Conclusions
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1.
The PAP-9 furnace, ensuring even heating of castings with a temperature differential not over ±2°C, has a substantial advantage over the resistance shaft furnaces presently used for heat treating magnesium alloy parts.
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2.
The PAP-9 fulfills the requirements for high-quality heat treatment for magnesium castings and can be recommended for wide use.
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3.
With the PAP-9 furnace it is possible to use a single heat treatment for magnesium castings with wall thicknesses from 10 to 40 mm (quenching temperature 420°C, holding 8 h, cooling in air) and thus cut the treatment time in half.
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Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 3, pp. 73–74, March, 1969
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Krymov, V.V., Panin, B.V., Zhezher, V.F. et al. Heat treatment of ML5 alloy in PAP furnace. Met Sci Heat Treat 11, 243–244 (1969). https://doi.org/10.1007/BF00658747
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DOI: https://doi.org/10.1007/BF00658747