Characterization of the topography generated by low plasticity burnishing using advanced techniques

Oliveira, Diogo Azevedo de; Martins, Augusto Moura; Magalhães, Frederico de Castro; Abrão, Alexandre Mendes

doi:10.1016/j.surfcoat.2022.128891

Cited by 16 publications

(10 citation statements)

References 28 publications

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“…This Ra reduction with an increase on number of passes is often reported on the literature. This behavior is usually attributed to the capacity of the subsequent burnishing passes to deform the roughness peaks coming from the previous ones [26,27]. The interaction between V b and n (contribution of 22.66%) can be observed on Figure 9.…”

Section: Influence Of Burnishing Parameters On Roughness Valuesmentioning

confidence: 90%

“…As mentioned, the increase on number of passes promotes an additional plastic strain. Consequently, increases the material flow, intensifying the macrogeometric profile error [26]. The surfaces obtained for the two higher number of passes and distinct burnishing speeds are presented on Figure 14c to 14h.…”

Section: Influence Of Burnishing Parameters On Waviness Valuesmentioning

confidence: 98%

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Influence of the hydrostatic ball burnishing on surface quality and ultra-microhardness

de Oliveira,

Martins,

Santos

et al. 2024

J Braz. Soc. Mech. Sci. Eng.

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Section: Influence Of Burnishing Parameters On Roughness Valuesmentioning

confidence: 90%

Section: Influence Of Burnishing Parameters On Waviness Valuesmentioning

confidence: 98%

Influence of the hydrostatic ball burnishing on surface quality and ultra-microhardness

de Oliveira,

Martins,

Santos

et al. 2024

J Braz. Soc. Mech. Sci. Eng.

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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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“…It is evident that both of these technological objectives are realized by selecting the appropriate machining method and technological parameters for this process [10][11][12][13][14]. By using tools of different shapes as burnishing elements-for example, a ball or a disc-under the same technological conditions, or by changing the machining parameters, it is possible to achieve different degrees of deformation of irregularities [15][16][17][18][19]. Depending on expectations, it is possible to achieve partial deformation of the irregularities, which occurs when the burnishing element has too large a profile radius and is not able to generate the unitary pressures necessary for the full deformation of the irregularities (the bottoms of the irregularity notches remain on the surface after the pre-burnishing machining), neither their complete deformation when the burnishing element exerts such large surface pressures in the burnishing zone that the irregularities are completely deformed.…”

Section: Introductionmentioning

confidence: 99%

Computer-Aided Analysis of the Formation of the Deformation Zone in the Burnishing Process

Piotrowski,

Zaborski,

Tyliszczak

2024

Applied Sciences

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The study presents the use of spatial imaging of the shape of the deformation formation area occurring at the point of contact between the burnished tool and the processed material surface in the burnishing process. In the analysis of changes in the shape of surfaces processed by ball and disc pressure burnishing, an integrated measurement station was used to measure surface stereometry (New Form Talysurf 2D/3D 120 by Taylor Hobson) and to carry out a series of axially shifted roundness measurements (Talyrond 365 by Taylor Hobson). The geometric parameters of the deformation zone determined in the direction of the circumference of the cylindrical surface (direction of the main movement) and in the axial direction (in the feed plane) are presented. The data obtained as a result of metrological measurements were analysed using specialized computer software.

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Characterization of the topography generated by low plasticity burnishing using advanced techniques

Cited by 16 publications

References 28 publications

Influence of the hydrostatic ball burnishing on surface quality and ultra-microhardness

Influence of the hydrostatic ball burnishing on surface quality and ultra-microhardness

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

Computer-Aided Analysis of the Formation of the Deformation Zone in the Burnishing Process

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