TY - JOUR
T1 - Fabrication and characterization of magneto-rheological shear-stiffened elastomers
AU - Yang, Jian
AU - Sun, Shuaishuai
AU - Du, Haiping
AU - Alici, Gursel
AU - Yan, Tianhong
AU - Li, Weihua
PY - 2014/10/31
Y1 - 2014/10/31
N2 - This study presents a novel smart solid material called magneto-rheological shear-stiffened elastomer (MRSSE) whose storage modulus can be changed obviously by both magnetic field and shear rate. The MRSSE was fabricated by mixing shear-thickening fluids (STFs) with carbonyl iron particles and silicon rubber thoroughly. All of the samples were then tested by using a parallel-plate rheometer. It is noted that increasing strain induces a slight decrease on the storage modulus, but an increase on the maximum shear stress of the samples before a critical shear strain. In terms of the magneto-rheological effect, MRSSE is more sensitive to the change of magnetic field because it shows a faster increase in storage modulus and the maximum shear stress with growing current levels when compared to magneto-rheological elastomer. The comparison results between different MRSSE samples reveal that the bigger the mass fraction of STFs the larger the storage modulus when the samples are loaded at a same shear rate. Additionally, the MRSSE shows an obvious increase on the storage modulus and the maximum shear stress when the shear rate increases.
AB - This study presents a novel smart solid material called magneto-rheological shear-stiffened elastomer (MRSSE) whose storage modulus can be changed obviously by both magnetic field and shear rate. The MRSSE was fabricated by mixing shear-thickening fluids (STFs) with carbonyl iron particles and silicon rubber thoroughly. All of the samples were then tested by using a parallel-plate rheometer. It is noted that increasing strain induces a slight decrease on the storage modulus, but an increase on the maximum shear stress of the samples before a critical shear strain. In terms of the magneto-rheological effect, MRSSE is more sensitive to the change of magnetic field because it shows a faster increase in storage modulus and the maximum shear stress with growing current levels when compared to magneto-rheological elastomer. The comparison results between different MRSSE samples reveal that the bigger the mass fraction of STFs the larger the storage modulus when the samples are loaded at a same shear rate. Additionally, the MRSSE shows an obvious increase on the storage modulus and the maximum shear stress when the shear rate increases.
KW - Magneto-rheological effect
KW - Magneto-rheological elastomers
KW - Magneto-rheological shear-stiffened effect
KW - Magneto-rheological shear-stiffened elastomers
KW - Shear-stiffened effect
KW - Shear-thickening fluids
UR - http://www.scopus.com/inward/record.url?scp=85058116441&partnerID=8YFLogxK
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U2 - 10.3389/fmats.2014.00022
DO - 10.3389/fmats.2014.00022
M3 - Article
AN - SCOPUS:85058116441
VL - 1
JO - Frontiers in Materials
JF - Frontiers in Materials
SN - 2296-8016
M1 - 22
ER -