The Tribological Performance of Black Oxide Coating in Rolling/Sliding Contacts

Brizmer, Victor; Stadler, Kenred; Drogen, Mark van; Han, Bo; Matta, C.; Piras, Enrica

doi:10.1080/10402004.2016.1186258

Cited by 23 publications

(24 citation statements)

References 17 publications

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“…Another approach has been to use steels treated with black oxide. This generates soft, thin passivating iron oxide tribofilms that offer corrosion protection, some wear resistance and reduce hydrogen embrittlement until the layer is gradually removed by the contact friction 20,21 .…”

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confidence: 99%

Hydrocarbon Lubricants Can Control Hydrogen Embrittlement

Ratoi

Tanaka

Mellor

et al. 2020

Sci Rep

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While it is well known that during Rcf tests the formation of nascent catalytic sites on the wear track can break down hydrocarbon molecules to release atomic hydrogen, the potential of the hydrogen environment in fuel cells to hydrocrack the hydrocarbon lubricant in high pressure rolling contacts has so far been ignored. Here we investigate for the first time the ability of the hydrogen environment to generate a chemical tribofilm on the wear track most likely through lubricant hydrocracking, as compared with argon and air environments. Despite the ability of the hydrogen environment to generate a notably larger amount of atomic hydrogen, the chemical tribofilm significantly prevents the formation of atomic hydrogen and its subsequent diffusion through the lattice of steel rolling element bearings. this is of great importance in the lubrication of hydrogen technology and the prevention of Hydrogen embrittlement (He). An investigation into the prospects of high energy micro-computedtomography (Micro-ct) as a non-destructive technique for sub-surface damage characterisation in Rcf was comparatively performed alongside traditional sectioning methods.

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confidence: 99%

Hydrocarbon Lubricants Can Control Hydrogen Embrittlement

Ratoi

Tanaka

Mellor

et al. 2020

Sci Rep

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“…In this way, it will also protect them from mild chemical attacks (mild corrosion), rather than pretending staying untouched covering uniformly the steel surface. This is the case for black oxide coating, 44 which could be a rolling bearing performance improver in mild severity conditions of poor lubrication with oil-refrigerant mixture. An alternative to avoid corrosion is zinc-coated bearings.…”

Section: Coatingsmentioning

confidence: 99%

Progress in rolling bearing technology for refrigerant compressors

Morales-Espejel

Wallin²,

Hauleitner

et al. 2017

Proceedings of the Institution of Mechanical Engineers, Part C:

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The paper describes the latest technological solutions in rolling bearings (ball and roller) used in refrigerant compressors. First, the numerous tribological challenges faced by rolling contacts in a lubricant environment made of oil and refrigerant mixture are discussed. It is followed by a description of the even tougher conditions derived by the replacement of the more chemically stable pre-Montreal and pre-Kyoto Protocol refrigerants by the new generation of more environmental friendly refrigerants. In these conditions, rolling bearings are expected to suffer from surface distress and sometimes corrosion fatigue. Thus, attempts to model these conditions by using advanced tribological models are described. Finally, descriptions of different solutions in rolling bearings in refrigerant compressors facing challenges in lubrication and bearing life are described, all the way from traditional oil–refrigerant mixture lubrication up to the latest innovation related to oil-free lubrication, namely the pure refrigerant lubrication.

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“…This effect can also be achieved by applying functional coatings [24]. An increase in the content of solid inclusions, such as carbides, nitrides, and oxides, improves wear resistance of the alloy, but negatively affects the wear of the steel counterbody [27,28].…”

Section: Introductionmentioning

confidence: 99%

Tribochemical Interaction of Multicomponent Aluminum Alloys During Sliding Friction with Steel

et al. 2020

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In this work, aluminum multicomponent alloys were studied after friction with steel in a mixed lubrication regime. The resulting secondary structures on the friction surface were investigated by scanning electron microscopy (SEM), energy dispersive analysis (EDX), X-ray photoelectron spectroscopy (XPS), and X-ray diffraction analysis (XRD). In addition to the mass transfer of steel counterbody particles, phase transformations and new chemical compounds formed as a result of interaction with the lubricant were revealed. The release of elements, mainly magnesium and to a lesser extent zinc, from a solid solution of aluminum alloy was also observed, which indicates the occurrence of a non-spontaneous reaction with a negative entropy production.

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The Tribological Performance of Black Oxide Coating in Rolling/Sliding Contacts

Cited by 23 publications

References 17 publications

Hydrocarbon Lubricants Can Control Hydrogen Embrittlement

Hydrocarbon Lubricants Can Control Hydrogen Embrittlement

Progress in rolling bearing technology for refrigerant compressors

Tribochemical Interaction of Multicomponent Aluminum Alloys During Sliding Friction with Steel

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