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Title: Modeling of normal force and finishing torque considering shearing and ploughing effects in ultrasonic assisted magnetic abrasive finishing process with sintered magnetic abrasive powder
Authors: Shukla, Vipin C.
Pandey, Pulak M.
Dixit, Uday S.
Roy, Anish
Silberschmidt, Vadim V.
Keywords: UAMAF
Shearing
Ploughing
Force
Torque
Wear
Issue Date: 2017
Publisher: © 2017 The Authors. Published by Elsevier B.V.
Citation: SHUKLA, V.C. ... et al, 2017. Modeling of normal force and finishing torque considering shearing and ploughing effects in ultrasonic assisted magnetic abrasive finishing process with sintered magnetic abrasive powder. Wear, 390-391, pp. 11-22.
Abstract: Ultrasonic assisted magnetic abrasive finishing process (UAMAF) is a precision manufacturing process that results nano-scale level finish in a part. Normal force on a particle helps indenting the particle in the work surface whereas horizontal force provides finishing torque that in-turn helps the particle to perform micro-machining. Better understanding of the effect of these forces on material removal and wear pattern of the work-piece necessitates mathematical modeling of normal force and finishing torque and subsequently its validation with experimental results. In the present study, single particle interaction concept is considered to develop a model which is subsequently applied for all active particles of magnetic abrasive powder (MAP). Separation point theory is applied to consider the effect of ploughing below a critical depth and shearing above that depth. Normal components of shearing and ploughing forces are considered for calculating normal force and horizontal components of shearing and ploughing forces are taken to calculate finishing torque. Johnson-Cook model is applied to calculate shearing strength of the work material during UAMAF. The impact of ultrasonic vibrations is considered while calculating strain rate. Images are taken with the help of scanned electron microscope and atomic force microscope to study the material removal and wear mechanism during UAMAF process. Predicted values of force and torque model are validated with the experimental values.
Description: This is an open access article under the CC BY license (http://creativecommons.org/licenses/BY/4.0/).
Sponsor: This work has been carried out under EPSRC (UK)-DST (India) sponsored project ‘MAST: Modeling of Advanced Materials for Simulation of Transformative Manufacturing Processes’(Grant identifications: EP/K028316/1 and DST/RC-UK/14-AM/2012).
Version: Published
DOI: 10.1016/j.wear.2017.06.017
URI: https://dspace.lboro.ac.uk/2134/25957
Publisher Link: http://dx.doi.org/10.1016/j.wear.2017.06.017
ISSN: 0043-1648
Appears in Collections:Published Articles (Mechanical, Electrical and Manufacturing Engineering)

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