Conclusions
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1.
With decreasing temperatures the yield strength of all the alloys tested increases down to −253°C and then drops slightly at −269°C in almost all cases.
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2.
Alloy VT1-1 is not sensitive to stress concentrations, although its use is limited because of its relatively low strength.
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3.
Alloy AT2-2 has a high strength and plasticity and is insensitive to stress concentrations at all temperatures.
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Literature cited
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Additional information
Institute of Mechanical Sciences. Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 10, pp. 24–28, October, 1968.
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Koshelev, P.F., Gudkov, S.I. & Chekmareva, P.P. Mechanical properties of structural alloys at temperatures down to −269°C. Met Sci Heat Treat 10, 782–785 (1968). https://doi.org/10.1007/BF00654136
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DOI: https://doi.org/10.1007/BF00654136