MRAFF and its variants with process parameters.
|Process||Machine||Magnetorheological fluid||Electromagnet||Workpiece||Prominent results||References|
|MRAFF||No. − 200 cycles, τ-50–100 kPa, P- 3.75 MPa, z-30 mm, I- 6A||20 vol% CIP (18 μm), 20 vol% SiC(# 400) and 60 vol% of viscoplastic base medium||B-0.574 T, H-150–250 kA/m||Stainless steel (35 × 5 × 2 mm)||Ra changes from 0.6 μm to 0.34 μm|||
|MRAH||t- 20 min, Nholder -310 rpm, VPlunger -15 cycles/min||30 vol% CIP (size 8 μm), 25 vol% SiC (size 15 μm)||B-0.65 T||Mild steel (AISI 1020), Stainless steel (SS 316L)||%ΔRa for 41.7% (mild steel) and 43.5% (stainless steel)|||
|R-MRAFF||No.-1600 cycles, N-150 rpm, P- 15-35 bar, t-24.7 hr, z-1 mm||30 vol% CIP, 15 vol% SiC (#500-2000), 43 vol% of viscoplastic base medium and 12 vol% Surfactant||Permanent magnet (Nd–Fe–B), B-0.37 T, Hc (836 kA/m)||Knee joint implant(stainless steel)||(1) At small angle magnetic line concentrated
(2) %ΔRa-17.5 (Final)
τ − shear stress, Plunger − reciprocating velocity, Hc − coercive field force, N − rotational speed, No − no of cycles, P − pressure, z − working gap, I − current, B-magnetic flux density, # − mesh size, MRAH − magnetorheological abrasive honing, R-MRAFF − rotational magnetorheological abrasive flow finishing.
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