简要介绍了磁流变液和磁流变效应。详细分析了磁流变液的性能及其影响因素,将其与电流变液进行了对比,表明磁流变液具有很多优点。在此基础上,介绍了磁流变液应用于汽车工业的结构形式,以及在制动、传动和减振降噪领域应用的一些器件。对磁流变液应用于汽车的前景进行了分析并指出了存在的问题。 The magnetorheological fluid and magnetorheological effect are briefly introduced. The performance of MR fluid and its influencing factors are analyzed in detail. Compared with ER fluids, it shows that MR fluids have many advantages. On this basis, the structure of MRF used in the automotive industry, as well as some devices used in the field of braking, transmission and vibration and noise reduction are introduced. The prospect of applying MR fluids to automobiles was analyzed and the existing problems were pointed out.