Experimental Methods for Determination of the Magnitude and Temperature Dependence of the Viscosity of Amorphous Metallic Alloys

Abstract

The importance of knowing the magnitude and the temperature dependence of glassy metals viscosity is presented. The possibility for estimation of the critical cooling rate for obtaining the metallic alloys in amorphous state via rapid cooling from the melt is analyzed. An overview about the bibliographic sources devoted to the determination of glassy metals viscosity under isothermal and nonisothermal experimental conditions is proposed. The experimental techniques are taken under consideration. A thorough analysis of the method for precise determination of glassy metals viscosity under nonisothermal conditions is presented. A real estimation of the critical cooling rate with Fe–B glassy alloy as an example is demonstrated.

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Title
Experimental Methods for Determination of the Magnitude and Temperature Dependence of the Viscosity of Amorphous Metallic Alloys
Book Title
Glassy Metals
Book DOI
10.1007/978-3-662-47882-0
Chapter DOI
10.1007/978-3-662-47882-0_3
Part of
Volume
Editors
Authors
  • Krassimir Russew Send Email (3)
  • Liljana Stojanova Send Email (3)
  • Author Affiliation
  • 3 Institute of Metal Science, Equipment and Technologies “Acad. A. Balevski” with Hydroaerodynamics Centre, 67, Shipchenski prohod Str, 1574, Sofia, Bulgaria
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