Conclusions
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1.
The use of ESR for beryllium bronze eliminates resegregation, reduces the oxygen content, refines inclusions, and improves the ductility. This makes it possible to increase the annual output and to use greater reductions (∼90%).
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2.
After quenching and aging or MTT of beryllium bronze BNT1.9Mg melted by ESR the bronze has a higher elastic limit and relaxation resistance under conditions of cyclic and static loading, high resistance to creep, high fatigue strength, high electrical conductivity, and higher fracture toughness as compared with standard VI bronze.
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Literature cited
Kh. G. Tkhagapsoev et al., "Structure and properties of beryllium bronze microalloyed with magnesium", Metalloved. Term. Obrab. Met., No. 2, 19 (1970).
Zh. P. Pastukhova et al., "Stepped aging of copper-beryllium alloys," Izv. Akad. Nauk SSSR, Met., No. 5, 154 (1977).
A. V. Gavrilova, Yu. A. Kaplun, and Zh. P. Pastukhova, "Structure and properties of beryllium bronze after aging under load," Metalloved. Term. Obrab. Met., No. 8, 69 (1977).
Additional information
Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 12, pp. 16–19, December, 1979.
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Pastukhova, Z.P., Rakhshtadt, A.G., Zarembo, Y.I. et al. Effect of electroslag remelting on the properties of beryllium bronze. Met Sci Heat Treat 21, 911–915 (1979). https://doi.org/10.1007/BF00706625
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DOI: https://doi.org/10.1007/BF00706625