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Year 2011 No 3

R. Pernis, J. Kasala
DEFORMATION DISTRIBUTION IN ROLLING ZONE
Keywords: rolling|relative deformation|deformation distribution|rolling invariable|resistance deformation|
No 3 (2011), p. 150-157
  mag01.pdf (97 kB)
mag01_eng.txt (908 B)  

L. Pantělejev, O. Man, L. Kunz
MICROSTRUCTURAL STABILITY OF ULTRAFINE GRAINED COPPER AT ELEVATED TEMPERATURE
Abstract
Thermal stability of ultrafine grained (UFG) structure of 99.9% pure copper produced by eight equal channel angular pressing (ECAP) passes was studied. The annealing experiments were conducted at temperature range from 180 °C to 300 °C in a tube furnace under argon as a protecting gas. The dwell times were in the range from 10 min to 300 min. The electron backscattering diffraction (EBSD) analyses were performed before and after annealing at exactly the same area in order to quantify the changes of UFG structure. More advanced analysis of the EBSD results based on kernel average misorientation (KAM) parameter was performed.

Keywords: ultrafine grained microstructure|copper|microstructural stability|electron backscattering diffraction (EBSD)|
No 3 (2011), p. 158-162
  mag02.pdf (349 kB)
mag02_eng.txt (645 B)  

I. Kuběna, T. Kruml
MECHANICAL PROPERTIES OF AL THIN FILM MEASURED BY TWO DIFFERENT METHODS
Keywords: thin films|focused ion beam|aluminium|nanoindentation|
No 3 (2011), p. 163-168
  mag03.pdf (394 kB)
mag03_eng.txt (763 B)  

B. Plešingerová, G. Súčik, M. Fabián
SURFACE AREA CHANGE OF KAOLIN CAUSING ANNEALING
Keywords: minerals|kaolinite|dehydroxylation|metastable phases|surface area|
No 3 (2011), p. 169-176
  mag04.pdf (378 kB)
mag04_eng.txt (875 B)  

M. Longauerová, P. Bekeč, M. Fedorová, S. Longauer
INFLUENCE OF CASTING RATE ON PRECIPITATION OF PARTICLES BASED ON MICRO-ALLOYING ELEMENTS IN SLAB SURFACE ZONE
Keywords: precipitation|slab|casting rate|TiNb microalloy steel|TiNb IF steel|
No 3 (2011), p. 177-185
  mag05.pdf (390 kB)
mag05_eng.txt (933 B)  

R. Findorák , M. Fröhlichová, J. Legemza, F. Bakaj, M. Džupková
POSSIBILITIES OF APPLICATION THE TITANIUM ORE INTO THE SINTERING MIXTURE
Keywords: sintering|titanium|ore|concentrate|mixture|
No 3 (2011), p. 186-192
  mag06.pdf (325 kB)
mag06_eng.txt (1 kB)  

Š. Michna, N. Naprstková
THE MECHANICAL PROPERTIES OPTIMIZING OF Al - Si ALLOYS PRECIPITATION HARDENING AND THE EFFECT ON THE CHARACTER OF THE CHIP
Keywords: aluminum alloys|precipitation hardening|mechanical properties|heat treatment|intermetallic phases|
No 3 (2011), p. 193-199
  mag07.pdf (962 kB)
mag07_eng.txt (1 kB)  

P. Bella, J. Hašan, R. Kočiško, A. Kováčová, J. Sas, I. Hrebíček
NUMERICAL SIMULATION OF EXTRUSION ELBOWS
Keywords: extrusion|mandrel end|welded elbows|fibers|
No 3 (2011), p. 200-206
  mag10.pdf (312 kB)
mag10_eng.txt (713 B)  

J. Petrík
THE INFLUENCE OF THE LOAD ON THE QUALITY OF MICROHARDNESS MEASUREMENT
Keywords: hardness test|microindentation|metal|
No 3 (2011), p. 207-216
  mag09.pdf (110 kB)
mag09_eng.txt (856 B)