Evaluation of optimized surface properties and residual stress in ultrasonic assisted ball burnishing of AA6061-T6

Teimouri, Reza; Amini, Saeid; Bami, Alireza Bagheri

doi:10.1016/j.measurement.2017.11.001

Cited by 106 publications

(47 citation statements)

References 21 publications

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“…Results were highly positive in terms of roughness, hardness and residual stress, in favor of the VABB process. The same prototype has recently been used by Teimouri et al (2018), at two amplitudes, 5 μm and 10 μm, concluding that the residual hardening after ultrasonic burnishing and residual stress have higher values with an increase of the amplitude values.…”

Section: Introductionmentioning

confidence: 92%

Development, characterization and test of an ultrasonic vibration-assisted ball burnishing tool

Jerez-Mesa

Travieso-Rodríguez

Gómez-Gras

et al. 2018

Journal of Materials Processing Technology

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This paper presents the design and characterization of an ultrasonic vibration-assisted ball burnishing (VABB) tool on Ti-6Al-4V. This process is based on the modification of conventional ball burnishing, by means of the addition of a 40-kHz vibratory force to the burnishing preload exerted by the spring inside the tool. For the purposes of successfully executing the process, a new tool is designed through the assembly of different modules responsible for the various aspects involved in it. That design is hereby presented. Then, a methodology comprising acoustic emission and high frequency sampling is proposed to characterize the functioning of a prototype manufactured according to the previously presented design. The set of techniques deployed to measure the performance of the VABB prototype is presented as a feasible means of characterizing this sort of advanced manufacturing tools, especially like this one which is governed by ultrasonic frequencies. Last of all, the prototype is tested on a Ti-6Al-4V surface to validate it. The superior results of VABB, compared to the non-assisted version of the process, is shown in terms of average and total surface roughness, as well as surface hardness. The highest improvement is achieved by applying the VABB process with 300 N and 5 passes. The effectiveness of the designed prototype is confirmed, and places this kind of VABB tools as inexpensive systems to successfully execute an innovative finishing process for industrial components.

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Section: Introductionmentioning

confidence: 92%

Development, characterization and test of an ultrasonic vibration-assisted ball burnishing tool

Jerez-Mesa

Travieso-Rodríguez

Gómez-Gras

et al. 2018

Journal of Materials Processing Technology

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“…Maximum residual stress is observed when the burnishing pressure force reaches its maximum value and other input parameters reach their minimum [ 9 ]. Teimouri and Amini [ 10 ] stated that burnishing could also be used to remove micro-cracks and voids remaining from previous production processes. Burnishing can improve the fatigue life and mechanical properties of parts by inducing compressive residual stress on the work surface [ 11 ].…”

Section: Introductionmentioning

confidence: 99%

Surface Evaluation of a Multi-Pass Flexible Magnetic Burnishing Brush for Rough and Soft Ground 60/40 Brass

et al. 2020

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Burnishing is an advanced finishing process that produces higher-quality surfaces with better hardness and roughness than conventional finishing processes. Herein, a flexible magnetic burnishing brush comprising stainless steel pins under permanent magnet poles was used to investigate the influence of multiple passes and directions on the produced surface of soft and rough ground prepared brass. In total, five different samples were burnished on each of the two brass samples prepared. Four samples were processed in the same direction for up to four passes and the fifth sample was processed with two passes in the opposite direction. Results indicate that there was approximately a 30% increase in hardness and an 83% increase in microroughness for rougher-surface brass samples. For smoothly prepared surfaces, there was approximately a 14% increase in hardness and a 35% increase in microroughness. In the same direction of multi-pass burnishing, increasing the number of passes negatively affected surface roughness; for rougher surfaces, the surface hardness reduced and process uniformity increased owing to surface over-hardening and flaking mechanisms, and for smoother surfaces, the hardness, roughness, and process non-uniformity increased with the number of passes owing to repeated surface deformation at some locations and high flaking at other locations. Compared to single-pass burnishing, wherein the surface roughness and microhardness showed almost no change with high process uniformity, in burnishing with two opposite-direction passes, the produced surface exhibited better surface roughness, process uniformity, and microhardness improvements owing to a reverse strain mechanism. Hence, opposite burnishing passes are recommended.

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“…Diamond can be such a material, but for economic and technical reasons, diamond tools are often replaced by ceramic tools. The burnishing process creates materials with better surface quality [13][14][15] and a higher value of surface hardness [16] and creates compressive residual stresses in a surface layer of elements [17]. After the burnishing process, one can also obtain a surface layer without abrasive contaminants.…”

Section: Introductionmentioning

confidence: 99%

Influence of Ball-Burnishing Process on Surface Topography Parameters and Tribological Properties of Hardened Steel

Dzierwa

Markopoulos

2019

Machines

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The ball-burnishing process is a particular finishing treatment that can improve selected properties of different materials. In the present study, the ball-burnishing technique was used to investigate the effect of input parameters of processes on selected surface layer features like surface roughness and residual stresses of the 42CrMo4 steel surfaces. The burnishing process was conducted on Haas CNC Vertical Mill Center VF-3 using a tool with tungsten carbide tip. A further objective of our research was to improve tribological properties of the aforementioned steel by the ball-burnishing process. The results of the investigations showed that it was possible to reduce the root mean square height of the surface Sq from 0.522 μm to 0.051 μm and to increase wear resistance compared to ground samples.

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Evaluation of optimized surface properties and residual stress in ultrasonic assisted ball burnishing of AA6061-T6

Cited by 106 publications

References 21 publications

Development, characterization and test of an ultrasonic vibration-assisted ball burnishing tool

Development, characterization and test of an ultrasonic vibration-assisted ball burnishing tool

Surface Evaluation of a Multi-Pass Flexible Magnetic Burnishing Brush for Rough and Soft Ground 60/40 Brass

Influence of Ball-Burnishing Process on Surface Topography Parameters and Tribological Properties of Hardened Steel

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