期刊
SOFT MATTER
卷 6, 期 7, 页码 1462-1466出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/b916342e
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资金
- Department of Atomic Energy, Government of India
We investigate the stress relaxation behavior on the application of step strains to aging aqueous suspensions of the synthetic clay Laponite. The stress exhibits a two-step decay, from which the slow relaxation modes are extracted as functions of the sample ages and applied step strain deformations. Interestingly, the slow time scales that we estimate show a dramatic enhancement with increasing strain amplitudes. We argue that the system ends up exploring the deeper sections of its energy landscape following the application of the step strain.
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