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Study of Thermal Properties of Cast Metal- Ceramic Composite Foams

机译：铸造金属陶瓷复合泡沫的热性能研究

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Owing to its properties, metallic foams can be used as insulation material. Thermal properties of cast metal-ceramic composite foams have applications in transport vehicles and can act as fire resistant and acoustic insulators of bulkheads. This paper presents basic thermal properties of cast and foamed aluminum, the values of thermal conductivity coefficient of selected gases used in foaming composites and thermal capabilities of composite foams (AlSi11/SiC). A certificate of non-combustibility test of cast aluminum-ceramic foam for marine applications was included inside the paper. The composite foam was prepared by the gas injection method, consisting in direct injection of gas into liquid metal. Foams with closed and open cells were examined. The foams were foaming with foaming gas consisting of nitrogen or air. This work is one of elements of researches connected with description of properties of composite foams. In author's other works acoustic properties of these materials will be presented.
机译：由于其性能，金属泡沫可用作绝缘材料。铸造金属-陶瓷复合泡沫的热性能已在运输车辆中应用，可以用作舱壁的耐火和隔音材料。本文介绍了铸铝和泡沫铝的基本热性能，用于泡沫复合材料的选定气体的导热系数值以及复合泡沫（AlSi11 / SiC）的热性能。纸内附有用于船用的铸铝陶瓷泡沫的不燃性测试证书。通过气体注入方法制备复合泡沫，该方法包括将气体直接注入到液态金属中。检查具有闭孔和开孔的泡沫。泡沫用由氮气或空气组成的发泡气体发泡。这项工作是有关复合泡沫塑料性能描述的研究要素之一。在作者的其他作品中，将介绍这些材料的声学特性。

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