Investigation of the durability of anisotropic magnetorheological elastomers based on mixed rubber
作者： W Zhang , XL Gong , WQ Jiang , YC Fan , None
DOI: 10.1088/0964-1726/19/8/085008
关键词: Dynamic mechanical analysis 、 Magnetorheological fluid 、 Composite material 、 Anisotropy 、 Materials science 、 Durability 、 Natural rubber 、 Magnetorheological elastomer 、 Dynamic modulus 、 Elastomer
摘要: Magnetorheological elastomer (MREs)-based devices often operate at cyclic loading and high temperature conditions, which may cause fatigue aging problems of MRE materials. This paper investigates the durability properties materials based on a mixed matrix: cis-polybutadiene rubber (BR) natural (NR). Six MREs samples were fabricated their mechanical under with constant strain amplitude 50% different temperatures measured. The absolute MR effect, storage modulus (G') loss (G'') after evaluated by modified dynamic analyzer (DMA). results revealed that G' G'' all depended number cycles, but contained ratios two rubbers showed distinct properties. only BR change little, NR was large decreased increment cycle number. Meanwhile, effects increased loading. also dependent time temperatures. time, more had better because effect higher slowly than BR. relationship between properties, conditions analyzed.
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