高纯球形硅微粉及气相白炭黑含量对剪切增稠液流变性能的影响
Influences of High Purity Spherical Silica Powder and Fumed Silica on Rheological Properties of Shear Thickening Fluids
摘 要
以聚乙二醇400为分散介质, 高纯球形硅微粉为分散相, 气相白炭黑M-5为添加剂, 采用球磨法制备了颗粒含量不同的剪切增稠液(STF), 研究了高纯球形硅微粉和气相白炭黑含量对其流变性能的影响, 并修正了剪切增稠段的黏度公式。结果表明: 高纯球形硅微粉的含量越高, STF的剪切增稠效应越明显; 气相白炭黑可以显著改善STF的剪切增稠效应, 通过改变其加入量, 可以实现STF剪切增稠效应由连续性向非连续性过渡; 通过拟合试验数据得到的修正剪切增稠段黏度模型与试验数据吻合得很好。
气相白炭黑
硅微粉
流变性能
shear thickening fluid
fumed silica
silica powder
rheological property
Abstract
Taking polyethylene glycol 400 as dispersion medium, high purity spherical silica powder as dispersion phase and fumed silica M-5 as additive, shear thickening fluid (STF) containing different contents of particles were prepared by ball-milling method. Effects of high purity spherical silica podwer and fumed silica on the rheological properties of STF were investigated, and a modified viscosity model for shear thickening section was proposed. The results demonstrate that the shear stiffening effect of STF enhanced with the increase of spherical silica powder contents; fumed silica can significantly improve the shear thickening effect of STF, and adjusting the content of fumed silica can realize the STF from continuity to discontinuity. Besides, through fitting experimental data, the modified viscosity model for shear thickening section agrees well with experimental data.
中图分类号 TB381 TM27 DOI 10.11973/jxgccl201611003
所属栏目 试验研究
基金项目 国家自然科学基金青年基金资助项目(51508237); 江苏省自然科学基金青年基金资助项目(BK20140560); 江苏大学高级专业人才科研启动基金资助项目(14JDG161); 江苏省普通高校研究生科研创新计划项目(B14042/B1305310); 常州市工业支撑计划(工业)项目(CE20150056)
收稿日期 2016/3/28
修改稿日期 2016/8/26
网络出版日期
作者单位点击查看
备注于国军(1981-), 男, 江苏盐城人, 讲师, 博士。
引用该论文: YU Guo-jun,GUO Fei,GE Jing. Influences of High Purity Spherical Silica Powder and Fumed Silica on Rheological Properties of Shear Thickening Fluids[J]. Materials for mechancial engineering, 2016, 40(11): 10～15
于国军,郭 斐,葛 晶. 高纯球形硅微粉及气相白炭黑含量对剪切增稠液流变性能的影响[J]. 机械工程材料, 2016, 40(11): 10～15
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参考文献
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【3】MARANZANO B J, WAGNER N J. The effects of particle-size on reversible shear thickening of concentrated colloidal dispersions［J］. Journal of Chemical Physics, 2001,114(23): 10514-10527.
【4】EGRES R G, WAGNER N J. The rheology and microstructure of acicular precipitated calcium carbonate colloidal suspensions through the shear thickening transition［J］. Journal of Rheology, 2005,49(3): 719-746.
【5】LAUN H M. Rheological properties of aqueous polymer dispersions［J］. Angewandte Makromolekulare Chemie, 1984,123: 335-359.
【6】LAUN H M, BUNG R, SCHMIDT F. Rheology of extremely shear thickening polymer dispersions(passively viscosity switching fluids)［J］.Journal of Rheology,1991,35(6): 999-1034.
【7】XU J, JAMIESON A M, WANG S Q, et al. Shear thickening and time-dependent rheological behavior in aqueous polyacrylic ester dispersions［J］. Journal of Colloid and Interface Science, 1996,182(1): 172-178.
【8】SHA X, YU K, CAO H, et al. Shear thickening behavior of nanoparticle suspensions with carbon nanofillers［J］. Journal of Nanoparticle Research, 2013,15(7): 1-11.
【9】GALINDO-ROSALES F J, RUBIO-HERNANDEZ F J, SEVILLA A. An apparent viscosity function for shear thickening fluids［J］. Journal of Non-newtonian Fluid Mechanics, 2011,166(5/6): 321-325.
【10】TIAN T, PENG G, LI W, et al. Experimental and modelling study of the effect of temperature on shear thickening fluids［J］. Korea-Australia Rheology Journal, 2015,27(1): 17-24.
【11】ZHANG X Z, LI W H, GONG X L. The rheology of shear thickening fluid (STF) and the dynamic performance of an STF-filled damper［J］. Smart Materials & Structures, 2008,17: 847-854.
【12】HONG Z, GUO C Y, ZONG L H, et al. Performance of shear thickening fluid and a damper as its application［J］.Journal of Vibration & Shock, 2013,32(18): 15-20.
【13】蒋伟峰. 剪切增稠材料的力学性能表征及机理研究［D］. 合肥: 中国科学技术大学, 2015.
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