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Author(s)

Manley, S.
Davidovitch, Benny
Davies, Neil R.
Cipelletti, L.
Bailey, A. E.
Christianson, Rebecca J.
Gasser, U.
Prasad, V.
Segre, P. N.
Doherty, M. P.
Sankaran, S.
Jankovsky, A. L.
Shiley, B.
Zin Technologies, Inc.
Bowen, J.
Zin Technologies, Inc.
Eggers, J.
Zin Technologies, Inc.
Kurta, C.
Zin Technologies, Inc.
Lorik, T.
Zin Technologies, Inc.

Type of Resource

Article

Description

Colloidal silica gels are shown to stiffen with time, as demonstrated by both dynamic light scattering and bulk rheological measurements. Their elastic moduli increase as a power law with time, independent of particle volume fraction; however, static light scattering indicates that there are no large-scale structural changes. We propose that increases in local elasticity arising from bonding between neighboring colloidal particles can account for the strengthening of the network, while preserving network structure.

Date Published

2018-03-26

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Rights Statements

In Copyright - Educational Use Permitted