Abstract
A structural rheological model is presented that describes the phenomenon of shear solidification in structured systems, namely, in concentrated suspensions, micellar solutions, and solutions of associated polymers. The reason for shear hardening (SH) is the appearance of a structure under the action of shear as a result of an increase in the cohesion force between particles or macromolecules. The integral characteristic of the structure is the total number of particles in the aggregates. The kinetic equation describing the process of formation-destruction of aggregates contains four rate constants and leads to a rheological equation with two coefficients.
Similar content being viewed by others
REFERENCES
Barnes, H.A., J. Rheol., 1989, vol. 33, p. 329.
Kirsanov, E.A. and Matveenko, V.N., Nen’yutonovskoe techenie dispersnykh, polimernykh i zhidkokristallicheskikh sistem. Strukturnyi podkhod (Non-Newtonian Flow of Dispersed, Polymeric, and Liquid Crystal Systems: Structural Approach), Moscow: Tekhnosfera, 2016.
Kalman, D.P., Schein, J.B., Houghton, J.M., Laufer, C.H.N., Wetzel, E.D., and Wagner, N.J., Proc. Society for the Advancement of Materiel and Process Engineering (SAMPE), Baltimore, 2007, p. 1.
Raghavan, S.R. and Khan, S.A., J. Colloid Interface Sci., 1997, vol. 185, p. 57.
Raghavan, S.R., Walls, H.J., and Khan, S.A., Langmuir, 2000, vol. 16, p. 7920. https://doi.org/10.1021/la991548q
Hartmann, V. and Cressely, R., J. Phys. II, 1997, vol. 7, p. 1087. https://doi.org/10.1051/jp2:1997173
Guo, X., Abdala, Ah.A., May, B.L., Lincoln, S.F., Khan, S.A., and Prud’homme, R.K., Polymer, 2006, vol. 47, p. 2976. https://doi.org/10.1016/J.POLYMER.2006.03.006
English, R.J., Gulati, H.S., Jenkins, R.D., and Khan Saad, A., J. Rheol., 1997, vol. 41, p. 427. https://doi.org/10.1122/1.550017
Funding
This study was financially supported as part of the state funding of the Department of Chemistry, Moscow State University, no. CITiS: 121031300084-1.
Author information
Authors and Affiliations
Contributions
All authors made an equivalent contribution to the preparation of the article.
Corresponding author
Ethics declarations
The authors declare that they have no conflicts of interest.
Additional information
Translated by P. Kuchina
About this article
Cite this article
Matveenko, V.N., Kirsanov, E.A. Shear Hardening in the Rheology of Structured Systems. Moscow Univ. Chem. Bull. 77, 231–241 (2022). https://doi.org/10.3103/S0027131422050078
Received:
Revised:
Accepted:
Published:
Issue Date:
DOI: https://doi.org/10.3103/S0027131422050078