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Gotowe bibliografie tematyczne / Magnetorheological finishing process

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Gotowa bibliografia na temat „Magnetorheological finishing process”

Autor: Grafiati

Data publikacji: 6 września 2023

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Artykuły w czasopismach na temat "Magnetorheological finishing process"

1

KORDONSKI, W. I., and S. D. JACOBS. "MAGNETORHEOLOGICAL FINISHING." International Journal of Modern Physics B 10, no. 23n24 (1996): 2837–48. http://dx.doi.org/10.1142/s0217979296001288.

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The technology of finishing for optics, ceramics, and semiconductors is one of the most promising uses of the magnetorheological effect. It perfectly coupled with computer control, allowing in quantity production the unique accuracy and quality of a polished surface to be achieved. The polishing process may appear as follows. A part rotating on the spindle is brought into contact with an magnetorheological polishing (MRP) fluid which is set in motion by the moving wall. In the region where the part and the MRP fluid are brought into contact, the applied magnetic field creates the conditions necessary for the material removal from the part surface. The material removal takes place in a certain region contacting the surface of the part which can be called the polishing spot or zone. The polishing process comes to the program-simulated movement of the polishing spot over the part surface. The mechanism of the material removal in the contact zone is considered as a process governed by the particularities of the Bingham flow in the contact zone. The problem like the hydrodynamic theory of lubrication is treated for plastic film. As this takes place the shear stresses distribution in the film is obtained from the experimental measurements of the pressure distribution in the contact spot. Reasonable correlation between calculated and experimental magnitudes of the material removal rate for glass polishing lends support to the validity of the approach.

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2

Singh, Anant Kumar, Sunil Jha, and Pulak M. Pandey. "Magnetorheological Ball End Finishing Process." Materials and Manufacturing Processes 27, no. 4 (2012): 389–94. http://dx.doi.org/10.1080/10426914.2011.551911.

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Grover, Vishwas, and Anant Kumar Singh. "Modeling of surface roughness in the magnetorheological cylindrical finishing process." Proceedings of the Institution of Mechanical Engineers, Part E: Journal of Process Mechanical Engineering 233, no. 1 (2017): 104–17. http://dx.doi.org/10.1177/0954408917746354.

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The magnetorheological cylindrical finishing process is developed for fine finishing of the internal surface of cylindrical objects. The process uses smart fluid known as magnetorheological polishing fluid. This fluid consists of carbonyl iron (CI) and silicon carbide (SiC) abrasive particles mixed in the base fluid. The magnetorheological cylindrical finishing process consists of an internal finishing tool, which induces magnetic field over its outer surface due to which CI particles experience magnetic force and form chains between the magnetized tool outer surface and inner surface of the cylindrical workpiece. The CI particles push SiC abrasive particles towards the inner surface of the cylindrical workpiece and with the movement of finishing tool inside the cylindrical workpiece, finishing is performed in the process. In the present work, a mathematical model is developed for calculating the change in surface roughness values in the magnetorheological cylindrical finishing process after consideration of forces as acting on SiC particles. To validate the proposed mathematical model, the experimentation is performed by the magnetorheological cylindrical finishing process for finishing the internal surface of cylindrical hardened ferromagnetic steel workpiece. Results of both i.e. mathematical modeling and experimentation are found to be in close agreement with least percentage error of 1.28%. The developed mathematical model is helpful in predicting the process performance, which proves to be useful for industries dealing with internal finishing like injection molding, gas, and liquid pipes, etc.

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4

Kang, Gui Wen, and Fei Hu Zhang. "Optics Manufacturing Using Magnetorheological Finishing." Key Engineering Materials 375-376 (March 2008): 274–77. http://dx.doi.org/10.4028/www.scientific.net/kem.375-376.274.

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Magnetorheological finishing (MRF) is a novel precision optical machining technology. Owing to its flexible finishing process, MRF can eliminate subsurface damage, smooth rms micro roughness and correct surface figure errors. The finishing process can be easily controlled by a computer. Through proper designing of numerical control, sphere and asphere optics can be machined by magnetorheological finishing with high quality. Optical sphere is machined using dwell time algorithm and surface shape 2 pt. PV has been improved from 0.17um to 0.07um.

