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Effect of Heat Treatment of a Melt on the Structure and Properties of the Corresponding Crystalline Ingots or Castings

Authors
  • Popel’, P. S.1
  • Sidorov, V. E.1, 2
  • Brodova, I. G.3
  • Calvo-Dahlborg, M.4
  • Dahlborg, U.4
  • 1 Ural State Pedagogical University, Yekaterinburg, Russia , Yekaterinburg (Russia)
  • 2 Ural Federal University, Yekaterinburg, Russia , Yekaterinburg (Russia)
  • 3 Institute of Metal Physics, Ural Branch, Russian Academy of Sciences, Yekaterinburg, Russia , Yekaterinburg (Russia)
  • 4 University of Rouen, Rouen, France , Rouen (France)
Type
Published Article
Journal
Russian Metallurgy (Metally)
Publisher
Pleiades Publishing
Publication Date
Aug 03, 2020
Volume
2020
Issue
8
Pages
821–840
Identifiers
DOI: 10.1134/S0036029520080133
Source
Springer Nature
Keywords
License
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Abstract

AbstractThe modern concepts of the structure of liquid metals and alloys are considered. Several types of microinhomogeneity and microheterogeneity are shown to exist in liquid metal solutions. Their structural state changes as a result of variations in composition, history, temperature, and pressure or the influence of various external actions. Upon subsequent cooling at an appropriate rate, these changes can persist up to liquidus and affect the structure and properties of the solidified alloy. The main attention is paid to the influence of the heating temperature of a liquid metal. For aluminum-based alloys, the possibility of developing the optimum heat-treatment conditions for melting using the results of studying the structure and properties of melts has been shown. This optimized heat treatment of melts is shown to be an effective method to improve the quality of alloys.

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