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Počet návštev: 86261383
AMS práve číta: 1



hľadať:

Ročník 2010 No 2
B. Buľko, J. Kijac
OPTIMIZATION OF TUNDISH EQUIPMENT
K. s.: tundish|continuous casting|water model|physical modelling|
No 2 (2010), p. 76-83
  mag01.pdf (772 kB)
mag01.txt (680 B)  
M. Kvačkaj, T. Kvačkaj, A. Kováčová, R. Kočiško, J. Bacsó
FINITE ELEMENT ANALYSIS OF DEFORMATION BEHAVIOUR IN EQUAL CHANNEL ANGULAR ROLLING PROCESS
K. s.: Equal channel angular rolling (ECAR)|Severe plastic deformation (SPD)|Finite element modeling (FEM)|copper|
No 2 (2010), p. 84-90
  mag02.pdf (640 kB)
mag02.txt (1 kB)  
A. Kováčová, T. Kvačkaj, M. Kvačkaj, I. Pokorný, J. Bidulská, J. Tiža, M. Martikán
THE MECHANICAL PROPERTIES PROGRESS DEPENDING ON STRAIN RATE AND LOAD INVESTIGATION DURING ECAP PROCESS
Abstract
In this article was an OFHC copper tested by static and dynamic tensile tests at the room temperature. Static and dynamic tensile tests allow wide range of strain rate achievement and its influence on mechanical properties investigation. Because of microstructure and strain rate observation the CG (coarse-grained) and UFG (ultrafine-grained) copper was used for tensile testing purpose. Based on results was found that ultimate tensile strength (Rm) increases and reduction of area (Z) decreases with increasing strain rate. However, the microstructure influence was revealed in reduction of area progress. During static conditions was found her inverse progress resulting from different structure (CG, UFG). The experiment was also focused on investigation of load development during ECAP processing.

K. s.: copper|ECAP|strain rate|mechanical properties|flow stress|
No 2 (2010), p. 91-96
  mag03.pdf (114 kB)
mag03.txt (817 B)  
M. Varchola, M. Besterci, K. Sülleiová
QUANTITATIVE MICROSTRUCTURE ANALYSIS OF DISPERSION STRENGTHENED Al-Al4C3 MATERIAL BY EBSD TECHNIQUE
K. s.: EBSD|grain size|angle grain boundaries|misorientation|
No 2 (2010), p. 97-101
  mag04.pdf (373 kB)
mag04.txt (1 kB)  
L. Némethová, T. Kvačkaj, M. Fujda, R. Mišičko, J. Tiža, M. Kvačkaj
AUSTENITE GRAIN SIZE CHANGE OF Nb-V STEEL IN DEPENDANCE ON CONTROLLED ROLLING CONDITIONS
K. s.: plastic deformation controlled rolling|recrystallization|average austenite grain size (average AGS)|Nb-V steel|
No 2 (2010), p. 102-108
  mag05.pdf (108 kB)
mag05.txt (1 kB)  
I. Maková, M. Sopko
EFFECT OF BLASTING MATERIAL ON SURFACE MORPHOLOGY OF STEEL SHEETS
K. s.: cold working|surface structure|SEM|steels|
No 2 (2010), p. 109-115
  mag06.pdf (394 kB)
mag06.txt (746 B)  
V. Sinka
FSW JOINT MICROSTRUCTURE OF TWO HIGH STRENGTH ALUMINUM ALLOYS: A 2024 / A 7050
K. s.: friction stir welding|lap joint|joint microstructure|
No 2 (2010), p. 116-121
  mag07.pdf (590 kB)
mag07.txt (688 B)  
M. Kvíčala, A. Hendrych, O. Životský, P. Jandačka
THE INFLUENCE OF Cr, Mn AND Mo ELEMENTS ON CRACKS OCCURENCE IN LOW-ALLOYED Cr-Mo STEELS
K. s.: segragation|steels|rolling|microstructure|
No 2 (2010), p. 122-126
  mag08.pdf (435 kB)
mag08.txt (906 B)  
Zs. Vaszi, A. Varga, J. Šváb
THE NEW WAYS OF NATURAL GAS TRANSPORT AND THEIR EFFECT FOR SLOVAKIA
K. s.: natural gas|transit|LGN terminal|Nord Stream|Blue Stream|
No 2 (2010), p. 127-132
  mag09.pdf (234 kB)
mag09.txt (900 B)  
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