The influences on field-induced chains by nonmagnetic microstructures inside the magnetorheological fluids Based on PTFE-oil organogel
作者: Hansong ZhangZhide HuHua YanJianjian YangFanghao Niu
刊名: Applied Rheology, 2018, Vol.28 (5)
来源数据库: Applied Rheology
DOI: 10.3933/ApplRheol-28-53921
关键词: Rheology
原始语种摘要: Polytetrafluoroethylene (PTFE) micropowders were used to prepare PTFE-oil organogel. Carbonyl iron particles were dispersedin this organogel to fabricate magnetorheological fluids. The main aim of this paper is to investigate the influences on fieldinducedchains by non-magnetic microstructures inside these organogel-based MRFs. The field-induced anisotropy of MRFsbetween first normal stress differences to shear stresses and dynamic modulus reveal that organogel widen the non-Newtonian elastic range of MRFs as long as the non-magnetic particles content is appropriate. Both theoretical and experimentalresults of static and dynamic normal forces indicate that normal forces are influenced by magnetic and non-magneticmicrostructures comprehensively. The dynamic normal forces are lower than...
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关键词翻译
关键词翻译
  • organogel 有机凝胶
  • PTFE 聚四氟乙烯
  • nonmagnetic 非磁性的
  • field 
  • induced 感应的
  • fabricate 伪造
  • modulus 系数
  • prepare 准备
  • reveal 显露
  • strength 强度