Preparation and Properties of Silicone Oil-based Magnetorheological Fluids
摘 要
采用羰基铁粉和甲基硅油为主要原料,制备了不同密度的磁流变液;研究了磁流变液的密度与饱和磁化强度的关系,对不同密度试样的流变性能进行了测试.结果表明:试样的饱和磁化强度随密度的增加线性增加;在零外磁场作用下,试样的剪切应力同样随剪切速率的增加而线性增加,粘度随剪切速率的增加而降低,属于非牛顿流体;试样的屈服强度随外磁场强度的增加而快速增大.
Abstract
Magnetorheological fluids with different densities were prepared using carbonyl iron and methyl-silicone oil as main raw materials.The relationship between density and saturation magnetization was studied and the rheologic behavior of the fluids with different densities was also investigated.The results show that the saturation magnetization was proportional to density of the fluid.When there was no external magnetic field,shear stress increased linearly with the increasing of shear rate but the viscosity decreased to a certain extent with the increasing of shear rate.The prepared fluids belonged to non-Newtonian fluid.The yield strength increased quickly with the increase of applied magnetic intensity.
中图分类号 TM214
所属栏目 材料性能及其应用
基金项目
收稿日期 2007/7/18
修改稿日期 2007/9/15
网络出版日期
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备注黄巍(1979-),男,江苏南通人,博士研究生.
引用该论文: HUANG Wei,QI Fei-xia,LI Rong,WU Jian-min. Preparation and Properties of Silicone Oil-based Magnetorheological Fluids[J]. Materials for mechancial engineering, 2008, 32(7): 68~69
黄巍,齐飞霞,李蓉,吴建民. 硅油基磁流变液的制备及其特性[J]. 机械工程材料, 2008, 32(7): 68~69
被引情况:
【1】李敬民,晁月盛,周丹晨,李昌安, "利用氧化铁皮制备还原铁粉磁流变液",机械工程材料 34, 46-49(2010)
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参考文献
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【2】赵雯,张秋禹,王结良,等.磁流变液及其应用[J].材料导报,2004,18(5):68-71.
【3】黄豪彩,黄宜坚.磁流变技术及其在机械工程中的应用[J].制造技术与机床,2003(4):24-26.
【4】胡林,张朝平.明胶-氧化铁磁流变液的制备及性能[J].机械工程材料,2006,30(7):48-50.
【5】沈一丁.高分子表面活性剂[M].北京:化学工业出版社,2002.
【6】关新春,李金海,欧进萍.软性沉降磁流变液的研制及性能实验研究[J].功能材料与器件学报,2004,10(1):115-119.
【7】汪建晓,孟光.磁流变液研究进展[J].航空学报,2002,23(1):6-12.
【8】Huang Wei,Wu Jianmin,Guo Wei.Initial susceptibility and viscosity properties of low concentration ε-Fe3N based magnetic fluid[J].Nanoscale Research Letter,2007,2:155-160.
【9】田玲,张琳,王传杰.磁流变液及其在流体传动中的工程应用[J].液压与气动,2003(8):41-43.
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