Effect of magnetic force on rheological and compressive properties of magneto-rheological rubber composites with iron particle and carbon nanotubes

Title
Effect of magnetic force on rheological and compressive properties of magneto-rheological rubber composites with iron particle and carbon nanotubes
Author(s)
이동주류상렬
Keywords
Carbon nanotubes (CNT); Compression characteristics; Compression tests; Compressive properties; Electromagnetic devices; Magneto-rheological; Rubber composite; Rubber mixtures; Carbon nanotubes; Compression testing; Electromagnets; Rubber; Magnetic fields
Issue Date
201302
Citation
Transactions of the Korean Society of Mechanical Engineers, A, v.37, no.2, pp.153 - 160
Abstract
An orthotropic magneto-rheological rubber composite (MRRC) based on a general-purpose rubber can be manufactured by using an electromagnetic device during the curing processes of rubber mixtures. The magnetic transmissivity of MRRCs increases with the iron particle (IP) content, and that of aligned MRRCs with a 2-T magnetic field is 1.8 to 2 times higher as compared to that of randomly dispersed MRRCs. The effect of a 2-T magnetic field on carbon nanotube (CNT) reinforced MRRC has been identified clearly, and the magnetic transmissivity is found to be 3.7%. The compressive stress of MRRC (IP 90 + CNT 5, 2 T alignment) under a magnetic field of 0.49 T is 2.1 times higher as compared to that of the matrix. The MR effect of MRRC increases with the IP content, and that of aligned MRRC with the IP 90 and 2 T magnetic field is 20.4%. It is confirmed that the magnetic field when making the specimen and when performing the compression test greatly impacts the compression characteristics.
URI
http://hdl.handle.net/YU.REPOSITORY/26384http://dx.doi.org/10.3795/KSME-A.2013.37.2.153
ISSN
1226-4873
Appears in Collections:
공과대학 > 기계공학부 > Articles
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