Dear Saad,
The MAF process is the one in which material is removed in such a way that surface finishing and deburring are performed simultaneously with the applied magnetic field in the finishing zone. The magnetic particles join each other along the lines of magnetic force due to dipole–dipole interaction and produce a force on the defects that you have on the surface.In summary the process can be seen as magnetic particles +abrasive= magnetic abrasives removed by an external magnetic field. In principle they can be made of different materials but which are not strongly interacting with the atoms of the bulk. One of the most tested is the oxide of aluminium.
“Magnetic Abrasive Finishing- A Review” By Harish Kumar, Sehijpal Singh, Pradeep Kumar IJERT Vol.2 Issue 3, March2013.
Dear Dr. Daniel Baldomir :
Thanks for interesting answer , as you know magnetic abrasive finishing one of advanced machining and mainly used to enhance the surface layer from roughness and waviness , micro cracks.
Dear Saad.
The mechanism is quite simple, you add mangnetic nanoparticles to interact on the surface with the "defects" that you want to remove, then the nanoparticles interact with them (with dipolar interaction) and after that you apply one external magnetic field to take the final product. Thus the conditions for using proper materials are easy to understand just considering the form to increase the dipolar interaction and how strongly these defects are "glued" with the bulk material.
Dear professor Daniel Baldomir
Thanks for comment.
best regard,Dr.Saad Shather
For the MAF process, you must provide a permanent magnetic field or electromagnetic field. This field must also be able to move. You should also add magnetic particles and abrasive particles. Magnetic particles move along the magnetic field, causing surface wear
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