Abstract
How the frictional force between magnetic-abrasive powders and a Ti alloy surface varies during magnetic-abrasive machining in relation to the technological parameters has been investigated. The specific behavior of the magnetic-abrasive tool in the course of magnetic-abrasive machining has been found to depend on the variation of its mobility as a function of the size and shape the powders, the speed, and the magnetic induction. These factors determine the conditions of particle contact with the machined surface. A magnetic-abrasive tool made of equiaxial particles is demonstrated to have regions of reduced friction with V = 0.66 m/sec, owing to changes in the conditions of particle contact with the workpiece, when the sliding friction is transformed into rolling friction. It is shown that Polimam-M powder has the maximum friction and PR R6M5 has the minimum friction.
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Maiboroda, V.S. Tribotechnical Characteristics of Ferroabrasive Powders in Magnetic-Abrasion Machining. Powder Metallurgy and Metal Ceramics 42, 530–535 (2003). https://doi.org/10.1023/B:PMMC.0000013227.61553.d2
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DOI: https://doi.org/10.1023/B:PMMC.0000013227.61553.d2