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Recent Submissions

Vrtáček, Jiří , Janda, Tomáš , Jirková, Hana , Janíček, Štěpán , Peković, Michal
Návrh nástroje pro zpracování plechů z vysokopevných ocelí

Steels for automotive industry are very important in design of modern vehicles. Advanced materials, such as high strength steels, can be used as car body safety elements due to their high mechanical properties while reducing the weight of the manufactured parts. Weight reduction le...

Stehlík, Adam , Bublíková, Dagmar , Jirková, Hana , Jeníček, Štěpán
Vliv parametrů tepelného zpracování na mechanické vlastnosti a vývoj mikrostruktury u vysokopevných ocelí legovaných Mn a Si

For modern steels in present time is required high strenght and ductility. This could be possible for high-strenght martensitic steels with good microstructure with some residual austenite. Resulting microstructure made by proper heat treatment are not affected only by alloying strategy, but...

Rubešová, Kateřina , Jirková, Hana , Peković, Michal , Janda, Tomáš
Rozpuštění chromových karbidů nekonvenční technologií tváření s přechodem přes semi-solid stav

The processing of conventional tool steels is common industrial practice, yet it is possible to discover new, previously unused methods for modifying the resulting structures and obtaining better mechanical properties. One of the tasks in high-chromium steels is the removal of the sharp...

Průcha, Vojtěch , Kříž, Antonín , Veselý, Vilém
Problematika vyhodnocování karbidické fáze v rychlořezných ocelích

Effects of multiaxial forging on the size of the carbide phase and its volume fraction in the matrix are described. The analysis was performed on high-speed tool steels with different aggregate forging ratios, as defined in ČSN 42 0276 standard (Elfmak - Pk = 4.93 and...

Procházka, Radek , Konopík, Pavel
Progresivní hodnocení trvalé pevnosti kovových materiálů pomocí termografie

The article deals with use of thermography methods as a tool for rapid evaluation of cyclic fatigue tests of metals in the high cycle region. The potential of this method can be fully applied in the development and optimization of metallic materials and processing technologies...