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Vplyv zvyšovania ocel'oveho šrotu vo vsadzke na mechanicke vlestnosti a štruktúru liatiny

100%

Bobok L. , Futaš P. , Vaskova I.

tom R. 4, nr 11/1

59--63

Liatina s gulockovym grafitom (LGG) si nasla od polovice 20. storocia svoje miesto na ukor liatiny s lupienkovym grafitom (LLG) a takmer celkom vytlacila temperovanu liatinu. Nast vyroby LGG v priemyselne vyspelych statoch Europy [...]

The iron casting in the long term keep up primacy the cast stock to base of iron. The cast stock from spheroidal graphite cast iron have technical and technological properties. Economic development in at the manufacturing department force the entrepreneur and manufacturer to rationalization producing at therely decreasing manufacturing costs. In term of manufacturing costs the world-wide trend take off on the way raising share steel scrap on the production of technology rises. The intention of study was finding out the effect various changing composition batch, especially steel scrap to consequential properties of spheroidal graphite cast iron.

Analysis of fracture mechanism in austenitic ductile iron with 30% Ni after impact test

51%

Putyra P. , Tabor A. , Zarębski K.

tom Vol. 8, iss. 4

193-198

The study presents the results of impact tests carried out on austenitic ductile iron with 30% Ni. The examined material was subjected to dynamic loads within a wide range of temperatures from (-196°C) to (+400°C). The fractures were examined under a JEOL JSM 6460LV scanning electron microscope. Additionally, microstructural examinations were carried out and chemical analysis in microregions was done by EDS.