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Št. zadetkov: 4
Some aspects of impurity grain boundary segregation in low alloy Cr-Mo-V steels
Jozef Janovec, V. Magula, P. Ševc
Izvirni znanstveni članek
Oznake: low alloy steels;phosphorous;grain boundary segregation;non-equilibrum segregation;kinetics;
The present work is focused on theories of grain boundary segregation. An overview of different approaches to solution of surface enrichment phenomenon is given in the first part. The second part is devoted to the verification of introduced theories by means of experimental results.
Leto: 1996 Vir: dLib.si Digitalna knjižnica Slovenije
The characterisation of intermetallic-compound particles in an annealed Al-Mg-Cr-Fe alloy
Milan Svoboda, Jozef Janovec, Monika Jenko, Ante Vranković
Pregledni znanstveni članek
Oznake: Al-Mg-Cr-Fe alloy;intermetallic compounds;twins;transmission electron microscopy;
Three types of particles were identified in an annealed 5xxx-series Al-Mg-Cr-Fe alloy. The large particles (500-1000 nm), which contain aluminium and iron as the dominant elements, are isostructural with Al19Fe4MnSi2 (crystal group Im3). These particles were probably formed during the solidification ...
Leto: 2004 Vir: dLib.si Digitalna knjižnica Slovenije
Phases in austenitic stainless steels
Jozef Janovec, Borivoj Šuštaršič, Jože Medved, Monika Jenko
Pregledni znanstveni članek
Oznake: austenitic stainless steels;[delta]-ferrite;carbides;intermetallic phases;ThermoCalc;phase equilibria;metallography;
The study represents a phase characterisation of austenitic stainless steels. A table presents the basic literature data on the phases to be found in austenitic steels. For the as-cast ASTM A351 steel, a thermodynamic prediction and a metallographic identification of phases is also presented. The th ...
Leto: 2003 Vir: dLib.si Digitalna knjižnica Slovenije
Some aspects of carbide precipitation and phosphorus grain boundary segregation in Cr-V low alloy steels
Anna Výrostková, Jana Perháčová, Viera Homolová, Peter Ševc, Jozef Janovec, Hans Jürgen Grabke
Izvirni znanstveni članek
Oznake: low alloy steels;carbide precipitation;carbide composition;grain boundaries;phosphorus segregation;
Raziskana je bila segregacija fosforja na kristalnih mejah pri 773 in 853 K pri treh malolegiranih jeklih z nizko vsebnostjo vanadija. Uporabljeni sta bili AES in TEM metodi. Entalpija in entropija segregacije ter fazna ravnotežja so bila termodinamično izračunana. Staranje 1000 ur je bilo zadostno ...
Leto: 1999 Vir: dLib.si Digitalna knjižnica Slovenije
Št. zadetkov: 4
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