2019
DOI: 10.1016/j.triboint.2019.02.025
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The elastic-plastic contact behavior of rough surfaces with hard coatings

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Cited by 22 publications
(18 citation statements)
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“…An elastic-plastic coated rough surface contact model was presented in Ref. [241], which incorporates existing single coated asperity contact models in a GW-based statistical multi-coated-asperity surface model. Effects of the coating thickness and its material properties as well as the substrate surface roughness on the mode of the coated surface contact deformation and its contact behavior were investigated through a qualitative parametric analysis.…”
Section: Wear Modelingmentioning
confidence: 99%
“…An elastic-plastic coated rough surface contact model was presented in Ref. [241], which incorporates existing single coated asperity contact models in a GW-based statistical multi-coated-asperity surface model. Effects of the coating thickness and its material properties as well as the substrate surface roughness on the mode of the coated surface contact deformation and its contact behavior were investigated through a qualitative parametric analysis.…”
Section: Wear Modelingmentioning
confidence: 99%
“…When average normal pressure reaches the critical pressure p c , the plastic deformation begins [27]. And the critical pressure p c is obtained by where σ y is yield strength; k μ is a parameter decided by coefficient friction μ [28], and is given by Then, the critical deformation δ c and corresponding contact area a c that marks the transition from the elastic to plastic flow are given as…”
Section: Elastic Deformationmentioning
confidence: 99%
“…The material properties would be adopted as the crankshaft-bearing system in the marine engine. The crankshaft and steel back materials of the bearing are both steel materials, which could be set as the 2% linear hardening elastic-plastic material [26], while the coating (the commonly used babbitt metal SnSb11Cu6) could be set as the power-law hardening elastic-plastic materials [27]. The geometrical and material parameters are set as follows: The radius of the two asperities, R ; the coating thickness, t , of Asperity 2; the interaction, δ , between the two sliding asperities; the horizontal coordinate, w h , of Asperity 1; the Young’s modulus, E 1 , the yield strength, Y 1 , and the Poisson’s ratios, ν 1 , of Asperity 1; the Young’s modulus, E co , the yield strength, Y co , the hardening exponent, n , and the Poisson’s ratios, ν co , of the coating of Asperity 2; and the Young’s modulus, E su , the yield strength, Y su , and the Poisson’s ratios, ν su , of the substrate of Asperity 2.…”
Section: Finite Element Modelmentioning
confidence: 99%