Influence of the Content of Reducing Agent and Scheelite Concentrate in Thermite Charges on the Physical and Mechanical Properties of Alloys Produced by Aluminothermy
Under industrial conditions, melt for the production of cast products from wear-resistant steels is produced mainly by modifying iron-carbon-based alloys with ferrotungsten. Ferrotungsten production is a material-intensive and energy-consuming process that does not allow the direct use of ore concen...
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| Veröffentlicht in: | Metallurgist (New York) 2023, Vol.66 (9-10), p.1147-1161 |
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| creator | Komarov, O. N. Zhilin, S. G. Predein, V. V. Popov, A. V. |
| description | Under industrial conditions, melt for the production of cast products from wear-resistant steels is produced mainly by modifying iron-carbon-based alloys with ferrotungsten. Ferrotungsten production is a material-intensive and energy-consuming process that does not allow the direct use of ore concentrates as a modifier due to their complex chemical composition. The growth of the global consumption of wear-resistant steels and products from them necessitates search for and development of alternative methods to produce such alloys. The aluminothermic remelting of mixtures consisting of scale, reducing agent, and tungsten-containing component is aimed at solving the problems of processing man-made formations to produce metal products in the form of wear-resistant steel castings. Scheelite concentrate is used in the experimental process, which makes it possible to reduce the processing chain of tungsten use to one stage. The results of studies of the aluminothermal process of producing castings from thermite compositions are presented. The pattern of influence of the content of reducing agent and scheelite concentrate on the physical and mechanical properties of the metal is experimentally established. |
| doi_str_mv | 10.1007/s11015-023-01427-1 |
| format | Article |
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| subjects | Abrasion resistant steels Alloys Aluminothermic reduction Castings Characterization and Evaluation of Materials Chemical composition Chemistry and Materials Science Consumption (Economics) Ferrotungsten Materials Science Mechanical properties Melting Metallic Materials Physical properties Production methods Reducing agents Scheelite Specialty metals industry Tungsten Tungsten compounds Wear resistance |
| title | Influence of the Content of Reducing Agent and Scheelite Concentrate in Thermite Charges on the Physical and Mechanical Properties of Alloys Produced by Aluminothermy |
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