New molten metal hybrid filters create better components
The innovative technology using ceramic filter materials was developed at the Freiberg University of Mining and Technology. It enables the molten metal to be cleaned more efficiently, resulting in improved component quality.29 Mar 2020 Barbara Rusch
The production of metallic casting materials results in many different impurities in the molten metal that significantly influence its mechanical properties. They can be removed by intelligent ceramic filter materials or filter systems. In the process, the inclusions are retained on the filter’s surface or are deposited inside the filter.
Scientists at the Freiberg University of Mining and Technology have now developed a new patented process for the production of molten metal hybrid filters as a contribution to the research project Zero Defect Materials . The process includes at least two ceramic, differently coated filter materials, allowing molten metal to be filtered more efficiently and the removal of inclusions with different chemical compositions. Components cast from the purer molten metal have a higher quality and are more resistant. This reduces scrap rates for further processing while increasing the metal recycling possibilities.
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