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Year 2003 No 3

Dudek R., Dobrovský Ľ., Dobrovská J.
PHYSICAL - CHEMICAL PROPERTIES OF THE METALLURGICAL SLAGS
Keywords: surface tension|slag|temperature of smelting|density|calcium oxide|
No 3 (2003), p. 161-167
  mag01.pdf (198 kB)
mag01_eng.txt (1 kB)  

Dobrovský L., Stránský K., Dobrovská J., Podrábský T., Hrbáček K.
INFLUENCE OF CHEMICAL COMPOSITION ON CREEP STRENGTH PARAMETERS OF THE ALLOY IN 713 LC
Keywords: Ni-based superalloy|creep strength|mathematical-statistical analysis|
No 3 (2003), p. 168-176
  mag02.pdf (256 kB)
mag02_eng.txt (1 kB)  

Tomčík P., Hrubý J.
COMPARISON INFLUENCE OF THE ALTERNATING MAGNETIC FIELD AND THE STEADY MAGNETIC FIELD ON FLOW STRESS CURVE DURING COLD COMPRESS TEST
Abstract
In this paper is comparison influence steady magnetic field and alternating magnetic field on value flow stress at compression test. The experiments with the steady magnetic field were make in two parts. The first part was done with magnetic flux, which was opposite direction with direction of motion down tool. The second part was done with magnetic flux, which was identical direction with direction of motion down tool. The experiments show, that the steady magnetic field makes hardening. Whereas alternating magnetic field makes softening. The alternating magnetic field was a similar beginning value of magnetic intensity as alternating magnetic field. In during compress test value of magnetic intensity alternating magnetic field decreasing.

Keywords: flow stress|strain|steady magnetic field|alternating magnetic field|magnetic intensity|
No 3 (2003), p. 177-181
  mag03.pdf (241 kB)
mag03_eng.txt (765 B)  

Stránský K., Šenberger J., Levíček P., Dobrovská J., Dobrovský L.
OXIDATION RE-MELTING OF THE CR13NI1 CAST STEEL BY MEANS OF OXYGEN-BLOWING
Keywords: corrosion-resistant steel|castings|water turbines|oxidation re-melting|oxygen-blowing condition|oxygen activity|mechanical properties|
No 3 (2003), p. 182-190
  mag04.pdf (323 kB)
mag04_eng.txt (2 kB)  

Mazancová E., Jonšta Z., Bůžek Z., Mazanec K.
PHYSICAL METALLURGY ANALYSIS OF ACICULAR FERRITE NUCLEATION PARAMETERS IN LOW-CARBON STEELS
Keywords: acicular ferrite|Mn depleted zone|heterogeneous nucleation|interfacial energy|chemical free enthalpy|non-metallic inclusions|
No 3 (2003), p. 191-197
  mag05.pdf (440 kB)
mag05_eng.txt (1 kB)  

Podrábský T., Jonšta Z., Hrbáček K., Němec K.
THE MICROSTRUCTUAL ANALYSIS OF TURBINE BLADE FROM ALLOY INCONEL 713 LC
Keywords: cast nickel alloys|exploitation temperature|colour metallography|light-electron microscopy|microstructure|
No 3 (2003), p. 198-202
  mag06.pdf (448 kB)
mag06_eng.txt (1 kB)  

Kristofory F., Mohyla M., Mikuláš D., Vítek J.
HARDNESS OF NICKEL ELECTRODEPOSITS
Keywords: cathodic deposition|nickel|sulphosalicylate|hardness|heat treatment|wear resistance|
No 3 (2003), p. 203-209
  mag07.pdf (601 kB)
mag07_eng.txt (537 B)  

Mohyla P., Koukal J.
CONTRIBUTION TO RESEARCH OF WELDABILITY OF MODERN LOW-ALLOY CREEP RESISTANT STEELS
Keywords: low-alloy steel|creep resistant steel|welability|secondary hardening|MX particles|
No 3 (2003), p. 210-216
  mag08.pdf (659 kB)
mag08_eng.txt (705 B)  

Slíva A., Zegzulka J.
COATED MATERIAL OBSERVATION
Keywords: coating|flowability|
No 3 (2003), p. 217-222
  mag09.pdf (514 kB)
mag09_eng.txt (926 B)  

Hrbáček K., Jonšta Z., Podhorná B., Joch A., Hrbáček K.
RESEARCH INTO PROPERTIES OF NICKEL-BASED SUPERALLOYS FOR GLASSWORKS
Keywords: nickel-based superalloys|research into mechanical properties|glass industry|
No 3 (2003), p. 223-230
  mag10.pdf (738 kB)
mag10_eng.txt (1 kB)  

Zegzulka J.
PRESSURE IN BULK MATERIAL FLOW – ANGLE OF ENERGY SLOPE
Keywords: flow of bulk materials|kinetic energy|pressure peak|silo and storage containers|
No 3 (2003), p. 231-239
  mag11.pdf (491 kB)
mag11_eng.txt (771 B)  

Zegzulka J.
LOGISTICS OF BULK MATERIALS
Keywords: logistics of bulk material|mechanical and physical properties|optimum consumption energy|
No 3 (2003), p. 240-244
  mag12.pdf (187 kB)
mag12_eng.txt (951 B)