Hindered settling of particulate dispersions

Mercer, Tim orcid iconORCID: 0000-0002-1557-2138, Bissell, Philip orcid iconORCID: 0000-0002-8024-1757, Gotaas, James Alan and Gilson, Ray G. (1999) Hindered settling of particulate dispersions. Journal of Magnetism and Magnetic Materials, 193 (1-3). pp. 284-287. ISSN 0304-8853

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Official URL: http://dx.doi.org/10.1016/s0304-8853(98)00460-0


A computer simulation has been developed that models hindered settling in particulate recording media dispersions. The resulting effective pigment concentration profiles compare well with experimental observations carried out using a scanning column magnetometry technique. Rigorous testing for mass conservation gives added confidence in the feasibility of this model as an aid in the study of suspension structure. As this structure is important in the media manufacturing processes of coating, orientation and drying, these investigations offer the potential to enhance the qualities of the final product.

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