A novel Non-Newtonian fluid polishing technique for zirconia ceramics based on the weak magnetorheological strengthening thickening effect

Yang, Ming; Huang, Xiaoxue; Dongdong, Zhou; Li, X.

doi:10.1016/j.ceramint.2021.11.280

Cited by 31 publications

(14 citation statements)

References 29 publications

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“…This is because alumina particles promote the viscosity and thickening effect of the whole system at a certain mass fraction. 20 Second, the rheological characteristics also show great differences, which are not described and analyzed in detail here. This phenomenon leads to a serious problem that complex field-induced rheological characteristics will make traditional constitutive characterization very difficult, constitutive parameters complex, and even constitutive characterization failure.…”

Section: Resultsmentioning

confidence: 93%

“…Referring to the shear thickening polishing method, 20–22,24,25 a variety of micron particle dispersion systems were prepared. Based on the multi-peak fitting method, the field rheological properties of the composite dispersion system were fitted and characterized, and the corresponding constitutive function was constructed.…”

Section: Resultsmentioning

confidence: 99%

“…Referring to the shear thickening polishing method, [20][21][22]24,25 a variety of micron particle dispersion systems were prepared.…”

Section: Micro-pp-based Composite Dispersion Systemsmentioning

confidence: 99%

“…17 In the eld of exible machining, the nano/micro-scaled suspension was introduced into non-contact machining methods such as abrasive ow machining 18 and bonnet polishing, 19 in order to realize high-efficiency and non-destructive self-adaptive polishing of hard and brittle materials. [20][21][22] When the uid moves relative to the workpiece surface, the dispersed phase particles are affected by the disturbance of the convex peak on the rough surface of the workpiece, and quickly gather into composite clusters when the abrasive particles impact the convex peak. It then carries the abrasive particles into collision with the convex peak.…”

Section: Introductionmentioning

confidence: 99%

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Field-induced rheological characterization of nano/micro-scaled suspensions based on a multi-peak fitting method

et al. 2022

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Section: Resultsmentioning

confidence: 93%

Section: Resultsmentioning

confidence: 99%

“…Referring to the shear thickening polishing method, [20][21][22]24,25 a variety of micron particle dispersion systems were prepared.…”

Section: Micro-pp-based Composite Dispersion Systemsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Field-induced rheological characterization of nano/micro-scaled suspensions based on a multi-peak fitting method

et al. 2022

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“…In this paper, the prepared MSTF media is a non-Newtonian fluid. According to law of Newton inner friction [24], the relationship between shear stress and viscosity can be expressed as following…”

Section: Mathematical Modelmentioning

confidence: 99%

Investigation on the magnetorheological shear thickening finishing with radial slotted magnetic pole for Sine surface

Sun¹,

Fan²,

Tian

et al. 2022

Preprint

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Free-form surfaces have widespread applications in the fields of integrated circuit, and automobile sectors because of the typical geometric characteristics. Surface finishing of free-form surfaces is a critical process to fulfill target quality. In present study, a magnetorheological shear thickening finishing (MSTF) method is proposed for Sine surface finishing based on the designed finishing tool and the developed MSTF media. The MSTF utilizes a flexible finishing tool, integrating a slotted cylindrical permanent magnetic pole with radial magnetization, is fabricated to dominate rheological properties of finishing media to guarantee the finishing force. To obtain sufficiently large magnetic flux density and magnetic field gradients in the finishing zone, finite element analysis (FEA) is used to obtain the optimal dimensions and structure of the finishing tool. The principle of the method is illustrated and mathematical model of material removal is established. Finishing experiments were conducted on Sine surface fabricated by SUS304 based on the developed MSTF media and the established platform. The effects of finishing parameters on surface roughness are evaluated quantitatively. The results substantiate that the material was uniformly re-moved over the entire Sine surface and the developed method is capable for Si-ne finishing with a more than 87% improvement in surface roughness. The method in the paper shows signs of future success in finishing free-form surfaces in a wide range of industrial applications.

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Research on High‐Efficiency Curved Surface Polishing with Even Distribution of Slurry Based on Dielectrophoresis

Deng,

Zhang,

Sun

et al. 2024

Adv Eng Mater

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To overcome the problems of low slurry utilization and poor surface uniformity in conventional small tool polishing of curved surfaces. A small tool polishing method based on slurry dielectrophoresis (STP‐DEP) is proposed. The dielectrophoretic effect distributes the slurry evenly and increases its dwell time in the processing area, enabling more abrasives to participate in polishing, thereby improving the material removal efficiency and surface uniformity of the workpiece. The observation experiment indicates that dielectrophoresis can efficiently distribute the slurry evenly. Compared with the traditional small tool polishing, the results show that the polishing efficiency of the STP‐DEP is improved by 34 % on the premise of achieving the same surface roughness Ra of the workpiece. Taguchi experiments are carried out on K9 convex lens. Results show that the optimal surface roughness Ra 3.3 nm (Initial Ra 2400 nm, processing time 120 min) is obtained when the tool speed is 400 rpm, the pressing amount is 1 mm, the infeed angle is 15° and the abrasive size is 3 μm. The research proves that the STP‐DEP successfully solves the problem of slurry uneven distribution, and realizes efficient surface polishing with high surface uniformity.This article is protected by copyright. All rights reserved.

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A novel Non-Newtonian fluid polishing technique for zirconia ceramics based on the weak magnetorheological strengthening thickening effect

Cited by 31 publications

References 29 publications

Field-induced rheological characterization of nano/micro-scaled suspensions based on a multi-peak fitting method

Field-induced rheological characterization of nano/micro-scaled suspensions based on a multi-peak fitting method

Investigation on the magnetorheological shear thickening finishing with radial slotted magnetic pole for Sine surface

Research on High‐Efficiency Curved Surface Polishing with Even Distribution of Slurry Based on Dielectrophoresis

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