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Fabrication and electromagnetic performance of talc/NiTiO3 composite

机译:滑石粉/ NiTiO3复合材料的制备及电磁性能

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摘要

In this study, the electromagnetic (EM) performance of talc/NiTiO3 composite was evaluated. The morphology of talc displayed a lamella structure; there were many nanoparticles of NiTiO3 coated on the talc lamella. Thermal destruction occurred, which increased the surface area from 2.51 m2 g−1 to 79.09 m2 g−1 at the calcined stage at 650°C. The presence of NiTiO3 increased dielectric loss and magnetic loss of talc. The calculation of EM wave absorption of talc/NiTiO3 obtained a maximum reflection loss of −11.94 dB at the thickness of 6.85 mm; the optimum thickness for microwave absorption is 6.3–7.3 mm. This study revealed a new approach for fabricating an EM absorber and broadening applications of both talc and NiTiO3 in EM absorption.
机译:在这项研究中,评估了滑石粉/ NiTiO3复合材料的电磁性能。滑石的形态显示为薄片状结构。在滑石薄片上涂覆了许多NiTiO3纳米颗粒。发生热破坏,将表面积从2.51 m 2 g -1 增加到79.09 m 2 g -1 在650℃的煅烧阶段。 NiTiO 3的存在增加了滑石的介电损耗和磁损耗。滑石粉/ NiTiO3的电磁波吸收计算结果表明,在厚度为6.85 thicknessmm时,最大反射损耗为-11.94 dB。微波吸收的最佳厚度为6.3–7.3 mm。这项研究揭示了一种制造电磁吸收剂的新方法,并拓宽了滑石和NiTiO3在电磁吸收中的应用。

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