2D FEM Investigation of Residual Stress in Diamond Burnishing

Felhő, Csaba; Varga, Gyula

doi:10.3390/jmmp6050123

Cited by 6 publications

(4 citation statements)

References 45 publications

(56 reference statements)

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“…The problem was solved in a two-dimensional approximation in a dynamic coupled thermomechanical formulation, which made it possible to study in sufficient detail the stress and strain state in the contact area and the effect of elevated temperatures on it due to the formation of heat during plastic deformation and friction sliding. The presented finite element model is the development of the model proposed earlier by the authors [12]. The indenter was modeled with a rigid body, and the elastoplastic Johnson-Cook model was used to describe the behavior of steel.…”

Section: Discussionmentioning

confidence: 99%

“…The study of compression stresses and axial residual stresses during the diamond burnishing of EN 1.4301 steel with a spherical indenter R = 3.5 mm by the 2D FEM method was carried out in the work of C. Felhő and G. Varga [12]. The simulation takes into account the friction coefficient and the initial surface roughness after preliminary turning.…”

Section: Korzynski Et Al's Workmentioning

confidence: 99%

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Finite Element Simulation and Experimental Investigation of Nanostructuring Burnishing AISI 52100 Steel Using an Inclined Flat Cylindrical Tool

et al. 2023

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This article is devoted to the development of a sliding burnishing scheme using a flat cylindrical indenter. The previously established patterns of nanostructured state formation in the AISI 52100 steel subsurface layer showed a need to create a special tool with a variable tilt angle of the indenter and with force regulation. A new tool with a cubic boron nitride indenter opens wide possibilities for nanostructuring burnishing of hardened bearing steel. Firstly, a flat cylindrical indenter has high durability due to repeated rotation around its axis. Secondly, the change of the tilt angle to the treated surface allows controlling the contact compression pressure and plastic shear deformation, which determines the formation of a nanostructured state of the material by the method of severe plastic deformation (SPD). The purpose of the work is to determine the optimal parameters of the process and tool in order to form a nanostructure and significantly increase surface layer microhardness. The goal was achieved by the methods of finite element modeling (FEM) and experimental studies of burnishing when the indenter tilt angle changes from 0.5° to 2.5° under dry processing conditions. Numerical simulation of the process made it possible to establish optimal values of the indenter tilt angle of 2° and the burnishing force 250 N according to the criteria of maximum contact pressure and cumulative deformation. The experimental studies of cumulative deformations and the coefficient of friction by the method of burnishing a split disc and dynamometry of the process confirmed the FEM results. The transmission microscopy, durometry, and 3D surface profilometry showed the sensitivity of nanocrystallite sizes, microhardness, and roughness to an indenter tilt angle and confirmed the optimality of the established tilt angle value.

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Section: Discussionmentioning

confidence: 99%

Section: Korzynski Et Al's Workmentioning

confidence: 99%

Finite Element Simulation and Experimental Investigation of Nanostructuring Burnishing AISI 52100 Steel Using an Inclined Flat Cylindrical Tool

et al. 2023

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“…In recent years, many studies have been devoted to improving the surface integrity (SI) and operating behavior (wear, corrosion and fatigue resistance) of CNASS components by means of static SCW methods: ball burnishing [6][7][8][9][10][11][12][13][14][15][16][17][18][19][20][21], roller burnishing [6,[22][23][24][25] and DB [2][3][4][26][27][28][29][30][31][32][33][34][35]. There are relatively few studies devoted to improvement in the fatigue behavior of CNASS components by means of SCW [2][3][4][8][9][10][11][12][13]18,23].…”

Section: Introductionmentioning

confidence: 99%

Improvement in Fatigue Strength of Chromium–Nickel Austenitic Stainless Steels via Diamond Burnishing and Subsequent Low-Temperature Gas Nitriding

Maximov,

Duncheva,

Anchev

et al. 2024

Applied Sciences

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Chromium–nickel austenitic stainless steels are widely used due to their high corrosion resistance, good weldability and deformability. To some extent, their application is limited by their mechanical characteristics. As a result of their austenitic structure, increasing the static and dynamic strength of the components can be achieved by surface cold work. Due to the tendency of these steels to undergo intercrystalline corrosion, another approach to improving their mechanical characteristics is the use of low-temperature thermo-chemical diffusion processes. This article proposes a new combined process based on sequentially applied diamond burnishing (DB) and low-temperature gas nitriding (LTGN) to optimally improve the fatigue strength of 304 steel. The essence of the proposed approach is to combine the advantages of the two processes (DB and LTGN) to create a zone of residual compressive stresses in the surface and subsurface layers—the enormous surface residual stresses (axial and hoop) introduced by LTGN, with the significant depth of the compressive zone characteristic of static surface cold working processes. DB (both smoothing and single-pass hardening), in combination with LTGN, achieves a fatigue limit of 600 MPa, an improvement of 36.4% compared to untreated specimens. Individually, smoothing DB, single-pass DB and LTGN achieve 540 MPa, 580 MPa and 580 MPa, respectively. It was found that as the degree of plastic deformation of the surface layer introduced by DB increases, the content of the S-phase in the nitrogen-rich layer formed by LTGN decreases, with a resultant increased content of the ε-phase and a new (also hard) phase: stabilized nitrogen-bearing martensite.

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“…Furthermore, the depth of pressing was identified as the most influential parameter affecting the hardness and hardening depth. The results of the conducted research by Felhȍ C., Varga G. [ 28 ] indicate that the diamond burnishing process improved the residual stress properties of EN1.4301 austenitic stainless steel by creating a relatively high compressive stress, whose magnitude was between 629 and 1138 MPa depending on the applied force. However, the stress distribution is not uniform; it is mostly concentrated under the roughness peaks.…”

Section: Introductionmentioning

confidence: 99%

The Influence of the Burnishing Process on the Change in Surface Hardness, Selected Surface Roughness Parameters and the Material Ratio of the Welded Joint of Aluminum Tubes

Labuda,

Wieczorska,

Charchalis

2023

Materials

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This paper presents the effect of burnishing on the surface hardness, selected surface roughness parameters and material ratio of tubes made of an EN AW-6060 aluminum alloy after welding. The prepared specimens were subjected to a 141-TIG welding process, after which the surfaces to be burnished were given a finishing turning treatment with DURACARB’s CCGT09T302-DL cutting insert to remove the weld face. After the turning process, the surface finish treatment was carried out by rolling burnishing, for which Yamato’s SRMD burnishing tool was used. The surface hardness, selected surface roughness parameters and material ratio were then measured. An analysis of the results showed an increase in hardness in the surface layer, as well as an improvement in the analyzed surface roughness parameters and the material ratio of the native material and the weld.

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2D FEM Investigation of Residual Stress in Diamond Burnishing

Cited by 6 publications

References 45 publications

Finite Element Simulation and Experimental Investigation of Nanostructuring Burnishing AISI 52100 Steel Using an Inclined Flat Cylindrical Tool

Finite Element Simulation and Experimental Investigation of Nanostructuring Burnishing AISI 52100 Steel Using an Inclined Flat Cylindrical Tool

Improvement in Fatigue Strength of Chromium–Nickel Austenitic Stainless Steels via Diamond Burnishing and Subsequent Low-Temperature Gas Nitriding

The Influence of the Burnishing Process on the Change in Surface Hardness, Selected Surface Roughness Parameters and the Material Ratio of the Welded Joint of Aluminum Tubes

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