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A magnetic shear thickening media in magnetic field–assisted surface finishing
Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture ( IF 1.9 ) Pub Date : 2020-01-21 , DOI: 10.1177/0954405419896119
Zenghua Fan 1, 2 , Yebing Tian 1, 2 , Qiang Zhou 1 , Chen Shi 1
Affiliation  

A novel surface finishing method named magnetic shear thickening finishing that combines the intelligent shear thickening fluids and magnetic field action is proposed. The magnetic shear thickening finishing media, which is a combination of carbonyl iron particles and SiC particles in a base medium of shear thickening fluids, is developed. The finishing processes were experimentally characterized to verify the performance potential of the proposed method and developed magnetic shear thickening finishing media. Experimental results demonstrated that the developed media is effective for surface finishing compared with finishing media without shear thickening fluids. The surface roughness value of the testing sample was reduced to 54 nm from an initial value of 1.17 μm. Scanning electron microscope observations showed that the scratches were removed obviously and a smooth surface was obtained.

中文翻译:

磁场辅助表面精加工中的磁剪切增稠介质

提出了一种将智能剪切增稠液与磁场作用相结合的新型表面精加工方法——磁剪切增稠精加工。开发了磁性剪切增稠精加工介质,它是羰基铁颗粒和碳化硅颗粒在剪切增稠液的基础介质中的组合。对精加工过程进行了实验表征,以验证所提出的方法和开发的磁剪切增稠精加工介质的性能潜力。实验结果表明,与没有剪切增稠液的精加工介质相比,所开发的介质对表面精加工更有效。测试样品的表面粗糙度值从初始值 1.17 μm 降低到 54 nm。
更新日期:2020-01-21
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