Structural Changes of a Hot-Deformed Nickel Alloy in Mechanical Energy Dissipation Processing Maps


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Abstract—The structure of a high-temperature nickel alloy subjected to hot plastic deformation has been studied by optical metallography and scanning electron microscopy. The compression-test results obtained in the strain-rate range from 10–3 to 10 s–1 and temperature range of 900–1140°C have been used to construct a processing map showing extreme values of the coefficient of efficiency of the mechanical energy dissipation. A correspondence between the positions of extrema on the processing map and the peculiarities of structural changes has been found.

作者简介

B. Barakhtin

National Research Center Kurchatov Institute, Central Research Institute of Structural Materials Prometey

Email: yulia.markova@inbox.ru
俄罗斯联邦, St. Petersburg, 191015

E. Vasil’eva

National Research Center Kurchatov Institute, Central Research Institute of Structural Materials Prometey

Email: yulia.markova@inbox.ru
俄罗斯联邦, St. Petersburg, 191015

Yu. Markova

National Research Center Kurchatov Institute, Central Research Institute of Structural Materials Prometey

编辑信件的主要联系方式.
Email: yulia.markova@inbox.ru
俄罗斯联邦, St. Petersburg, 191015

K. Okhapkin

National Research Center Kurchatov Institute, Central Research Institute of Structural Materials Prometey

Email: yulia.markova@inbox.ru
俄罗斯联邦, St. Petersburg, 191015

S. Petrov

National Research Center Kurchatov Institute, Central Research Institute of Structural Materials Prometey

Email: yulia.markova@inbox.ru
俄罗斯联邦, St. Petersburg, 191015

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