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首页> 外文会议>ICTAP 2012 >Magneto-elasticity in Hydrogels Containing Fe_3O_4 Nanoparticles and Their Potential Applications
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Magneto-elasticity in Hydrogels Containing Fe_3O_4 Nanoparticles and Their Potential Applications

机译：含有Fe_3O_4纳米粒子及其潜在应用的水凝胶中的磁弹性

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The magnetic hydrogels have been fabricated via standard method of polymer preparation. Hydrogels were the mixture of polyvinyl alcohol (PVA) and water by certain ratio of mass. Magnetism in hydrogels was presented by introduction of magnetic Fe_3O_4 nanoparticles with crystal size ranging from 11 nm to 15 nm, prepared by coprecipitation technique from iron-sands. According to the magnetic induction experiment, it has shown that the magneto-elasticity of gels containing Fe_3O_4 of around 2.5% - 15% tends to decrease as increasing Fe_3O_4 concentration. The magneto-elasticity responses of the gels clearly form hysteresis in the increasing and decreasing applied magnetic field, where in turn open the potential applications of these magnetic hydrogels.
机译：通过的聚合物制备方法制造磁性水凝胶。水凝胶是聚乙烯醇（PVA）和水的混合物通过一定的质量比。通过引入磁性Fe_3O_4纳米颗粒的磁凝胶中的磁性磁凝胶中的磁性，通过来自铁砂的共沉淀技术制备的晶体尺寸为11nm至15nm。根据磁感应实验，表明含有约2.5％-15％约2.5％-15％的凝胶的磁性弹性趋于降低，因为Fe_3O_4浓度增加。凝胶的磁弹性响应在增加和减小的施加磁场中清楚地形成滞后，其中又在其中打开这些磁性水凝胶的潜在应用。

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