>While magnetorheological...">

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首頁(yè)> 外文期刊>Journal of intelligent material systems and structures >Magnetorheological properties and polishing characteristics of silica- coated carbonyl iron magnetorheological fluid
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Magnetorheological properties and polishing characteristics of silica- coated carbonyl iron magnetorheological fluid

機(jī)譯：二氧化硅包覆的羰基鐵磁流變液的磁流變性質(zhì)和拋光特性

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>While magnetorheological fluids can be used for ultra-precise polishing, for example, of advanced optical components, oxidation of metallic particles in water-based magnetorheological fluids causes irregular polishing behavior. In this study, carbonyl iron microspheres were initially coated with silica to prevent oxidation and were used to polish BK7 glass. In addition, their rheological and sedimentation characterizations were investigated. Material removal and surface roughness were analyzed to investigate the surface quality and optimal experimental conditions of polishing wheel speed and magnetic field intensity. The maximum material removal was 0.95 μm at 95.52 kA/m magnetic field intensity and 1854 mm/s wheel speed. A very fine surface roughness of 0.87 nm was achieved using the silica-coated magnetorheological fluid at 47.76 kA/m magnetic field intensity and 1854 mm/s wheel speed.
機(jī)譯： >雖然磁流變液可用于超精密拋光，例如高級(jí)光學(xué)組件的超精密拋光，金屬顆粒的氧化水性磁流變液會(huì)引起不規(guī)則的拋光行為。在這項(xiàng)研究中，羰基鐵微球最初涂有二氧化硅以防止氧化，并用于拋光BK7玻璃。此外，還研究了它們的流變和沉降特性。分析材料去除和表面粗糙度，以研究表面質(zhì)量以及拋光輪速度和磁場(chǎng)強(qiáng)度的最佳實(shí)驗(yàn)條件。在95.52 kA / m的磁場(chǎng)強(qiáng)度和1854 mm / s的車(chē)輪速度下，最大材料去除量為0.95 μm。使用涂有二氧化硅的磁流變液在47.76 kA / m的磁場(chǎng)強(qiáng)度和1854 mm / s的車(chē)輪速度下獲得了非常精細(xì)的表面粗糙度，為0.87 nm。

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