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Development of smelting and casting technology as well as plastic working of cathodes based on titanium with various chemical composition for the purpose of sputtering in a magnetron line

Project Manager: Lech Bulkowski, Dr. Eng. (BS – Department of Primary Processes)
Ordered by: National Research and Development Centre

The work was done as part of a research project led by the CREO company in Rzeszów, titled: "Research on new generation technologies for ventilation systems and wall construction systems providing very-high microbiological cleanliness parameters: wall surfaces of operating blocks, internal surfaces of ventilation ducts and distributed air ".

The aim of the task realized by IMŻ was to develop a comprehensive technology for semi-industrial production of cathodes from multi-component alloys, including titanium, copper, silver, with high metallurgical purity, photocatalytic, bactericidal and cytotoxic properties.

The production technology of the cathodes required the development of detailed procedures in the range of smelting, refining and casting of these alloys in a vacuum induction furnace, as well as research on plastic forming technology by hot rolling.

The first group of cathodes consisted of pure metals, in the form of copper, titanium, nickel, lead, tin, molybdenum and tungsten. From these metals, full-sized cathodes were prepared, suitable directly for mounting in a magnetron, as well as flat bars, which are cathode fragments mounted on a different subsoile.

The second group of cathodes consisted of multicomponent metal alloys, mainly involving titanium, copper and silver, as well as zirconium, nickel, tin, indium, zinc and silicon, as well as brass alloys, whose manufacturing technologies were developed as a part of the task.

The manufactured plates, being part of finished cathodes as well as finished cathodes, after their verification tests were mounted in a magnetron in the Daglass Company, to spray the bactericidal coatings on various substrates.

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