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Polishing operation of a steel bar in a shear thickening fluid medium

机译：剪切增稠流体介质中钢筋的抛光操作

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摘要

Shear thickening fluid (STF) has been utilized in several engineering applications due to its increasing viscosity under loading. Although the principal applications are protective structures and vibration attenuation systems, STF was adapted to a manufacturing process in this study. Combining an STF with abrasive particles, we fabricated a polishing suspension in which the STF provides a tough matrix for the abrasive particles. A steel bar was investigated in the polishing tests at two different shear rates which are adjusted to yield a low point and a peak point in the suspension viscosity. According to the results, the process at low viscosity is insufficient to realize the material removal from the specimen surface however, at peak viscosity, the process yields beneficial mechanism for improving the specimen surface finish.
机译：剪切增稠液（STF）由于其在载荷下的粘度增加而已在多种工程应用中使用。尽管主要的应用是防护结构和减振系统，但本研究将STF应用于制造过程。将STF与磨料颗粒结合在一起，我们制造了抛光悬浮液，其中STF为磨料颗粒提供了坚韧的基质。在抛光测试中，在两种不同的剪切速率下研究了一根钢筋，将其调节为产生悬浮液粘度的低点和峰值。根据结果​​，低粘度过程不足以实现从样品表面去除材料，但是在峰值粘度下，该过程产生了改善样品表面光洁度的有益机理。

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