Wear Resistance of Hardened Nanocrystalline Structures in the Course of Friction of Steel-Grey Cast Iron Pair in Oil-Abrasive Medium

Hurey, Ihor; Hurey, Tetyana; Gurey, Volodymyr

doi:10.1007/978-3-030-22365-6_57

Cited by 4 publications

(2 citation statements)

References 13 publications

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“…It was demonstrated [31] that it enables the formation of a nanostructure with a lower energy expenditure and higher dislocation density and, therefore, with a lower grain size in the top surface layer and a greater thickness compared with that which is generated using unidirectional deformation. The application of a multidirectional SPD resulted in increasing wear resistance, contact, and corrosion fatigue, and the decreasing hydrogen permeability of the nanostructured materials [11,[32][33][34][35][36].…”

Section: Introductionmentioning

confidence: 99%

The Mode Deformation Effect on Surface Nanocrystalline Structure Formation and Wear Resistance of Steel 41Cr4

et al. 2023

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A surface nanocrystalline steel layer in the low alloy steel 41Cr4 was fabricated by using mechanical-pulse treatment (MPT) with different deformation modes. The structure parameters, the physical and mechanical properties, the wear resistance, and the surface topography parameters of the treated steel depending on the deformation mode were investigated. A tool with a smooth working surface was used for inducing unidirectional deformation in the top surface layer (shear), and a tool with the oppositely directed grooves was used for generating multidirectional deformation. The surface layer with a nanocrystalline structure formed by MPT using both of the tools was characterised by enhanced mechanical properties and wear resistance compared with those of the untreated or heat-treated steels. Inducing multidirectional deformation during the MPT resulted in a decrease in the grain size and an increase in the depth and microhardness of the surface layer due to it facilitating the generation of dislocations compared to those formed under unidirectional deformation. The results also demonstrated that favourable surface topography parameters providing the highest wear resistance of the steel were obtained at MPT using multidirectional deformation.

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Section: Introductionmentioning

confidence: 99%

The Mode Deformation Effect on Surface Nanocrystalline Structure Formation and Wear Resistance of Steel 41Cr4

et al. 2023

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“…This treatment combines two methods: the action of a highly concentrated energy source and the intense plastic deformation of the metal of the surface layer of the treated surfaces [41,42]. A highly concentrated energy source arises in the process of the high-speed friction (60-90 m/s) of the tool on the treated surface in the contact zone [43,44]. The local contact zone is heated at a high rate (5 × 10 5 -4 × 10 6 K/s) to temperatures above the phase transition point of the metal being processed [45].…”

Section: Introductionmentioning

confidence: 99%

Resistance to Wear during Friction without Lubrication of Steel-Cast Iron Pairing with Nanocrystalline Structure-Reinforced Surface Layers

Hurey,

Maruschak,

Augousti

et al. 2023

Lubricants

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During the TDT of 41Cr4 steel specimens, a uniformly reinforced white layer with a nano-crystalline structure is formed in the surface layers. The wear resistance of sliding friction without the lubrication of a pair of steel 41Cr4—grey cast iron EN-GJL-200 (EN) under the face-to-face (“ring-ring”) scheme has been studied. It is revealed that when the sliding velocity changes from 0.25 m/s to 4 m/s and the unit load changes from 0.2 MPa to 1.0 MPa, a pair with a reinforced surface layer on 41Cr4 steel specimens and unreinforced specimens of EN-GJL-200 (EN) grey cast iron has a higher wear resistance than an unreinforced pair. The wear resistance increases for both reinforced and not reinforced specimens operating in a friction pair.

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The Wear Resistance During Oscillating Friction of Steel Specimens with Strengthened Nanocrystalline Layers

Hurey,

Gurey,

Hurey

et al. 2023

Lecture Notes in Mechanical Engineering

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Wear Resistance of Hardened Nanocrystalline Structures in the Course of Friction of Steel-Grey Cast Iron Pair in Oil-Abrasive Medium

Cited by 4 publications

References 13 publications

The Mode Deformation Effect on Surface Nanocrystalline Structure Formation and Wear Resistance of Steel 41Cr4

The Mode Deformation Effect on Surface Nanocrystalline Structure Formation and Wear Resistance of Steel 41Cr4

Resistance to Wear during Friction without Lubrication of Steel-Cast Iron Pairing with Nanocrystalline Structure-Reinforced Surface Layers

The Wear Resistance During Oscillating Friction of Steel Specimens with Strengthened Nanocrystalline Layers

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