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SOME NEW MEANS OF PRODUCING EXTREMELY HIGH TEMPERATURES

Cohn, Willi M.

Journal of the Ceramic Association, Japan, 1934, Vol.42(503), pp.711-715

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Título:
SOME NEW MEANS OF PRODUCING EXTREMELY HIGH TEMPERATURES
Autor: Cohn, Willi M.
É parte de: Journal of the Ceramic Association, Japan, 1934, Vol.42(503), pp.711-715
Descrição: In vestigations at very high temperatures require the solution of a number of interesting problems. Some modern means of obtaining extremely high temperat ures in the laboratory are: Use of an electric arc in connection with two hollow mirrors; tungsten and molybdenum furnaces for work in oxidizing or reducing atmospheres or in the vacuum; and gas fired zirconium oxide furnaces. Electron bombardment of solids is the most satisfactory metho l for vacuum work. High temperature investigations under very pure conditions have been carried out recently using the radiant energy of the sun. These investigations may be carried out in any atmosphere or in the vacuum. Both electron bombardment and the sun furnace allow to obtain temperatures limited only by the evaporation of the sample. Some other means are mentioned for obtaining very high temperatures for very shcst intervals.
Editor: The Ceramic Society of Japan
Idioma: Japonês

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