Fundamental understanding of the tribological and thermal behavior of Ag–MoS2 nanoparticle-based multi-component lubricating system

Zhang, Wenyang; Demydov, Dmytro; Jahan, Muhammad P.; Mistry, Kuldeep; Erdemir, Ali; Malshe, Ajay P.

doi:10.1016/j.wear.2012.03.003

Cited by 83 publications

(39 citation statements)

References 18 publications

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“…Multilayer materials such as molybdenum disulfide (MoS 2 ) have attracted lots of attention as both solid lubricants and additives in lubricating oils [1][2][3][4][5][6]. These studies have shown that MoS 2 may reduce frictional shearing by a mechanism of interlayer slippage, deformation, and exfoliation [7] .…”

Section: Introductionmentioning

confidence: 99%

Synergistic lubricating behaviors of graphene and MoS2 dispersed in esterified bio-oil for steel/steel contact

Peng

Dearn

et al. 2015

Wear

137

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Graphene and MoS 2 were dispersed in Esterified Bio-Oil (EBO) and evaluated as lubricants for steel/steel contact. The tribological behaviors of steel/steel pairs were investigated under lubrication of graphene/MoS 2 blends with different mass ratios, loads and rotating speeds.The micro-morphologies of the worn surfaces were observed by optical and Scanning Electron Microscopy (SEM). The components of the additives and chemical valences of the elements on the rubbed surfaces were analyzed using Raman and X-ray Photoelectron Spectroscopy (XPS). A synergistic lubricating effect for both graphene and MoS 2 with contents of 0.5 wt.% as additives dispersed in EBO was observed that reduced the friction coefficient and wear of the steel specimens under boundary lubrication regime conditions. This was ascribed to the formation of a thicker adsorbed tribo film containing graphene, MoS 2 and organics from the EBO. Graphene was shown to improve the retention of MoS 2 on the frictional surfaces and prevent oxidation during rubbing.MoS 2 , on the other hand, prevented the graphene from being ground into small and defective platelets. Corresponding author. Tel/

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Section: Introductionmentioning

confidence: 99%

Synergistic lubricating behaviors of graphene and MoS2 dispersed in esterified bio-oil for steel/steel contact

Peng

Dearn

et al. 2015

Wear

137

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“…Therefore, additional lubricious phases, such as graphite/DLC or MoS 2 , have been introduced in the nanocomposite to generate dual-phase lubricating materials which provide adaptive lubrication over an extended temperature range. An Ag-MoS 2 nanoparticle-based multi-component lubricating system was developed to improve the durability and to enhance the tribological and thermal properties of MoS 2 [42]. The silver and MoS 2 in the coating provided adequate lubrication at lowtemperature.…”

Section: Other Blendingmentioning

confidence: 99%

A State-of-the-art overview

Zhang

Dong

2014

Manufacturing Rev.

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Ever-increasing demand for severe work conditions, high-performance and long-life has been drivers for developing new low-friction and wear resistant coatings and surfaces for high temperature forming tools. This paper provides an overview on the recent development of coatings and modified surfaces to minimise friction and wear between contact surfaces in high-temperature working environments. This overview covers the major progresses in: (1) nanocomposite coatings based on transition metal nitrides and oxides, and the blending with solid lubricants such as silver and (2) multi-layered coatings with different combinations of hard and/or lubricating layers and duplex systems with solid lubricants on textured hard coatings and nanotubes. The challenges and future directions towards long-life and sustainable low-friction and wear-resistant coatings and surfaces for high-temperature forming tools are discussed.

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“…The common practice is to introduce some solid lubricating phases into the ceramic matrix to reduce the friction coefficient and enhance wear resistance . Among these solid lubricating phases, silver (Ag) has received a widespread attention due to its desirable ductility and thermochemical stability at moderate temperature, which can form a thin silver film with low shear force between the sliding interfaces to provide the plastically shear, resulting in the excellent lubricating function.…”

Section: Introductionmentioning

confidence: 99%

“…The common practice is to introduce some solid lubricating phases into the ceramic matrix to reduce the friction coefficient and enhance wear resistance. [7][8][9] Among these solid lubricating phases, silver (Ag) has received a widespread attention due to its desirable ductility and thermochemical stability at moderate temperature, which can form a thin silver film with low shear force between the sliding interfaces to provide the plastically shear, resulting in the excellent lubricating function. In general, the Ag is either: (i) incorporated as lubricating phase of hard coatings by magnetron sputtering and pulsed laser deposition 10 or (ii) added directly into material matrices by powder metallurgy method (PM) to prepare the Ag-containing composites.…”

Section: Introductionmentioning

confidence: 99%

A novel method to prepare self‐lubricity of Si₃N₄/Ag composite: Microstructure, mechanical and tribological properties

et al. 2018

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Si3N4/Ag composites were firstly prepared through SPS technology, using Si3N4 and AgNO3 as raw materials. Utilizing the coordination bonding of Ag+ ions with nitrogen atoms of Si3N4, in situ generated Ag particles about 1 μm were tightly anchored on Si3N4 surface, thereby preventing the outflow of silver during sintering process. Meanwhile, smaller silver particles about 20 nm were located at the grain boundaries of Si3N4, which effectively improved the mechanical and tribological properties of Si3N4‐based composites. Finally, the Si3N4/Ag composites reinforced by Ag particles showed a friction coefficient of 0.48 ± 0.01, wear rate of 1.79 × 10−6 mm3 N−1 m−1 and fracture toughness of 7.05 ± 0.2 MPa m1/2, respectively.

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Fundamental understanding of the tribological and thermal behavior of Ag–MoS2 nanoparticle-based multi-component lubricating system

Cited by 83 publications

References 18 publications

Synergistic lubricating behaviors of graphene and MoS2 dispersed in esterified bio-oil for steel/steel contact

Synergistic lubricating behaviors of graphene and MoS2 dispersed in esterified bio-oil for steel/steel contact

A State-of-the-art overview

A novel method to prepare self‐lubricity of Si₃N₄/Ag composite: Microstructure, mechanical and tribological properties

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Fundamental understanding of the tribological and thermal behavior of Ag–MoS2 nanoparticle-based multi-component lubricating system

Cited by 83 publications

References 18 publications

Synergistic lubricating behaviors of graphene and MoS2 dispersed in esterified bio-oil for steel/steel contact

Synergistic lubricating behaviors of graphene and MoS2 dispersed in esterified bio-oil for steel/steel contact

A State-of-the-art overview

A novel method to prepare self‐lubricity of Si3N4/Ag composite: Microstructure, mechanical and tribological properties

Contact Info

Product

Resources

About

A novel method to prepare self‐lubricity of Si₃N₄/Ag composite: Microstructure, mechanical and tribological properties