Pengfei Sun, Lianxin Zhang, Jian Li, Zhongyu Wang, Tao Zhou. Influence of Polishing Slurry Viscosity on the Material Removal Function for Fluid Jet Polishing[J]. Acta Optica Sinica, 2018, 38(12): 1222003
- Acta Optica Sinica
- Vol. 38, Issue 12, 1222003 (2018)
Fig. 1. Schematic of fluid jet polishing
Fig. 2. Mesh division and surface boundary of simulation model
Fig. 3. Calculation results under 1.01 mPa·s polishing slurry viscosity and 30 m/s incident velocity conditions. (a) Velocity of liquid; (b) pathlines of abrasive particles
Fig. 4. Comparison of calculation results of DPM under different viscosity conditions. (a) Velocity distribution of abrasive particles; (b) angle distribution of abrasive particles
Fig. 5. Influence of the polishing slurry viscosity on the maximum impact velocity of abrasive particles
Fig. 6. Schematic (left) and labeled photo (right) of fluid jet polishing system
Fig. 7. Polishing spot under 1# polishing slurry with 30 m/s incident velocity
Fig. 8. Comparison between the material removal functions obtained by experiments and calculation under different polishing slurry viscosity conditions. (a) 1# polishing slurry; (b) 2# polishing slurry; (c) 3# polishing slurry; (d) 4# polishing slurry; (e) 5# polishing slurry
Fig. 9. Variation law of wear-particle proportion coefficient with viscosity change in material removal
Fig. 10. Variation law of characteristic quantity of removal function for different viscosities. (a) Maximum material removal depth; (b) distance between removal peaks
Fig. 11. Comparison of surface roughness of workpieces after uniform polishing using different polishing slurry viscosities. (a) 1# polishing slurry, Ra=7.778 nm; (b) 5# polishing slurry, Ra=1.445 nm
Fig. 12. Influence of slurry viscosity on the surface roughness of workpieces
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Table 1. Polishing slurry parameters
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Table 2. Parameters of the erosion model
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