Dynamics of fracture in drying suspensions

We investigate the dynamics of fracture in drying films of colloidal silica. Water loss quenches the nanoparticle dispersions to form a liquid-saturated elastic network of particles that relieves drying-induced strain by cracking. These cracks display intriguing intermittent motion originating from...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1992. - 22(2006), 17 vom: 15. Aug., Seite 7144-7
1. Verfasser: Dufresne, E R (VerfasserIn)
Weitere Verfasser: Stark, D J, Greenblatt, N A, Cheng, J X, Hutchinson, J W, Mahadevan, L, Weitz, D A
Format: Aufsatz
Sprache:English
Veröffentlicht: 2006
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article
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245 1 0 |a Dynamics of fracture in drying suspensions 
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520 |a We investigate the dynamics of fracture in drying films of colloidal silica. Water loss quenches the nanoparticle dispersions to form a liquid-saturated elastic network of particles that relieves drying-induced strain by cracking. These cracks display intriguing intermittent motion originating from the deformation of arrested crack tips and aging of the elastic network. The dynamics of a single crack exhibits a universal evolution, described by a balance of the driving elastic power with the sum of interfacial power and the viscous dissipation rate of flowing interstitial fluid 
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700 1 |a Stark, D J  |e verfasserin  |4 aut 
700 1 |a Greenblatt, N A  |e verfasserin  |4 aut 
700 1 |a Cheng, J X  |e verfasserin  |4 aut 
700 1 |a Hutchinson, J W  |e verfasserin  |4 aut 
700 1 |a Mahadevan, L  |e verfasserin  |4 aut 
700 1 |a Weitz, D A  |e verfasserin  |4 aut 
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