An activation energy approach for viscous flow: A complementary tool for the study of microstructural evolutions in sheared suspensions

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• 作者：F.J. Rubio-Herná ; ndez^a ; ^{fjrubio@uma.es} ; A.I. Gó ; mez-Merino^a ; R. Delgado-Garcí ; a^b ; N.M. Pá ; ez-Flor^a ; ^b
• 关键词：Activation energy for viscous flow ; Particle suspensions ; Shear-thickening ; Order-disorder ; Hydroclusters
• 刊名：Powder Technology
• 出版年：2017
• 出版时间：15 February 2017
• 年：2017
• 卷：308
• 期：Complete
• 页码：318-323
• 全文大小：938 K
• 卷排序：308

文摘

Activation energy for viscous flow is used to elucidate thickening mechanisms. Activation enthalpy and activation entropy are positive when suspension shear-thins. Activation enthalpy and activation entropy are negative when suspension shear-thickens. Hydrocluster model agrees with these results.