Elasticity of colloidal gels: structural heterogeneity, floppy modes, and rigidity

Rheological measurements of model colloidal gels reveal that large variations in the shear moduli as colloidal volume-fraction changes are not reflected by simple structural parameters such as the coordination number, which remains almost a constant. We resolve this apparent contradiction by conduct...

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Veröffentlicht in:	Soft matter 2021-07, Vol.17 (29), p.6929-6934
Hauptverfasser:	Rocklin, D. Zeb, Hsiao, Lilian, Szakasits, Megan, Solomon, Michael J, Mao, Xiaoming
Format:	Artikel
Sprache:	eng
Schlagworte:	Colloids Coordination numbers Elasticity Frequency dependence Gels Heterogeneity Mathematical models Mechanical analysis Parameters Qualitative analysis Rheological properties Rigidity Shear modulus
Online-Zugang:	Volltext
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