Structure and Properties of Metallic Alloys

2

Simon N. Lekakh

905 Hampton CT, Rolla, MO 65401

E-mail: Phone: (573) 426-3004

BACKGROUND

·  Physical Metallurgy and Metal Castings

·  Structure and properties of metallic alloys

·  Thermo chemistry and heat transfer in materials/metallurgical processes

·  Interdisciplinary technology of industrial waste recycling

EDUCATION

1989 – Doctor of Science in Metallurgy from Institute of Steel & Alloys, Moscow, Russia, for the thesis “Theory and Resource Saving Technologies of Alloying and Modifying High-quality Cast Iron”

1975 – Ph.D. in Metal Casting from Belarusian Polytechnic Institute, Minsk, Belarus, for the thesis “Modification of Intermetallic Phases in Aluminum and Magnesium Alloys”

1969 – M.S. in Mechanical Engineering from Belarusian Polytechnic Institute, Minsk, Belarus, for the thesis “ Thermal Analysis of Iron Solidification”

PROFESSIONAL EXPERIENCE

Research

·  present - Research Professor, 2006-2011 - Research Associate Professor, 2004-2006 - Post Doctoral Fellow, Department of Material Science and Engineering at the Missouri University of Science and Technology:

- solidification and phase transformations in cast steels and irons (experiments, modeling)

- investment casting process development (experiments, modeling, industrial applications)

energy efficiency of melting steel (industrial experiments, computing)

- iron aging (metallography, mechanical test)

- lining ceramics for steel ladles (measurements, computing)

- CO2 sequestration in metallurgy (experiment)

- continuous steel making process (experiment with foaming slag)

- industrial pollutions in metal casting processes (industrial measurements, statistics)

- fluid dynamics, heat transfer, phase diagrams and chemical reactions (calculations with

Fluent, Magma, FactSage programs)

·  2001 – 2002 Honorary Associate, Department of Materials Science and Engineering at the University of Wisconsin- Madison :

- solidification and modification of casting alloys (metallography, mechanical test)

- carbon additives dissolution in iron melt (industrial application)

·  1990-1999 Head, Laboratory of Resource-Saving Metallurgical Technologies and Recycling at the Belarusian State Polytechnic Academy:

- heat and mass transfer in metallurgical and recycling processes (experiment, computing, rotary melting furnace design)

- thermo-chemistry of metal-slag interactions (experiment, computing)

- metallurgical processes for industrial wastes utilization (design of industrial processes)

- combined steel melting/alloying process in EAF (industrial application)

- recovery of secondary aluminum from slag (experiment, industrial design)

·  1980-1990 Head, Laboratory of Ductile Iron Processes at the Belarusian State Polytechnic Academy:

- structure modification of cast irons (metallography, SEM)

- thermo-chemistry of alkaline/rare earth metals in iron melts (experiment, computing)

- additives dissolution in liquid alloys (experiment, new materials design)

- ductile iron processes (experiment, industrial applications)

- new processes of inoculants and nodulizers production

- iron with compacted graphite processes (experiment, industrial applications)

- melting, alloying and modifying of cast wear-resistant alloys (industrial application)

·  1975-1980 Researcher, Laboratory of Gas Cleaning System in Metallurgy at the Belarusian State Polytechnic Academy:

- characterization of industrial pollutions (experiment, industrial measurements)

- gas cleaning system for cupolas and foundry EAF (experiment, design)

Industry

·  1992-2000 Scientific Consultant at the Metallon Corporation (privet business), Belarus

·  1969-1975 Metallurgist at the Machine-building Plant, Minsk, Belarus

Teaching

·  1990-1999, Professor (part time), Mechanical Engineering School at the Belarusian State Polytechnic Academy:

- taught a variety of courses on Physical Metallurgy and Metal Castings on undergraduate and graduate levels

- created new curriculum for courses

- supervised 5 Ph.D. students

INDUSTRIAL APPLICATION OF DEVELOPED PROCESSES:

·  aluminum metallurgy: recovery of 1000 t/year secondary aluminum from slag

·  foundry industry: recovery 3,000 t/year of Fe and 60 t/year of V from industrial wastes

·  automotive industry: new low alloyed alloys saved 100 t/year of Ni and 160 t/year of Cu

·  steel metallurgy: recovery 20 t/year of Mo from wastes in EAF

·  agricultural equipment: DI and CGI production decreased weight of cast components

·  ferroalloys production: novel modifiers and additives for cast metals

·  industrial waste recycling processes: 8000 t/year of EAF dust used in cement industry

PUBLICATIONS

·  120 journal articles, 3 research monographs, 10 SU patents implemented in industry and 1 US patent