铁粉含量对明胶基磁流变胶流变性能的影响
Effect of Iron Powder Content on Rheological Properties of Magnetorheological Glutin Gels
摘 要
采用明胶和甘油为连续相制备了不同铁粉含量的磁流变胶,用流变仪测试了其零场黏度、静态屈服应力、流动剪切应力和储能模量.结果表明:随铁粉含量的增多,磁流变胶的零场黏度增大,加剧了剪切致稀现象;铁粉含量与静态屈服应力和流动剪切应力成正比线性关系;铁粉含量可显著提高磁流变胶的储能模量,扩大其线性粘弹区域.
磁流变效应
铁粉
magnetorheological gel
magnetorheological effect
iron powder
Abstract
Using glutin and glycerine as continuous phases,magnetorhological gels(MRGs)with various iron powder contents were prepared.The properties of off-state viscosity,static yield stress,flow shear stress of the MRGs and storage modulus were investigated by rheometer.The results show that the off-state viscosity of the MRGs was significantly enhanced with the increase of the iron powder content.And the phenomenon of shear was aggravated.The static yield stress and flow shear stress increased as a linear function of iron powder content.Iron powder content significantly increased the storage modulus and expanded the linear viscoelastic area.
中图分类号 TG146.1
所属栏目 试验研究
基金项目
收稿日期 2009/4/22
修改稿日期 2009/12/15
网络出版日期
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备注秦利军(1983-),男,河北邯郸人,硕士研究生.
引用该论文: QIN Li-jun,GONG Xing-long,JIANG Wan-quan,LI Jian-feng,PENG Chao. Effect of Iron Powder Content on Rheological Properties of Magnetorheological Glutin Gels[J]. Materials for mechancial engineering, 2010, 34(5): 8～11
秦利军,龚兴龙,江万权,李剑锋,彭超. 铁粉含量对明胶基磁流变胶流变性能的影响[J]. 机械工程材料, 2010, 34(5): 8～11
被引情况:
【1】姬婷婷,翟滢皓,张勇,邓宇君,易培云,来新民, "G-O/P(MMA-co-BA)共聚物复合薄膜表面三维角锥棱镜结构的卷对卷热辊压成形",机械工程材料 39, 58-63(2015)
【2】于国军,郭 斐,葛 晶, "单级配和双级配磁流变复合胶的制备及其流变特性",机械工程材料 40, 34-37(2016)
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【5】叶兴柱,龚兴龙,江万权,等.新型磁流变胶的流变性能[J].机械工程材料,2007,38(7):21-23.
【6】IKKALA O,BRINKE G T.Hierarchical self-assembly in po-lymeric complexes: towards functional materials[J].Chemical Communications,2004,19:2131-2137.
【7】WILSON M J,XIN M,HOLLAND M,et al.In characterization of magnetorheological polymer gels[C]//The AICHE Annual Conference[S.l.]∶[s.n.],2000.
【8】GINDER J M,TRIGG G L.Rheology controlled by magnetic fields[M].New York: VCH Publishers,1996:487-503.
【9】JOLLY M R,BENDER J W,CARLSON J D.Properties and application of commercial magnetorheological fluids[J].Journal of Intelligent Material Systems and Structures,1999,10(1):5-13.
【10】LI W H,DU H J,CHEN G,et al.Nonlinear viscoelastic properies of MR fluids under large-amplitude-oscillatory-shear[J].Rheologica Acta,2003,42:280-286.
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