The Use of Silicon Production Waste as an Effective Additive in the Manufacture and Machining of Various Materials

Abstract:

The article describes the results of experiments on the use of silicon production waste as an additive that improves the structure and properties of materials and the efficiency of welding process. The flotation technology can be used to separate gas cleaning dust, which is a silicon production waste product, into commercial products. The chamber product, containing ultrafine silica, was used as a modifying additive in concrete. It improved its structure and increased its strength compared to the samples without additives. The modifier made from chamber products introduced into gray cast iron made it possible to obtain graphite of a more favorable shape as compared to the lamellar form of graphite in traditional gray cast iron. Its strength increased. The experimental results on the welding process with an activating flux, which includes ultrafine silica isolated from the metallurgical waste, are presented. The activating flux improved the penetrating ability of the welding arc by 1.5-3 times, the energy consumption decreased by 30-50%.

• Periodical: Materials Science Forum (Volume 1052)
• Pages: 448-453
• DOI: https://doi.org/10.4028/p-5k645l
• Online since: February 2022
• Authors: Marina V. Konstantinova, Elena A. Guseva, Natalia A. Astafeva*
• Keywords: Activating Flux, Arc Welding, Modifying Additives, Resource Saving, Ultrafine Silica, Waste Processing

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