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Št. zadetkov: 8
Flowing of the melt through ceramic filters
Jiří Bažan, Karel Stransky
Izvirni znanstveni članek
Oznake: metal melt;filtration;ceramic filter;flow of metals through pores;laminar and turbulent flow;
It is important to clean melts by filtering them with ceramic filters. Particular attention must be paid to the hydraulic conditions as the melt flows through the filter. The Bernouilli equation is used to describe the filtration of the melts. The physical regularities of the capillary melt can be s ...
Leto: 2007 Vir: dLib.si Digitalna knjižnica Slovenije
Numerical and experimental analyses of the chemical heterogeneity of a solidifying heavy ductile-cast-iron roller
Karel Stransky, František Kavička, Buhumil Sekanina, Jana Dobrovská, Vasilij Gontarev
Strokovni članek
Oznake: spheroidal graphite cast iron;roller;solidification;chemical and structural heterogeneity;methodology for measurement;
The quality of the working rollers used for rolling rails is determined by the chemical and structural compositions of the material of the rollers and the production technology. It is necessary to cast rollers with significantly improved utility properties, i.e., mainly a high wear resistance and op ...
Leto: 2012 Vir: dLib.si Digitalna knjižnica Slovenije
A new approach to evaluating the chemical micro-heterogeneity of a continuously cast steel slab
Věra Dobrovská, Karel Stransky, Hana Francová, Jana Dobrovská, František Kavička
Izvirni znanstveni članek
Oznake: micro-segregation;effective partition coefficient;continuous;casting;steel;
The paper deals with a new approach to measuring and evaluating the chemical micro-heterogeneity of the elements in solidified poly-component metallic systems. The original approach is based on experimental measurements made on the samples taken from characteristic places in a casting and the subseq ...
Leto: 2013 Vir: dLib.si Digitalna knjižnica Slovenije
Numerical and experimental investigation of the temperature field of a solidifying massive ductile-cast-iron roller
František Kavička, Karel Stransky, Jana Dobrovská, Buhumil Sekanina, Josef Štětina, Vasilij Gontarev
Izvirni znanstveni članek
Oznake: rolling;Spheroidized graphite cast iron (SGI);massive roller;solidification;temperature field;numerical model;
The quality of the working rollers used for rolling rails of different profiles is determined by the chemical and structural composition of the material of the rollers and the production technology The requirements for the quality cannot be ensured without a perfect knowledge of the course of the so ...
Leto: 2012 Vir: dLib.si Digitalna knjižnica Slovenije
The effect of electromagnetic stirring on the crystallization of the concast billets
Karel Stransky, František Kavička, Buhumil Sekanina, Jozef Stetina, Vasilij Gontarev, Jana Dobrovská
Strokovni članek
Oznake: kontinuirno ulivanje;elektromagnetno mešanje;dendritna struktura;kakovost gredic;napake;
Leto: 2011 Vir: dLib.si Digitalna knjižnica Slovenije
Numerical optimization of the method of cooling of a massive casting of ductile cast-iron
František Kavička, Buhumil Sekanina, Jozef Stetina, Karel Stransky, Vasilij Gontarev, Jana Dobrovská
Izvirni znanstveni članek
Oznake: ductile cast-iron;massive casting;cooling;temperature field;numerical model;
An original application of ANSYS simulating the forming of the temperature field of a massive casting from ductile cast-iron during the application various methods of its cooling using steel chills. The numerical model managed to optimize more than one method of cooling but, in addition to that, pro ...
Leto: 2009 Vir: dLib.si Digitalna knjižnica Slovenije
Application of the theory of physical similarity for the filtration of metallic melts
Martin Balcar, Pavel Fila, Ludvík Martínek, Karel Stransky, Jiří Bažan, Jana Dobrovská
Izvirni znanstveni članek
Oznake: tok tekočin;taline;filtriranje;modeli;
Leto: 2008 Vir: dLib.si Digitalna knjižnica Slovenije
A study of the high-temperature interaction between synthetic slags and steel
Karel Gryc, Karel Stransky, Karel Michalek, Zdeněk Winkler, Jan Morávka, Markéta Tkadlečková, Ladislav Socha, Jiří Bažan, Jana Dobrovská, Simona Zlá
Strokovni članek
Oznake: synthetic slag;stell;interaction;saturation;
The paper is devoted to selected aspects of the current issues of the high-temperature interaction of the synthetic multicomponent oxidic systems and selected grades of steel. Analysing the consequences of the interaction between slag and molten steel is an integral part of modern research that can ...
Leto: 2012 Vir: dLib.si Digitalna knjižnica Slovenije
Št. zadetkov: 8
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