Viscous sintering phenomena in liquid-liquid dispersions

被引：21

作者：

Philip, J ^{[1
]}

Bonakdar, L ^{[1
]}

Poulin, P ^{[1
]}

Bibette, J ^{[1
]}

Leal-Calderon, F ^{[1
]}

机构：

[1] Ctr Rech Paul Pascal, CNRS, F-33600 Pessac, France

来源：

PHYSICAL REVIEW LETTERS | 2000年 / 84卷 / 09期

关键词：

D O I：

10.1103/PhysRevLett.84.2018

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We present experimental evidence for viscous sintering phenomena in a gel formed by highly viscous emulsion droplets. When a rupturing agent is added to the initially stable emulsion, a gel forms, which further contracts by preserving the geometry of the container. The initial stages of densification (up to 60%) follow very well the "cylindrical model" for viscous sintering, but deviate at the final stages of densification. The observed inverse dependence of the contraction rate on viscosity is consistent with the viscous sintering theory.

引用

页码：2018 / 2021

页数：4

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