8th International Conference MTP-2023: Modern Trends in Physics, Baku, Azerbaijan, 30 November - 01 December 2023, pp.181-182
The
presentation will be an overview of the main research thrusts at the “Novel
Alloys Design and Development Lab” (NOVALAB) of MetEMETU, and at "Novel
Materials and Nanotechnology" Research Center of Azerbaijan Technical University (AzTU) in the designing and development of advanced multicomponent bulk metallic glassy alloys for technological applications. Fundamental principles and main aspects of Computational Materials Science (CMS) for modeling and simulation based “alloy design”
which has been developed over 30 years at our
Labs, will be presented..
Bulk metallic glasses
(BMG) show a unique combination of specific metallic and glassy properties and since most of these properties cannot be found in crystalline materials,
the BMG are attractive for practical
utilization as a new class of structural as well as functional materials. Bulk glass-forming ability (BGFA) of a melt is frequently evaluated in terms of the critical
cooling rate for easy glass formation, which is the minimum
possible cooling rate necessary
to preserve amorphous
structure of melt during
solidification preventing nucleation and growth of any crystalline structure in the alloy
systems. In spite of great efforts that have been concentrated on the analysis of bulk glass forming
ability (BGFA)
of various multicomponent alloy systems, the exact nature of the mechanism of BGFA has not been revealed and is largely empirical. Unlike previous approaches, this lecture will address the problem
of integrating modeling, computer simulation and atomic level theory into a new coherent
methodology of widespread applicability aimed at designing the content
and structure of multicomponent alloy systems having
high BGFA leading to easy glassy phase formation
under conventional solidification conditions. Application of this new approach for the designing
and utilization of advanced Fe-based multicomponent BMG with enhanced
physico-chemical properties will be discussed.