Abstract
Various applications for controllable dampers in the industrial and automotive sector are demanding an improved ER-Fluid, concerning performance and long time behavior. The new ER-Fluid RheOil® 3.0 developed by us and presented here overcomes the main disadvantages like sedimentation and re-dispersing behavior. Besides this, better ER-performance (control ratio, current-density, step response time) could also be achieved. During tests of the response to changing temperature and long time behavior no significant degradation of the fluid or abrasive wear in the components was found over a wide temperature range.
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