Characterization of microstructure and mechanical properties for Ti-6Al-4 V processed by rotary ultrasonic roller burnishing

Zhao, Jinshan; Wang, Qingqing; Liang, Guoxing; Liu, Ming; Huang, Yonggui; Liu, Donggang; Li, Guang; Hao, Xinhui

doi:10.1016/j.matchar.2021.111288

Cited by 11 publications

(1 citation statement)

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“…Among these techniques, the burnishing process has attracted attention in recent years [9,10]. Burnishing is a cold deformation technique performed by crushing the surfaces of materials without removing chips [11][12][13][14][15]. This technique creates residual compression stresses on the surface of the material and affects the microstructure [16][17][18].…”

Section: Introductionmentioning

confidence: 99%

Effect of ball-burnishing on surface integrity and fatigue behaviour of 7175-T6 AA

Özer

Dalli

Özer

2023

Materials Science and Technology

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The burnishing process was performed using different feed rates, rotational speed and penetration depth parameters to alloy Al 7175-T6. Surface roughness, fatigue life and hardness of the samples were determined. Microstructural examinations of the samples were performed. In the surface roughness measurements, occurred a linear increase in proportion to the increasing feed rate. The increase in the penetration depth affected negatively the surface roughness. Significant increases were acquired in the fatigue life of the burnished samples. The hardness values of the burnishing samples are higher than the hardness value of the base material. The rotational movement of the steel ball during the burnishing process were been caused the aspect ratio of the grains in the microstructure to change.

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