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首页> 外文期刊>Journal of Materials Engineering and Performance >Electrophoretic Deposition and Characterization of an Al/CuO Energetic Film with a Porous Hollow Microsphere Structure
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Electrophoretic Deposition and Characterization of an Al/CuO Energetic Film with a Porous Hollow Microsphere Structure

机译：具有多孔空心微球结构的Al / CuO能量膜的电泳沉积及表征

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摘要

In this work, an Al/CuO energetic film with a porous hollow structure was obtained by electrophoretic deposition (EPD) from an aqueous solution at low field strengths of 20 V cm(-2) instead of from organic solvents. CuO porous hollow microspheres (PHMSs) were prepared by a one-step hydrothermal method. The shape of the CuO PHMSs was very uniform at the macroscale with a size of 5 mu m. To codeposit the species during the EPD process, the nano-Al particles and CuO PHMSs were modified with acrylic acid and citric acid, respectively. The nano-Al particles were deposited on the surface or in the interior of the CuO PHMSs by an electrical field and formed Al/CuO PHMS composites. The chemical composition, morphology, heat release and combustion of the as-prepared composite coating films were analyzed by XRD, FESEM, FT-IR, EDS, TG-DSC and with a high-speed camera. The heat release of the Al/CuO porous thermite reached 3804 J/g with excellent combustion performance due to the novel microstructure and appropriate modifications.
机译：在这项工作中，通过电泳沉积（EPD）从20Vcm（-2）的低场强的水溶液而不是有机溶剂的水溶液获得具有多孔中空结构的Al / CuO能量膜。通过一步水热法制备CuO多孔空心微球（PHMS）。 CUO PHMSS的形状在宏观上非常均匀，尺寸为5μm。为了在EPD过程中解密物种，分别用丙烯酸和柠檬酸改性纳米-A1颗粒和CUO PHMS。通过电场沉积纳米颗粒或通过电场沉积在CuO PHMS的内部，并形成Al / CuO PHMS复合材料。通过XRD，FESEM，FT-IR，EDS，TG-DSC和高速相机分析了制备的复合涂膜的化学成分，形态，热释放和燃烧。 Al / CuO多孔热量的热释放由于新颖的微观结构和适当的修饰而达到3804J / g，具有优异的燃烧性能。

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