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Magnetic field intensity and graphene concentration effects on electrical and rheological properties of MREs-based membranes

机译:磁场强度和石墨烯浓度对基于MRES膜的电气和流变性质的影响

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摘要

Electric capacitors are manufactured having as dielectric materials cotton fabric-based membranes reinforced with silicone oil (20% vol), carbonyl iron (20% vol), graphene nanoparticles (nGr; Phi = 0%, 4%, 8%, 12%, 16% and respectively 20% vol) and silicone rubber (60%, 56%, 52%, 48%, 44% and respectively 40% vol). The equivalent capacitance (C-p) and resistance (R-p) of the capacitors are measured using an RLC bridge at a frequency of 10 kHz and for magnetic field intensities 0 <= H(kA m(-1)) <= 200. From the functions C-p= C-p(H)(Phi) and R-p = R-p(H)(Phi) we obtain the real (is an element of '(r)) and imaginary (is an element of ''(r)) components of the complex relative dielectric permittivity is an element of(r)*, the electrical conductivity sigma, and viscosity eta of the membranes. We show that is an element of '(r), is an element of ''(r), sigma, and eta increase with H and they are sensibly influenced by Phi. We present and discuss the obtained results.
机译:电容器具有用硅油(20%Vol),羰基纳米粒子(20%Vol),石墨烯纳米粒子(NGR; PHI = 0%,4%,8%,12%, 16%且分别20%的体积20%)和硅橡胶(60%,56%,52%,48%,44%和40%体积)。 使用10kHz频率的RLC桥和磁场强度0 <= H(Ka m(-1))<= 200.从功能中使用电容器的等效电容(CP)和电阻(RP)。 CP = CP(h)(phi)和rp = rp(h)(phi)我们获得真实(是'(r)的一个元素)和虚构的(是'(r)的元素)复杂的组件 相对介电常数是(R)*,导电σ和膜的粘度ETa的元素。 我们表明,这是'(r)的一个元素,是''(r),sigma和eta与h增加的元素,它们被phi明智地影响。 我们展示并讨论获得的结果。

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