Mechanism of material removal in ball end magnetorheological finishing process

Singh, Anant Kumar; Jha, Sunil; Pandey, Pulak M.

doi:10.1016/j.wear.2012.11.082

Cited by 70 publications

(29 citation statements)

References 11 publications

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“…As the worn surface of the disk specimen is in the vertical position, magnetic attraction force between the wear debris and the disk specimen is necessary for the re-entry of wear debris into the friction area. The influence of wear-debris grinding in this stage is similar to that of magnetic polishing [32,33].…”

Section: Resultsmentioning

confidence: 99%

Behavior of Wear Debris and Its Action Mechanism on the Tribological Properties of Medium-Carbon Steel with Magnetic Field

Shi

Sun

et al. 2018

Materials

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Friction tests were conducted on self-matched pairs of medium-carbon steel using a pin-disk tribometer in an ambient laboratory environment with and without wear-debris removal, in order to clarify the influence of wear debris on the tribological properties of steels that were exposed to magnetic fields. The wear debris and worn surface were observed and analyzed. In the case that the wear debris was removed, the vast majority of wear debris was large, scarce oxidation, and no agglomeration, the grooves of various shapes and discontinuities, and no oxide layer were formed on the worn surface, severe wear occurred throughout the friction process. When the wear debris was not removed, the wear debris became fine, agglomeration and oxidation, a debris layer was formed on the worn surface, and the wear mode transitioned from severe to mild occurred during friction process. The results reveal that the re-entering of wear debris into the friction area is essential for the formation of a wear-debris layer and that an anti-wear effect can be achieved via the wear-debris layer formed on the worn surface during the friction process with a magnetic field.

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Section: Resultsmentioning

confidence: 99%

Behavior of Wear Debris and Its Action Mechanism on the Tribological Properties of Medium-Carbon Steel with Magnetic Field

Shi

Sun

et al. 2018

Materials

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“…It is also concluded that the shearing takes place only when the shear force is more than the reaction of the workpiece. Singh et al [86], studied the mechanism of material removal and magnetic field induced normal force during BEMRF process. It was explained that due to the induced normal force material removal and percentage change in roughness was increased.…”

Section: Modelling and Optimizationmentioning

confidence: 99%

A review on magnetically assisted abrasive finishing and their critical process parameters

Kumari

Chak

2018

Manufacturing Rev.

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Magnetically assisted abrasive finishing (MAAF) processes are the precision material removal processes that have been applied to a large variety of materials from brittle to ductile and from magnetic to non magnetic. The MAAF process relies on a unique “smart fluid”, known as Magnetorheological (MR) fluid. MR fluids are suspensions of micron sized magnetizable particles such as carbonyl iron, dispersed in a non-magnetic carrier medium like silicone oil, mineral oil or water. The MAAF processes overcome the limitation of abrasive flow machining by deterministically control the abrading forces by applying magnetic field around the workpiece. MAAF process is divided into two parts; one is magnetorheological finishing (MRF) and another is magnetorheological abrasive flow finishing (MRAFF). The MRAFF process gives better results as compared to results of MRF because it has additional reciprocating motion of MR fluid. In this article the attempt has been made to review various technical papers related to MRF and MRAFF. The experimental setups, process parameters, MR fluid, modeling & optimization and applications are discussed in this paper. This review article will be useful to academicians, researchers and practitioners as it comprises significant knowledge pertaining to MAAF.

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“…And also magnetic field strength is a function of working gap [25]. The magnetic force acting on the CIP increases with decrease in the gap between the tool tip and silicon surface.…”

Section: Effect Of Working Gapmentioning

confidence: 99%

Experimental investigation into Ball end Magnetorheological Finishing of silicon

Saraswathamma

Jha

Rao

2015

Precision Engineering

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Mechanism of material removal in ball end magnetorheological finishing process

Cited by 70 publications

References 11 publications

Behavior of Wear Debris and Its Action Mechanism on the Tribological Properties of Medium-Carbon Steel with Magnetic Field

Behavior of Wear Debris and Its Action Mechanism on the Tribological Properties of Medium-Carbon Steel with Magnetic Field

A review on magnetically assisted abrasive finishing and their critical process parameters

Experimental investigation into Ball end Magnetorheological Finishing of silicon

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