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Št. zadetkov: 11
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
Thermodynamic conditions for the nucleation of boron compounds during the cooling of steel
Zdeněk Adolf, Jiří Bažan, Ladislav Socha
Izvirni znanstveni članek
Oznake: bor;jeklo;nukleacija;nekovinski vključki;
Leto: 2011 Vir: dLib.si Digitalna knjižnica Slovenije
Modelling of the solidification process and the chemical heterogeneity of a 26NiCrMoV115 steel ingot
Martin Balcar, Rudolf Železný, Ludvík Martínek, Pavel Fila, Jiří Bažan
Izvirni znanstveni članek
Oznake: forging ingot;solidification heterogeneity;modelling of segregations;
Steel making at ŽĎAS, a.s. using secondary metallurgy technology makes it possible to produce liquid metal with high levels of metallurgical cleanliness. During the casting and subsequent cooling of forging ingots, the steel solidification takes place. Directional material solidification, grain size ...
Leto: 2007 Vir: dLib.si Digitalna knjižnica Slovenije
Wear of refractory materials for ceramic filters of different porosimetry in contact with hot metal
Jiří Bažan, Ladislav Socha, Ludvík Martínek, Pavel Fila, Martin Balcar, Jaroslav Chmelař
Strokovni članek
Oznake: jeklo;keramika;ognjevzdržni material;korozija;erozija;poroznost;
Leto: 2011 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
An evaluation of the properties of rotor forgings made from 26NiCrMoV115 steel
Martin Balcar, Václav Turecký, Libor Sochor, Pavel Fila, Ludvík Martínek, Jiří Bažan, Stanislav Němeček, Dušan Kešner
Strokovni članek
Oznake: gas turbine;rotor shaft;forging;mechanical properties;FATT T[sub]50;
The development and verification of production technology for the rotor forgings of compressors and generators demonstrate the significant effect of the forming of the input ingot on the final properties of the forgings. The measured yield strength and the strength limit show a trend of dependence o ...
Leto: 2008 Vir: dLib.si Digitalna knjižnica Slovenije
Developing and testing a new type-8K mould for tool-steel ingot casting
Martin Balcar, Libor Sochor, Rudolf Železný, Pavel Fila, Ludvík Martínek, Libor Kraus, Dušan Kešner, Jiří Bažan
Strokovni članek
Oznake: tool steel;mould;ingot casting;solidification;forging;ultrasonic testing;
The traditional production of machinery and tools at ŽĎAS, a. s., and the increasing requirements placed on the final product, particularly those related to the internal quality of forgings, requires new technological measures for the ingot's casting and solidification. The development and use of th ...
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
The quality of super-clean steels produced at ŽĎAS, inc.
Martin Balcar, Ludvík Martínek, Pavel Fila, Jaroslav Novák, Jiří Bažan, Ladislav Socha, Danijela Anica Skobir Balantič, Matjaž Godec
Strokovni članek
Oznake: super-clean steel;steelmaking;secondary metallurgy;ingot casting;
The production of Super-Clean Steels for the rotor forgings of compressors and generators for gas-turbine units started at ŽĎAS with the use of secondary metallurgy processes, a ladle furnace and vacuum degassing. The development and optimization of Super-Clean Steel production technology enables ef ...
Leto: 2012 Vir: dLib.si Digitalna knjižnica Slovenije
Evaluation of steel desulphurization in the ladle during the utilization of briquetting fluxing agents for slags
Ladislav Socha, Jiří Bažan, Karel Gryc, Jan Morávka, Michal Pivko, Petr Styrnal, Václav Pilka, Zbygněv Piegza, Karel Michalek, Markéta Tkadlečková
Strokovni članek
Oznake: steel desulphurization;slag;fluxing agent;corundum;secondary metallurgy;steel;
This paper presents the experience obtained from plant experiments specialized in the usage of three types of fluxing agents for slags based on Al[sub]{2}O[sub]3. Proper experiments took place during the steel treatment by secondary metallurgy. The objective of the plant experiments was to assess th ...
Leto: 2012 Vir: dLib.si Digitalna knjižnica Slovenije
Št. zadetkov: 11
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