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首页> 外文期刊>Boletin de la Sociedad Espanola de Ceramica y Vidrio >Plastic o pseudoplastic?. Methods for determining and analising the yield stress of ceramic slips
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Plastic o pseudoplastic?. Methods for determining and analising the yield stress of ceramic slips

机译:塑料o pseudoplastic? 用于确定和分析陶瓷滑动屈服应力的方法

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摘要

In the last years the use of rheometric techniqueslike control stress and oscillation measurements has becomepopular. In this work the basic concepts of suspensions rheologyare revised and the recent rheometric techniques for their completecharacterisation are analysed. From a previously optimised slip ofsanitary porcelain with a solid loading of 50 vol percent, differentkinds of rheological tests and the most frequent regression modelsare described and analysed, as well as the limitations and thepossible ways to plot a rheogram in order to reach a maximuminformation. The differences among rheological parametersobtained in different ways are discussed, focusing thedetermination of the yield stress which is the key to distinguish aplastic behaviour from a pseudoplastic one.
机译:在过去几年中,使用轮廓技术的控制应力和振荡测量的使用具有偏移。 在这项工作中,分析了悬浮液流变术的基本概念,并分析了最近的其完成的流程技术。 从先前优化的瓷器滑动,固体负载率为50体积%,流变检测的不同程度和最常见的回归模型,以及绘制REALA图的局限性和绘图的方法,以达到最高信息。 讨论了以不同方式的流变参数的差异,聚焦屈服应力的屈服应力,这是区分来自假塑性的旋转性行为的关键。

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