Influence of Hardening on the Speed of Ultrasound in Steels


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Abstract

The work presents the results of an experimental study on the core speed of ultrasound, the relative thermal expansion, the densities, and the Young’s modulus calculated based on these data for several hardened and annealed steels in a wide temperature range. The experimental data were processed by the least-squares method, which made it possible to obtain approximating equations for the temperature dependences of the studied and calculated properties of steels.

About the authors

V. V. Roshchupkin

Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences

Email: pokrasin@gmail.com
Russian Federation, Moscow, 119334

M. M. Lyakhovitskii

Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences

Email: pokrasin@gmail.com
Russian Federation, Moscow, 119334

M. A. Pokrasin

Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences

Author for correspondence.
Email: pokrasin@gmail.com
Russian Federation, Moscow, 119334

N. A. Minina

Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences

Email: pokrasin@gmail.com
Russian Federation, Moscow, 119334

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