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Year 2010 No 3

J. Bidulská, R. Bidulský, M. Actis Grande
EFFECT OF NEW TYPE HEAT TREATMENT ON WEAR CHARACTERISTICS OF HIGH-STRENGTH SINTERED STEELS
Keywords: high-strength steel|heat treatment|sinter hardening|sliding wear|
No 3 (2010), p. 146-150
  mag01.pdf (345 kB)
mag01_eng.txt (1 kB)  

J. Trpčevská, B. Hlucháňová, T. Vindt, W. Zorawski, D. Jakubéczyová
CHARACTERIZATION OF THE BOTTOM DROSS FORMED DURING BATCH HOT-DIP GALVANIZING AND ITS REFINING
Keywords: galvanization|microstructure|intermetallics|X-ray diffraction|dross formation|refining|
No 3 (2010), p. 151-156
  mag02.pdf (646 kB)
mag02_eng.txt (897 B)  

M. Hagarová, I. Štěpánek, D. Jakubéczyová
EVALUATION OF THIN PVD COATINGS BY ADHESIVE - COHESIVE TEST
Keywords: PVD|ARC|LARC|nanocomposite coatings|scratch test|
No 3 (2010), p. 157-164
  mag03.pdf (267 kB)
mag03_eng.txt (960 B)  

T. Borovský, J. Kijac, M. Domovec
THE SLAG COMPOSITION INFLUENCE ON THE DEPHOSPHORIZATION AND ON THE LIFETIME OF ELECTRIC ARC FURNACE HEARTH REFRACTORY LINING
Abstract
This study analyzes the influence of the slag composition on the extent of EAF hearth refractory wear and especially on the dephosphorization effectiveness (expressed as practical phosphorus distribution between slag and metal ?p). The statistical treatment of plant data from 24 campaigns of EAF was conducted. It was found that increase of %CaO, basicity, CaO/FeO ratio and decrease of %FeO are beneficial both for lining protection and phosphorus removal. FeO content must be optimized. Silica, alumina were low and improved the fluidity. Increasing of %MgO affected the wear positively, but ?p values negatively. Some negative factors could scatter the results.

Keywords: electric arc furnace|dephosphorization|refractory wear|steel|slag|
No 3 (2010), p. 165-171
  mag04.pdf (258 kB)
mag04_eng.txt (679 B)  

V. Rusňáková, J. Kijac, G. Grimplini, G. Rusňák
ANALYSIS OF SLAG IN MOLD UNDER STANDARD CONDITIONS AND IN CASE OF STICKER TEMPERATURE ALARM OCCURENCE
Keywords: casting|interstitial free (IF) steels|casting powder|slag viscosity|break temperature|
No 3 (2010), p. 172-180
  mag05.pdf (255 kB)
mag05_eng.txt (716 B)  

P. Gavendová, F. Kováč, V. Stoyka, I. Petryshynets, T. Kvačkaj
EFFECT OF TEMPER ROLLING ON THE STRAIN HARDENING OF A NON-ORIENTED ELECTROTECHNICAL STEEL
Keywords: microhardness|strain hardening|cold rolling|hot rolling|
No 3 (2010), p. 181-185
  mag06.pdf (50 kB)
mag06_eng.txt (669 B)  

H. Lukáčová, B. Plešingerová, M. Vojtko, G. Bán
ELECTROCHEMICAL TREATMENT OF Ti6Al4V (1. PART)
Keywords: surface treatment|Ti6Al4V-alloy|electrochemical oxidation|
No 3 (2010), p. 186-193
  mag07.pdf (1 MB)
mag07_eng.txt (628 B)  

A.A. Baba, F.A. Adekola, G.D. Ewuloye
LEACHING OF LEAD FROM SPENT MOTORCYCLE BATTERY IN HYDROCHLORIC ACID. PART I: DISSOLUTION KINETICS
Keywords: leaching|dissolution|spent batteries|hydrochoric acid|
No 3 (2010), p. 194-204
  mag08.pdf (444 kB)
mag08_eng.txt (1 kB)