
handle: 20.500.12641/64488
C O N T E N T S EFFECT OF SILICON CONTENT ON THE RESISTANCE OF DUCTILE IRON TO HIGH-TEMPERATURE OXIDATION Kumer F. Msc., Prof. Glavas Z. PhD., Assoc. Prof. Strkalj A. PhD. .......................... 3 ИССЛЕДОВАНИЕ СВОЙСТВ И МИКРОСТРУКТУРЫ СТАЛИ 30Х3МФ ПОСЛЕ ДОПОЛНИТЕЛЬНОЙ ОБРАБОТКИ С ЦЕЛЬЮ ПОВЫШЕНИЯ ЕЕ ИЗНОСОСТОЙКОСТИ к.т.н., профессор Куликов В., к.т.н., профессор Квон Св. ......................... 6 CHARACTERIZATION OF SOME CARBON STEELS AFTER DIFFERENT HEAT TREATMENTS Assist. Prof. Stamenković U., Prof. Dr Ivanov S., Prof. Dr Marković I. .................................................. 9 USE OF VIRTUAL CASTING FOR OPTIMIZATION THE DENSITY OF COMPLEX GEOMETRIC ALUMINUM CASTINGS, CAST INTO 3D-PRINTED SAND FOUNDRY MOLDS Dipl.-Ing. Roumen Batchvarov ........................................ 12 CASTING OF BODY PARTS WITH COMPLEX GEOMETRY IN 3D PRINTED SAND FORMS Dipl.-Ing. Roumen Batchvarov ........................................ 18 THE NEW CAPABILITIES OF MAGMA5.5 – LATEST VERSION OF MAGMASOFT G. Evt. Georgiev, Angel Velikov .................................................... 24 INVESTIGATION THE POSSIBILITY FOR DETERMINING THE THERMAL CONDUCTIVITY COEFFICIENT OF A365 FOAM THROUGH MATHEMATICAL MODELING AND IDENTIFICATION PROCEDURE G. Georgiev A. Velikov, B. Krastev, S. Popov, S. Stanev, V. Manolov ....................................................... 29 GEOMETRICAL CHARACTERISTICS AND DENSITY OF TI6AL4V ALLOY FABRICATED BY MILLING AND SELECTIVE LASER MELTING Yavor Gagov, Dzhendo Dzhendov, Ivaylo Parushev, Tsanka Dikova ....................................... 40
WEAR RESISTANCE, HEAT TREATMENT, ALLOYING, TOUGHNESS, MICROSTRUCTURE, DUCTILE IRON, SILICON, HIGH-TEMPERATURE OXIDATION, carbon steel, C15, C45, heat treatment, hardness, tensile strength, metal foams, mathematical modeling, parametric identification, CASTING SIMULATION, OPTIMISATION, FOUNDRY TECHNOLOGIES, MATHEMATICAL MODELLING, TITANIUM ALLOY, MILLING, SELECTIVE LASER MELTING, GEOMETRICAL CHARACTERISTICS, DENSITY
WEAR RESISTANCE, HEAT TREATMENT, ALLOYING, TOUGHNESS, MICROSTRUCTURE, DUCTILE IRON, SILICON, HIGH-TEMPERATURE OXIDATION, carbon steel, C15, C45, heat treatment, hardness, tensile strength, metal foams, mathematical modeling, parametric identification, CASTING SIMULATION, OPTIMISATION, FOUNDRY TECHNOLOGIES, MATHEMATICAL MODELLING, TITANIUM ALLOY, MILLING, SELECTIVE LASER MELTING, GEOMETRICAL CHARACTERISTICS, DENSITY
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