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CIP 부피비에 따른 이방성 MRE의 전단계수 변화율

Title
CIP 부피비에 따른 이방성 MRE의 전단계수 변화율
Other Titles
The Variation Rate of Shear Modulus for Anisotropic Magneto-rheological Elastomer due to Volume Fraction of CIP
Author
오재응
Keywords
맥스웰-가넷 혼합 법칙; 이방성; 자기반응성 입자; 전단계수; Anisotropic; Carbonyl Iron Powder; Magneto-rheological Elastomer; Maxwell-Garnett Mixing Rule; MR 고무; Shear Modulus; 공학 / Engineering; 음향학, 진동학
Issue Date
2011-12
Publisher
한국소음진동공학회 / Korean Society for Noise and Vibration Engineering(KSNVE)
Citation
한국소음진동공학회 학술대회, Dec 2011, 10, P.390-391, 2P.
Abstract
MRE(magneto-rheological elastomers) is a material which shows reversible and various modulus in magnetic field. Comparing to conventional rubber vibration isolator, MREs are able to absorb vibration of broader frequency range. These characteristic phenomena result from the orientation of magnetic particles named carbonyl iron powder(CIP) in rubber matrix. In this paper, simulation on variation rate of shear modulus for anisotropic MRE due to volume fraction of CIP and an effective permeability model was applied to predict the field-induced shear modulus of MREs. Also, the variation rate of shear modulus for anisotropic MRE was derived using magneto-mechanical theory. Based on Maxwell-Garnett mixing rule, the increment of shear modulus was calculated to evaluate the shear modulus of MREs with column structure of CIP due to induced current. The simulation results on variation rate of shear modulus can be applied to the variable mechanical system of MRE such as tunable vibration absorber, stiffness variable bush and mount.
URI
http://www.ndsl.kr/ndsl/search/detail/article/articleSearchResultDetail.do?cn=NPAP09908491
ISSN
1598-2785
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > MECHANICAL ENGINEERING(기계공학부) > Articles
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