Conclusions
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1.
The modulus of elasticity E at 20–625°C is highest for high-speed tungsten-molybdenum steel R8M3K6S and R6M5 with HRC 63-67.
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2.
The lower homogeneity of the structure induced by uneven distribution of carbides in high-speed steel or the formation of excess ferrite in die steels lowers the modulus of elasticity.
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3.
In all steels investigated the modulus of elasticity decreases almost linearly with increasing temperature.
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Literature cited
V. I. Korotkov, “Dynamic methods of measuring the modulus of elasticity,” Zavod. Lab., No. 1 (1956).
A. F. Matveev, E. E. Ryb, and L. S. Fraitman, “Instrument for determining the modulus of elasticity at elevated temperatures,” Zavod. Lab., No. 5 (1952).
Additional information
Moscow Machine-Tool Institute. Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 3, pp. 56–57, March, 1973.
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Semichastnaya, A.V., Aleshkin, F.I. Effect of temperature on the modulus of elasticity of high-speed and die steels. Met Sci Heat Treat 15, 236–237 (1973). https://doi.org/10.1007/BF00648161
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DOI: https://doi.org/10.1007/BF00648161