The strengthening effect of guar gum on the yield stress of magnetorheological fluid

被引：47
作者：
Wu, Wei Ping
Zhao, Bin Yuan
Wu, Qing
Chen, Le Sheng
Hu, Ke Ao
机构：
[1] Shanghai Jiao Tong Univ, State Key Lab Met Matrix Composites, Shanghai 200030, Peoples R China
[2] Chinese Acad Sci, Inst Chem, Grad Sch, Beijing 100080, Peoples R China
[3] Shanghai Jiao Tong Univ, Dept Instrumentat Engn, Shanghai 200030, Peoples R China
来源：
SMART MATERIALS & STRUCTURES | 2006年 / 15卷 / 04期
关键词：
D O I：
10.1088/0964-1726/15/4/N04
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
In this paper we present a novel approach for producing obvious strengthening of the magnetorheological (MR) effect of MR fluids. Carbonyl iron powders coated with guar gum were used as magnetic particles in the MR fluid. Experimental results showed that inducing a guar gum coating not only greatly improved the sedimentation stability but also strengthened the yield stress of the MR fluid. An intermolecular force based model was proposed for explaining the strengthening effect.
引用
收藏
页码：N94 / N98
页数：5
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