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The care of high quality castings requires taking into account the possible negative influence of decomposition products of moulding and core sands on the structure of castings produced. Such products are emitted both from the sands of I generation, meaning sands bound by bentonite, especially those containing carbon forming additives, as well as from the sands of II generation, meaning the sands with the binding materials or even the sands without any binders, such as the forms produced by using the LOST FOAM technology. The literature often refers to the negative effects of nitrogen emitted from the sands with the urea resins on the tendency to create surface defects. That is why the aim of this study was to assess the degree of sulphur diffusion to the ferroalloy castings and the proposal of its limitation.
Słowa kluczowe
Czasopismo
Rocznik
Tom
Strony
73--76
Opis fizyczny
Bibliogr. 4 poz., tab., wykr.
Twórcy
autor
autor
autor
- HÜTTENES-ALBERTUS Sp. z o.o., ul. Turystyczna 7, 20-207 Lublin, Poland, dobosz@agh.edu.pl
Bibliografia
- [1] R. I. Naro, J. F. Wallace: Effect of Mould-Steel Interface Reactions on Casting Surface. AFS Transactions, 1992, vol. 100, s.797-820.
- [2] A. M. Lane, M. D. Owens, D. M. Stefanescu, T. S. Piwonka, J. O. Barlow, K. D. Hayes: Penetration of Liquid Steel in Sand Mould, Part II: Chemical Reactions at the Mold/Metal Interface During Casting of Steel. AFS Transactions, vol. 109,2001, s. 1327-1345.
- [3] L. Tomek, K. Rusin: Study of Interaction of Liquid GREY Iron and Portland Cement Moulds, Transactions of the VSB-Technical University of Ostrava, No. 2, 2009, s. 327-336.
- [4] W. Bauer: Undersuchungen űber die Störung der Kugelgraphitausbildung in der Randzone von Gusseisen mit Kugelgraphit beim Giessen in mit para-Toluolsulfonsäure ausgehärtete Furansandformen. Giesserei-Rundschau, 28, herft 10, 1981, s. 11-19.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-BPZ1-0072-0013