Journal
PHYSICAL REVIEW LETTERS
Volume 111, Issue 10, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.111.108301
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Funding
- Lafarge LCR
- European Research Council [FP7-319968]
- Ambizione of the Swiss National Science Foundation [PZ00P2_142532/1]
- German Research Foundation [HE 2732/11-1]
- Swiss National Science Foundation (SNF) [PZ00P2_142532] Funding Source: Swiss National Science Foundation (SNF)
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We propose a simple model, supported by contact-dynamics simulations as well as rheology and friction measurements, that links the transition from continuous to discontinuous shear thickening in dense granular pastes to distinct lubrication regimes in the particle contacts. We identify a local Sommerfeld number that determines the transition from Newtonian to shear-thickening flows, and then show that the suspension's volume fraction and the boundary lubrication friction coefficient control the nature of the shear-thickening transition, both in simulations and experiments.
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