Conclusions
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1.
We established the dependence of modulus of normal elasticity and hardness on the temperature of Fe-Ni alloys.
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2.
By microstructural analysis of Fe-Ni alloy specimens, we established a correspondence with the phase diagram of the given system. The microstructure was brought to light by chemical etching.
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3.
It was shown that the microstructure of a polished surface is substantially different from the structure in the specimen after 3 hours soaking at 1100° followed by cooling in a vacuum of about 5 × 10−5 mm Hg.
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References
M. G. Lozinskiy, High-Temperature Metallography, Mashgiz, 1956.
M. G. Lozinskiy and A. Ye. Fedorovskiy, Acad. Sci. USSR, OTN, Vol. 5, 1958.
M. Hansen, Structures of binary alloys, Vol. 2, Metallurgizdat, 1941.
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Assonova, Y.A., Lozinskiy, M.G. Effect of temperature on variation in hardness and modulus of elasticity in alloys in the system Fe-Ni. Met Sci Heat Treat 4, 415–418 (1962). https://doi.org/10.1007/BF00820027
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DOI: https://doi.org/10.1007/BF00820027