Non-Brownian particle gel

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Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/26409

Title:	Non-Brownian particle gel
Authors:	Yuan,CN;Sheng,YJ;Tsao,HK
Contributors:	化學工程與材料工程學系
Keywords:	N/A
Date:	2009
Issue Date:	2010-06-29 17:27:24 (UTC+8)
Publisher:	中央大學
Abstract:	Particle gels are usually formed by density matching or Brownian motion against gravity. However, the suspended state of non-Brownian particles is essential in applications, such as Si-wafer wire sawing. By the addition of alkyl amine, micron-sized SiC suspensions are shown to form particle gel in ethylene glycol. The ratio of storage to loss modulus is about 3, indicating a weak gel. The structure by particle-particle attraction is demonstrated through existing yield stress. With increasing surfactant concentration, the gel forms easier, the sediment layer swells more significantly, and the yield stress is greater accordingly. A gelling mechanism has been proposed and examined. c 2009 American Institute of Physics. [doi: 10.1063/1.3272925]
Relation:	APPLIED PHYSICS LETTERS
Appears in Collections:	[National Central University Department of Chemical & Materials Engineering] journal & Dissertation

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