Dependence of antifriction properties of multicomponent tribosystems on nature of secondary structures on friction surfaces

Миронов, А. Е.; Toder, I. A.

doi:10.3103/s1068366613050103

Cited by 2 publications

(2 citation statements)

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“…Particularly, oil‐free and lead‐free self‐lubricated materials are desiderated in the massive frictional components of marine systems that work in seawater medium, such as seawater desalting plant and seawater fire‐fighting pump. Aluminum–bronze (CuAl) alloy is an important candidate as a lead‐free and self‐lubricated material in the marine system in consideration of its good friction‐reducing and anti‐corrosion properties . CuAl is a copper‐based alloy with 5–14% Al, which can greatly increase the strength and maintain the friction‐reducing property of the copper matrix.…”

Section: Introductionmentioning

confidence: 99%

“…Aluminum-bronze (CuAl) alloy is an important candidate as a lead-free and self-lubricated material in the marine system in consideration of its good friction-reducing and anti-corrosion properties. [4][5][6][7] CuAl is a copper-based alloy with 5-14% Al, which can greatly increase the strength and maintain the friction-reducing property of the copper matrix. Additionally, through plasma spraying, CuAl coating can be easily deposited on corrosion/wear sensitive substrates with hardly any harmful effect because of the avoidance of intensive heat input during plasma spraying.…”

Section: Introductionmentioning

confidence: 99%

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Sliding friction and wear behaviors of plasma sprayed aluminum-bronze coating in artificial seawater

Yang

Hou

et al. 2014

Surf. Interface Anal.

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The friction and wear behaviors of plasma sprayed aluminum–bronze (CuAl) coating sliding against silicon nitride (Si3N4) in artificial seawater were investigated and compared with those in pure water and dry sliding. The morphologies of the worn surfaces were analyzed by three‐dimensional non‐contact surface mapping and scanning electron microscopy. Moreover, chemical states of the tribochemical products of CuAl/Si3N4 in seawater were characterized by X‐ray photoelectron spectroscopy. Results show that the plasma sprayed CuAl coating possessed a specific wear rate (in order of 10−7 mm3/Nm) in seawater more than 600 times smaller than that in dry sliding due to the great alleviation in abrasion wear and splats delamination. Besides, the CuAl/Si3N4 had a friction coefficient of 0.06 in seawater, significantly lower and more stable than those in pure water and dry sliding. The tribochemical products of CuAl/Si3N4 in seawater, which were proved to be silica, alumina, and their hydrates, transformed into a loosened wear‐debris layer under the coagulation effect of the seawater and dominated the excellent lubrication state in artificial seawater. Copyright © 2014 John Wiley & Sons, Ltd.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%