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陶瓷泡沫过滤器是最近几年美国统一铝公司和瑞士铝公司研制出的一种新的铝熔体过滤技术。它是将耐高温陶瓷浆灌注在开孔聚氨酯软泡沫中,然后烧掉有机泡沫形成通孔陶瓷结构,它具有繁多而形状复杂的内部。通孔,通孔率达85～95％,在铝铸件浇注系统中放置这种过滤器,可充分过滤出存在于熔体中的细小非金属夹杂物,可铸造用X光照片检查无缺陷的铸件。机械性能特别是延伸率有明显提高。
Ceramic foam filter is the United States in recent years, the United Aluminum Company and Swiss Aluminum Company developed a new aluminum melt filtration technology. It is a high temperature ceramic slurry poured in open-cell polyurethane foam, and then burn out the organic foam to form a through-hole ceramic structure, which has a large and complex shape of the interior. Through-hole, through-hole rate of 85 ~ 95%, placed in the casting system of aluminum casting this filter can be fully filtered out of the presence of small non-metallic inclusions in the melt can be cast X-ray examination without defects casting. Mechanical properties, especially the elongation rate has significantly improved.