Conclusions
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1.
The temperatures of the beginning and the end of recrystallization of nickel rolled at 800 and 900°C and quenched are 100° higher than those of nickel rolled at 20°C (swaged 25%). These conditions decrease the recrystallization rate at 600°C, and thus increase the heat resistance of nickel.
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2.
In nickel rolled at high temperatures with subsequent quenching as well as in nickel rolled at 20°C, the heat resistance at 600°C in vacuum (σ=10 kg/mm2) is higher than the heat resistance of annealed nickel. The time preceding rupture and the time required for 1% elongation increase even when the tests are made at the recrystallization temperature.
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3.
The recrystallization of rolled nickel at 600°C prevents elongation of the samples at the beginning of the test.
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Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 5, pp. 54–60, May, 1963
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Lozinskii, M.G., Mirotvorskii, V.S. & Antipova, E.I. Effect of rolling conditions on the recrystallization and strength of nickel under stress at high temperatures. Met Sci Heat Treat 5, 294–299 (1963). https://doi.org/10.1007/BF00649341
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DOI: https://doi.org/10.1007/BF00649341