Journal
TRIBOLOGY INTERNATIONAL
Volume 82, Issue -, Pages 319-329Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.triboint.2014.07.013
Keywords
Multiscale roughness; Ultrasonic shot peening stainless steel
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This article assessed the roughness induced by ultrasonic shot peening. Surface properties of AISI 316L steel specimens were modified through the variation of ultrasonic shot-peening parameters (shot material, shot diameter, sonotrode amplitude vibration and coverage). Each surface was characterized using fifty surface roughness parameters and two types of robust Gaussian filter (low pass and high pass) associated with twenty one cut-off lengths. For each type of processing parameter, the most relevant roughness parameter and its corresponding length scale and filter were found. A linear relationship was identified between the four ultrasonic shot-peening parameters and the mean density of furrows with a coefficient of determination equal to 0.97. (C) 2014 Elsevier Ltd. All rights reserved.
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