Conductive and tribological properties of TiN-Ag composite coatings under grease lubrication

Epoxy composite coating systems generally find their usage in applications such as, fluid handling systems to protect components from corrosive media. However, their use in demanding tribological applications such as, in sliding components of machines, are known to be limited. This is often attributed to their low load bearing capacity combined with poor thermal stability under severe p-v regimes. Researchers have tried to enhance the tribological properties of the epoxy coatings using a combination of several types of micro/nano sized fillers to produce composite or hybrid composite coatings. Hence, this review paper aims to focus on the recent advances made in developing the epoxy coating systems. Special attention would be paid to the types and properties of nano-fillers that have been commonly used to develop these coatings, different dispersion techniques adopted and the effects that each of these fillers (and their combinations) have on the tribological properties of these coatings.

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Phase transformation and tribological properties of Ag-MoO 3 contained NiCrAlY based composite coatings fabricated by laser cladding

Optics & Laser Technology ◽

10.1016/j.optlastec.2017.02.006 ◽

2017 ◽

Vol 93 ◽

pp. 79-86 ◽

Cited By ~ 7

Author(s):

Lingqian Wang ◽

Jiansong Zhou ◽

Benbin Xin ◽

Youjun Yu ◽

Shufang Ren ◽

...

Keyword(s):

Phase Transformation ◽

Laser Cladding ◽

Tribological Properties ◽

Composite Coatings

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Enhanced tribological properties of PEEK ‐based composite coatings reinforced by PTFE and graphite

Journal of Applied Polymer Science ◽

10.1002/app.51878 ◽

2021 ◽

pp. 51878

Author(s):

Yuwen Liao ◽

Lin Cao ◽

Qiwei Wang ◽

Shuangjian Li ◽

Zhidan Lin ◽

...

Keyword(s):

Tribological Properties ◽

Composite Coatings

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Electroless Nickel-Phosphorus Composite Coatings

International Journal of Manufacturing Materials and Mechanical Engineering ◽

10.4018/ijmmme.2016010102 ◽

2016 ◽

Vol 6 (1) ◽

pp. 14-50 ◽

Cited By ~ 4

Author(s):

Prasanna Gadhari ◽

Prasanta Sahoo

Keyword(s):

Corrosion Resistance ◽

Tribological Properties ◽

Composite Coatings ◽

Electroless Nickel ◽

Friction Behavior ◽

Factors Affecting ◽

Conductive Materials ◽

Mechanical And Tribological Properties ◽

Coating Methods ◽

Soft Particles

Electroless nickel composite coatings possess excellent mechanical and tribological properties such as, hardness, wear and corrosion resistance. Composite coatings can easily be coated not only on electrically conductive materials but also on non-conductive materials like as fabrics, plastics, rubber, etc. This review emphasizes on the development of electroless nickel composite coatings by incorporating different types of hard/soft particles (micro/nano size) in the electroless Ni-P matrix to improve the mechanical and tribological properties of the coatings. The preparation of electroless bath for nickel-phosphorus composite coating, methods to incorporate hard and/or soft particles in the bath, factors affecting the particle incorporation in the coating and its effect on coating structure, hardness, wear resistance, friction behavior, corrosion resistance, and mechanical properties are discussed thoroughly.

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Role of Mo on tribological properties of atmospheric plasma-sprayed Mo-NiCrBSi composite coatings under dry and oil-lubricated conditions

Journal of Alloys and Compounds ◽

10.1016/j.jallcom.2017.08.195 ◽

2017 ◽

Vol 727 ◽

pp. 841-850 ◽

Cited By ~ 24

Author(s):

Chao Zhang ◽

Liming Liu ◽

Haifeng Xu ◽

Jinkun Xiao ◽

Ga Zhang ◽

...

Keyword(s):

Tribological Properties ◽

Composite Coatings ◽

Atmospheric Plasma ◽

Plasma Sprayed

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The Effect of Elemental Composition and Nanostructure of Multilayer Composite Coatings on Their Tribological Properties at Elevated Temperatures

10.5772/intechopen.93973 ◽

2020 ◽

Author(s):

Alexey Vereschaka ◽

Sergey Grigoriev ◽

Vladimir Tabakov ◽

Mars Migranov ◽

Nikolay Sitnikov ◽

...

Keyword(s):

Elemental Composition ◽

Coefficient Of Friction ◽

Tribological Properties ◽

Elevated Temperatures ◽

Composite Coatings ◽

Multilayer Composite ◽

The Coefficient Of Friction ◽

The Relationship ◽

Tribological Parameters ◽

Adhesion Component

The chapter discusses the tribological properties of samples with multilayer composite nanostructured Ti-TiN-(Ti,Cr,Al,Si)N, Zr-ZrN-(Nb,Zr,Cr,Al)N, and Zr-ZrN-(Zr,Al,Si)N coatings, as well as Ti-TiN-(Ti,Al,Cr)N, with different values of the nanolayer period λ. The relationship between tribological parameters, a temperature varying within a range of 20–1000°C, and λ was investigated. The studies have found that the adhesion component of the coefficient of friction (COF) varies nonlinearly with a pronounced extremum depending on temperature. The value of λ has a noticeable influence on the tribological properties of the coatings, and the nature of the mentioned influence depends on temperature. The tests found that for the coatings with all studied values of λ, an increase in temperature first caused an increase and then a decrease in COF.

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