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5

Mangal, S., and M. Kataria. "Characterization of Magnetorheological Finishing Fluid for Continuous Flow Finishing Process." Journal of Applied Fluid Mechanics 11, no. 6 (2018): 1751–63. http://dx.doi.org/10.29252/jafm.11.06.28928.

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6

Iqbal, Faiz, Zafar Alam, Dilshad Ahmad Khan, and Sunil Jha. "Automated insular surface finishing by ball end magnetorheological finishing process." Materials and Manufacturing Processes 37, no. 4 (2021): 437–47. http://dx.doi.org/10.1080/10426914.2021.2001502.

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7

Sharma, Anand, and M. S. Niranjan. "Magnetorheological Fluid Finishing of Soft Materials: A Critical Review." INTERNATIONAL JOURNAL OF ADVANCED PRODUCTION AND INDUSTRIAL ENGINEERING 4, no. 1 (2019): 48–55. http://dx.doi.org/10.35121/ijapie201901138.

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Magnetorheological Finishing (MRF) is one of the precision finishing processes and recently commercialized method for finishing of various materials like optical glasses, metals, non-metals etc. This method utilizes a suspension consisting of a fluid carrier which can be water or oil, both magnetic and non-magnetic particles and stabilizing agents. Rheological behavior of this mixture of magnetorheological (MR) fluid with abrasives changes under the influence of magnetic field which in turn regulates the finishing forces during finishing processes. Present study critically reviews the MRF process used for achieving nano-level finishing of soft materials and the advancements made in this process

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8

Hashmi, Abdul Wahab, Harlal Singh Mali, Anoj Meena, Irshad Ahamad Khilji, Chaitanya Reddy Chilakamarry, and Siti Nadiah binti Mohd Saffe. "Experimental investigation on magnetorheological finishing process parameters." Materials Today: Proceedings 48 (2022): 1892–98. http://dx.doi.org/10.1016/j.matpr.2021.09.355.

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9

Hashmi, Abdul Wahab, Harlal Singh Mali, Anoj Meena, Irshad Ahamad Khilji, Chaitanya Reddy Chilakamarry, and Siti Nadiah binti Mohd Saffe. "Experimental investigation on magnetorheological finishing process parameters." Materials Today: Proceedings 48 (2022): 1892–98. http://dx.doi.org/10.1016/j.matpr.2021.09.355.

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10

Khatri, Neha, Suman Tewary, Xavier J. Manoj, Harry Garg, and Vinod Karar. "Magnetorheological finishing of silicon for nanometric surface generation: An experimental and simulation study." Journal of Intelligent Material Systems and Structures 29, no. 11 (2018): 2456–64. http://dx.doi.org/10.1177/1045389x18770869.

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Silicon mirrors are essential for guiding the X-ray beam and focusing it to a specific location. These mirrors using total internal reflection require super smooth surface finish due to small wavelength of X-ray. Magnetorheological finishing is a computer-controlled technique used in the production of high-quality optical lenses. This process utilizes polishing slurries based on magnetorheological fluids, whose viscosity changes with the change in magnetic field. In this work, polishing potential of silicon mirrors by magnetorheological finishing process is examined to achieve nanometric surface finish for X-ray applications. The individual effect of parameters such as magnetizing current, working gap, rotational speed on surface roughness is investigated, and optimized parameters are identified. To investigate the physical essence underlying magnetorheological finishing process, the molecular dynamics simulations are used. Molecular dynamics simulation is used to study the atomic-scale removal mechanism of single-crystalline silicon in magnetorheological finishing process and attention is paid to study the effect of gap between the tool and the workpiece on surface quality. The outcome is promising and the final surface roughness achieved is as low as 6.4 nm. The surface quality is analyzed in terms of arithmetic roughness, power spectral density, and image analysis of scanning electron microscopy for uniform evaluation.

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