[HTML][HTML] Advanced nonlinear rheology magnetorheological finishing: A review

Z Feng, Z Zhang, Y Jianjun, YU Jiaxin… - Chinese Journal of …, 2024 - Elsevier
High-performance devices usually have curved surfaces, requiring high accuracy of shape
and low surface roughness. It is a challenge to achieve high accuracies for form and position …

A novel high efficiency magnetorheological polishing process excited by Halbach array magnetic field

Y Guo, S Yin, H Ohmori, M Li, F Chen, S Huang - Precision Engineering, 2022 - Elsevier
Magnetorheological polishing is a potential process for the low-damage manufacture of
optics, semiconductors, and related devices. However, due to magnetic materials' size and …

Synthesis and characterization of nanocomposite Fe3O4/SiO2 core–shell abrasives for high-efficiency ultrasound-assisted magneto-rheological polishing of sapphire

Q Zhai, W Zhai, B Gao, Y Shi, X Cheng - Ceramics International, 2021 - Elsevier
Abstract A functional Fe 3 O 4/SiO 2 core–shell abrasive was synthesized via hydrolysis of
tetraethyl orthosilicate. A silica shell was successfully coated on a Fe 3 O 4 core, resulting in …

Removal mechanism of the chemical products layer on single-crystal sapphire surface in magneto-rheological polishing with Fe3O4/SiO2 core-shell abrasives

Q Zhai, W Zhai, T Deng - Applied Surface Science, 2023 - Elsevier
Chemical reactions will occur on sapphire surface in the magneto-rheological polishing
(MRP) process with Fe 3 O 4/SiO 2 core–shell abrasives, resulting in a chemical products …

Study on material removal mechanism of sapphire wafer with CeO2 coated diamond composite abrasives via green polishing

Y Xu, G Zhao, Q Wang, Y Zhan, B Chen - Journal of Manufacturing …, 2023 - Elsevier
Toxic and polluted ingredients are normally employed in the chemical mechanical polishing
of sapphire wafers, which results in widespread environmental pollution. Thus, developing a …

Study on process optimization of ultrasound assisted magneto-rheological polishing of sapphire hemisphere surface based on Fe3O4/SiO2 core-shell abrasives

Q Zhai, W Zhai, T Deng - Tribology International, 2023 - Elsevier
To improve the polishing quality and optimize the polishing process of sapphire hemisphere,
the ultrasound assisted magneto-rheological polishing (UAMP) of sapphire hemisphere …

Study on new magnetorheological chemical polishing process for GaN crystals: polishing solution composition, process parameters, and roughness prediction model

J Wu, B Afzal, Z Huang, M Yang… - Smart Materials and …, 2023 - iopscience.iop.org
High-quality and high-efficiency processing of gallium nitride (GaN) crystals is urgently
required for optoelectronic communications and other major industries. This study proposes …

Novel magnetic field array optimization method for the chemical magnetorheological finishing of Ti-6Al-4V alloy with SiO2 abrasive and Fe3O4 magnetic particles

DH Tien, TN Duy - The International Journal of Advanced Manufacturing …, 2024 - Springer
Abstract The Ti-6Al-4V alloy is an important material used in many high-end devices, such
as medical, aerospace, petrochemical, and sports equipment. Thus, the feasibility of …

Study on the rheological and polishing properties of electromagnetic two-phase composite particles with abrasive characteristics

Z Chen, J Pan, Q Yan, Z Huang… - Smart Materials and …, 2022 - iopscience.iop.org
Electromagnetic composite rheological polishing (EMRP) is a new ultra-precision machining
technology that combines electro-rheological polishing (ERP) and magneto-rheological …

Magnetization and self-sharpening mechanism of polymerized diamond abrasive based on magnetorheological polishing technology

Z Chen, Q Yan, J Pan, Y Liao - Diamond and Related Materials, 2024 - Elsevier
In magnetorheological polishing (MRP), the abrasive grains are confined in a semi-fixed
mode by the chain strings formed by the magnetorheological particles to achieve the …