords: boundary lubrication; aps coating; modtc; steel ... See more keywords
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Comparison of unidirectional and reciprocating tribometers in tests with MoDTC-containing oils under boundary lubrication

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Published in 2020 at "Tribology International"

DOI: 10.1016/j.triboint.2019.03.044

Abstract: Abstract Friction reduction is a relevant topic in internal combustion engines (ICE), due to the usual concern of increasing efficiency and reducing pollutant gas emissions. Many lubricant additives intended to reduce friction, commonly classified as… read more here.

Keywords: boundary lubrication; microscopy; spectroscopy; modtc containing ... See more keywords
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Investigating the micropitting and wear performance of copper oxide and tungsten carbide nanofluids under boundary lubrication

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Published in 2019 at "Wear"

DOI: 10.1016/j.wear.2019.03.007

Abstract: Abstract The potential of copper oxide (CuO) and tungsten carbide (WC) nanofluids in enhancing micropitting and wear behavior of AISI 8620 steel under boundary lubrication conditions was investigated. The nanofluids consisted of 1% nanoparticles by… read more here.

Keywords: boundary lubrication; micropitting wear; carbide nanofluids; copper oxide ... See more keywords
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Boundary Lubrication Mechanisms for High-Performance Friction Modifiers.

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Published in 2018 at "ACS applied materials & interfaces"

DOI: 10.1021/acsami.8b11075

Abstract: We recently reported a new molecular heterocyclic friction modifier (FM) that exhibits excellent friction and wear reduction in the boundary lubrication regime. This paper explores the mechanisms by which friction reduction occurs with heterocyclic alkyl-cyclen… read more here.

Keywords: boundary lubrication; friction; lubrication mechanisms; high performance ... See more keywords
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Complexation and synergistic boundary lubrication of porcine gastric mucin and branched poly(ethyleneimine) in neutral aqueous solution.

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Published in 2017 at "Soft matter"

DOI: 10.1039/c6sm01801g

Abstract: Lubrication of soft polydimethylsiloxane (PDMS) elastomer interfaces was studied in aqueous mixtures of porcine gastric mucin (PGM) and branched polyethyleneimine (b-PEI) at neutral pH and various ionic strengths (0.1-1.0 M). While neither PGM nor b-PEI… read more here.

Keywords: lubrication; pgm pei; boundary lubrication; porcine gastric ... See more keywords
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Tribofilm formation on the VN/7075 composite surface under sulfur-containing boundary lubrication

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Published in 2020 at "Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology"

DOI: 10.1177/1350650120930165

Abstract: In this paper, Al7075 alloy and 15 wt% VN/7075 composite were prepared by ball milling and hot-press sintering. The microstructure, hardness, and wear behavior under different working conditions (environmental condition: dry friction, sulfur-containing boundary lubrication, and… read more here.

Keywords: lubrication; boundary lubrication; 7075 composite; containing boundary ... See more keywords
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Effect of Plastic Deformation and Damage Development during Friction of fcc Metals in the Conditions of Boundary Lubrication

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Published in 2019 at "Lubricants"

DOI: 10.3390/lubricants7050045

Abstract: The main goal of the presented work was the analysis of the interaction between deformed microstructures and friction and the wear properties of four face centered cubic (fcc) metals. Pure fcc metals such as Ag,… read more here.

Keywords: boundary lubrication; friction wear; fcc metals; friction ... See more keywords