鉴于油酸和月桂酸2种表面活性剂对磁流变液稳定性所起到的不同的作用,制备了若干种不同配比的以油酸和月桂酸共同添加的磁流变液,测量它们的零场粘度、力学性能和沉降率-时间曲线,研究了月桂酸、油酸和羰基铁粉3种成分的含量对于磁流变液稳定性和力学性能的影响。结果表明合理的添加油酸和月桂酸对于制备零场粘度小且稳定性优良的磁流变液具有显著的效果。
The effects of oleic acid and lauric acid on the stabilization of magnetorheological fluids（MRF） were investigated experimentally.Several groups of samples were prepared,with both lauric acid and oleic acid as additives.The variations of the zero-field viscosity,mechanical property and sedimentation rate of these samples against time were tested,and the effects of volume fractions of lauric acid,oleic acid and carbonyl iron on the stabilization and mechanical property of the MRF samples were studied.The results indicated that the proper addition of lauric acid and oleic acid could significantly improve the mechanical property of magnetorheological fluids.
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