Zobrazeno 1 - 10
of 88
pro vyhledávání: '"J. Bacsó"'
Publikováno v:
Metalurgija, Vol 47, Iss 4, Pp 295-299 (2008)
Commercial pure cooper (99,9% Cu) was deformed by equal channel angular pressing (ECAP) using up to 10 passes, route C. The evolution of microstructure and fracture character were observed by OM, SEM and TEM. The mean grain size decreased with increa
Externí odkaz:
https://doaj.org/article/88c3b7f2caa6478db4c8153d56370f0e
Autor:
T. Kvačkaj, M. Molnárová, I. Mamuzić, J. Bacsó, R. Mišičko, M. Fujda, P. Škodronová, T. Kuskulič, I. Pokorný
Publikováno v:
Metalurgija, Vol 47, Iss 3, Pp 187-190 (2008)
The paper deals with structure and properties development of AHSS (advance high-strength steel) and UHSS (ultra high-strength steel) steel grades for various groups of automotive parts. C-Mn-Si type steel properties are evaluated based on the results
Externí odkaz:
https://doaj.org/article/72547d21a16f403f8aefbf8950c29521
Publikováno v:
Metallic Materials. 52:249-254
Autor:
Rudolf Pernis, Pavol Purcz, Monika Fedorčáková, Róbert Kočiško, Juraj Tiža, Tibor Kvačkaj, A. Kováčová, J. Bacsó
Publikováno v:
Materials Science Forum. 782:373-378
The determination of ductile fracture criteria as well as friction coefficient, stress-strain curves, constants for Hollomon's equation and a material workability based on analytical methods as a forming limit diagram, a normalized Cockcroft-Latham c
Autor:
Jana Bidulská, A. Kováčová, J. Bacsó, Peter Bella, Róbert Kočiško, Miloslav Lupták, Tibor Kvačkaj, Róbert Bidulský
Publikováno v:
Materials Science Forum. 782:379-383
The influence of thermo-plastic processes through methods of severe plastic deformations (SPD) and rolling carried out at ambient and cryogenic temperatures on recovery of two materials was investigated. The aim of this study was to insert strains to
Publikováno v:
Materials Science Forum. :133-137
The influence of severe plastic deformation (SPD) on distribution of effective stresses, effective strains and temperatures during equal channel angular rolling (ECAR) process is mathematically simulated. Effect of ECAR processing on substructural an
Publikováno v:
Journal of Radioanalytical and Nuclear Chemistry Articles. 209:147-155
Different atmospheric aerosol samples were collected on three types of filters. Disks of both loaded and clean areas of each kind of filter were investigated by XRF, PIXE and Scanning Electron Microscope (SEM) methods. The blank concentration values
Publikováno v:
Radiation Measurements. 25:577-580
We have developed a new method to study the gross alpha activity concentration of thermal waters. The method is based on applying track etch, (CR-39) alpha autoradiography on solid tablets prepared from the dry mineral residue of these natural waters
Publikováno v:
Journal of Radioanalytical and Nuclear Chemistry Letters. 188:199-210
A qualitative and quantitative analysis of atmospheric deposition samples has been carried out by XRF method in Debrecen city over a long period. Seasonal variations in the fluxes of 14 elements such as Si, S, Cl, K, Ca, Ti, Mn, Fe, Cu, Zn, Br, Sr, Z
Publikováno v:
Journal of Radioanalytical and Nuclear Chemistry Letters. 186:23-33
Lead concentrations of atmospheric particulate matter were measured systematically by X-ray fluorescence method at three sites of Debrecen city over long periods. The time dependence of Pb concentration level in air was investigated and compared with