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Structure and mechanical properties as well as application of high quality vermicular cast iron

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Wybrane pełne teksty z tego czasopisma
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Języki publikacji
EN
Abstrakty
EN
The results of studies on the use of magnesium alloy in modern cored wire injection method and Tundish for production of vermicular graphite cast irons were described. The injection of Mg cored wire length is a treatment method which can be used to process iron melted in an electric induction furnace. This paper describes the results of using a high-magnesium ferrosilicon alloy in cored wire (Mg recovery 55%) for the production of high quality vermicular graphite cast irons at foundry. The results of calculations and experiments have indicated the length of the cored wire to be injected basing on the initial sulfur content and weight of the treated melt. The paper presents a microstructure matrix and vermicular graphite in standard sample and castings with different wall thickness. The results of numerous trials have shown that the magnesium cored wire process can produce high quality vermicular graphite with ferritic-pearlite and pearlitic-ferrite matrix irons under the specific industrial conditions.
Rocznik
Strony
95--100
Opis fizyczny
Bibliogr. 18 poz., rys., tab.
Twórcy
autor
  • University of Science and Technology, Reymonta 23, 30-059 Kraków, Poland
Bibliografia
  • [1] S. Davson, Compacted Graphite Iron – A Material Solution for Modern Diesel Engine Cylinder Blocks and Heads, 68th WFC - World Foundry Congress, February (2008) 93-99.
  • [2] E. Guzik, Some selected problems concerning the processes of cast iron improvement, Archives of Foundry Engineering, Polish Academy of Sciences- Katowice, Monograph, No. 1M 2001.
  • [3] D. Steller, Das neue VDG- Merkblatt W 50 Gusseisen mit Vermiculargraphit, Giesserei, vol. 89, No. 11 (2002) 48-50.
  • [4] C. R. Farias, J. Benavente, T. Schroeder, S. Dawson, Compacted Graphite Iron Production at Cifunsa Using a Process Control System. AFS Transactions, vol. 105 (1997) 947-949.
  • [5] S. Pietrowski, Mechanism of the vermicular graphite cast iron solidification, Solidification of Metals and Alloys, Polish Academy of Sciences - Katowice, No. 37 (1998) 97-104.
  • [6] S. Pietrowski, Versatility knowledge of vermicular cast iron. Solidification of Metals and Alloys, Polish Academy of Sciences - Katowice, No. 44 (2000) 279 -285.
  • [7] M. S. Soiński, A study a production vermicular cast iron, Inter. Conference, Zielona Góra-Łazy, (1994) 97-104.
  • [8] E. Guzik, D. Jędrzejczyk, C. Podrzucki, Properties of pearlitic vermicular- nodular cast iron with RE-alloy addition, 3rd Intern. Metallurgy Symposium, Ostrawa, (1994) 189-195.
  • [9] M. Hecht, E. Nonon, Observations concerning the production of thin walled castings of compacted graphite iron (Recherche/Research), Fonderie Fondeur d'jaujourd hui, No. 219 (2002) 20-27.
  • [10] R. Fuoco, E. Albertin, C.R.F. Azevedo, C. L. Mariotto, Production of compacted/vermicular graphite cast iron using Mg/Al treatment, 56th World Foundry Congress, Düsseldorf, May (1989) 20.1-20.9.
  • [11] Riposan, M. Chisamera, The production of compacted graphite iron from magnesium treated iron by the addition sulphur, Giesserei-Praxis, May (1991) 155-162.
  • [12] E. Guzik, Kleingartner T.: Application of cored wire injection method to the producing of vermicular cast iron. Archives of Foundry Engineering, Polish Academy of Sciences - Katowice, vol. 8, No 1 (2008) 127-130.
  • [13] D. Steller, Das neue VDG- Merkblatt W 50 Gusseisen mit Vermiculargraphit, Giesserei, vol.89, No 11 (2002) 48-50.
  • [14] C. Podrzucki, A. Wojtysiak, High quality grey cast iron, School-book AGH- University of Science and Technology, Kraków, vol. 1, 1986/87.
  • [15] E. Guzik, K. Kukułka, Shaping of the microstructure of ductile cast iron in the walled castings. Archives of Foundry Engineering, Polish Academy of Sciences - Katowice, vol. 1, No. 1 (2/2) (2001) 117-125.
  • [16] E. Fraś, M. Górny, H. F. Lopez, Eutectic cell and Nodule Count in cast iron. Part II, The Iron and Steel Institute of Japan, vol. 47, No. 2 (2007) 269-276.
  • [17] M. Górny, Thermal analysis of ductile iron in thin walled casting. Archives of Foundry Engineering, Polish Academy of Sciences - Katowice, vol. 7, No. 4 (2007) 69-72.
  • [18] E. Guzik, S. Dzik, Structure and mechanical properties of vermicular cast iron in cylinder head casting. Archives of Foundry Engineering, Polish Academy of Science - Katowice, vol. 9, No. 1 (2009) 175-180.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-f4921c32-e784-4cbe-ba41-7ca33ac6eca9
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