Preparation and magnetic properties of concentrated magnetic fluids on alcohol and water carrier liquids

[摘要] The preparation procedure for very concentrated magnetic fluids on various polar liquids, especially on C-3-C-10 (propanol,..., decanol) alcohol carriers is presented. Double layer sterical stabilization mechanism ensured the high colloidal stability of samples, up to the limiting value of the hydrodynamic volume fraction (similar to0.65), corresponding to saturation magnetization values of about 70 kA/m. The low-field part of the reduced magnetization curve of the most polar high concentration propanol sample is compared to those corresponding to low and medium concentration water-based samples. (C) 2002 Elsevier Science B.V. All rights reserved.

[发布日期] 2002-11-01

[效力级别]  Proceedings Paper

[关键词] polar magnetic fluids;preparation procedure;magnetic properties