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Article Dans Une Revue Korea-Australia Rheology Journal Année : 2023

Effect of electro-osmosis on lubrication of fresh cement paste-based material in contact with a metal wall

Résumé

This paper presents an experimental investigation of the effect of electro-osmosis on lubricating the interface between the cement paste-based material and metal wall. A new experimental apparatus was developed and set up in this study. Two scales of cement paste-based materials were used and tested: cement paste and mortar. Tests performed were as follows: (i) range of potential difference varies from 5 to 30 V; (ii) range of metallic plate slope varies from 7 and DEG; to 15 and DEG;. The pre-movement time was reduced and the sample velocity was increased by increasing the potential difference and the slope. The rheological properties of two mixtures were determined to identify the characteristics of the fluid film at the interface that plays an important role in lubricating the sample. The permeability coefficient for managing the contact lubrication was also determined in this study.
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hal-04193563 , version 1 (09-07-2024)

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Viet Hai Hoang, Tu Anh Do, Anh Tuan Tran, Christophe Lanos, Yannick Mélinge. Effect of electro-osmosis on lubrication of fresh cement paste-based material in contact with a metal wall. Korea-Australia Rheology Journal, 2023, 35, pp.157-168. ⟨10.1007/s13367-023-00063-0⟩. ⟨hal-04193563⟩
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