SPCI 10 https://rinfi.fi.mdp.edu.ar/xmlui/handle/123456789/10 2026-04-05T14:58:19Z 2026-04-05T14:58:19Z https://rinfi.fi.mdp.edu.ar/xmlui/handle/123456789/62 2024-12-11T12:48:02Z 2014-11-13T00:00:00Z

10th International Symposium on the Science and Processing of Cast Iron Proceedings This Proceeding collects the articles presented at : "The Tenth International Symposium on the Science and Processing of Cast Iron (SPCI 10)", held in Mar del Plata, Argentina from 10th to 13th of November 2014, organized by The Institute for Research in Materials Science and Technology (INTEMA) . This symposium belongs to a series which began in Detroit, USA (1964), and was followed by meetings held at Geneva, Switzerland (1974), Stockholm, Sweden (1984), Tokyo, Japan (1989), Nancy, France (1994), Birmingham, USA (1998), Barcelona, Spain (2002), Beijing, China (2006), and Luxor, Egypt (2010). This Proceeding comprises twenty-eight peer reviewed manuscripts and twenty-one abstracts of presentations given in the Symposium. This collection brings novel information from the leading researchers in the field of Cast Irons. The subjects covered include: fundamental research on solidification and solid state transformations of cast iron, recent technologies of melting, casting, heat treatment and process control, computational modeling of cast iron transformations and processing, novel developments and applications of cast iron, and mechanical properties of Cast Iron.

2014-11-13T00:00:00Z Burbelko, Andriy Początek, J. Kapturkiewicz, W. Wróbel, M. https://rinfi.fi.mdp.edu.ar/xmlui/handle/123456789/61 2024-04-25T12:56:53Z 2014-11-13T00:00:00Z

Averaged Voronoi Polyhedron in the Equiaxed Solidification Modelling Burbelko, Andriy; Początek, J.; Kapturkiewicz, W.; Wróbel, M. For the modelling of the equiaxed grain growth controlled by diffusion the spherical Elementary Micro-Diffusion Field (EMDF) is usually used. Unfortunately, deviation of the idealized spherical grain geometry from the real one increases with a distance from nuclei. The proposed model of the equiaxed solidification, controlled by diffusion, assumes that EMDF has non-spherical shape as a result of random contacts between the grains growing around the individual nuclei. To determine the geometry and characteristics of the proposed EMDF, Kolmogorov’s principle of the statistical theory of crystallization has been used. Modelling based on the non-spherical EMDF gives more accuracy of the solidification path prediction at the last stage of solidification. The results of simulation have been compared with experimental results obtained for near-peritectic Pb-Bi alloy.

2014-11-13T00:00:00Z Gurgul, D. Burbelko, Andriy Guzik, E. Kopyciński, D. Królikowski, M. https://rinfi.fi.mdp.edu.ar/xmlui/handle/123456789/60 2024-04-25T12:56:08Z 2014-11-13T00:00:00Z

Modelling of Density Changes of Nodular Cast Iron During Solidification by Cellular Automaton Gurgul, D.; Burbelko, Andriy; Guzik, E.; Kopyciński, D.; Królikowski, M. Results of predictions of nodular cast iron density changes during solidification are presented. These changes were calculated by using a mathematical model which bases on a Cellular Automaton - Finite Differences (CA-FD) method. The CA-FD model takes into account, among others, the independent nucleation of graphite and austenite as a function of undercooling, the migration rate of the grains’ borders, non-uniform distribution of temperature and concentration in the calculation domain, diffusion of the carbon in the liquid and the austenite. All simulation were performed at various: nucleation intensity and the eutectic saturation. It has been shown and proofed by other authors that the shrinkage phenomena take place at three stages: pre-eutectic shrinkage, eutectic expansion, and final shrinkage.

2014-11-13T00:00:00Z Ming You Xiaogang Diao https://rinfi.fi.mdp.edu.ar/xmlui/handle/123456789/59 2015-05-11T16:55:24Z 2014-11-13T00:00:00Z

Production of a Heavy Section Ductile Iron Grinding Table Ming You; Xiaogang Diao Production process of an extra-large ductile iron grinding table with weight of 142 t was introduced in the present paper. Solidification process of the grinding table was simulated with finite element software ProCAST. Defects, especially porosity, of the casting during solidification were predicted and hence casting process optimization has been performed based on the simulation results. In manufacturing period of the ductile iron grinding table, the following measures were adopted to avoid casting defects and improve its mechanical properties. Firstly, bottom-gated gating system was used. Secondly, chills were set on the heavy section locations. Thirdly, risers were set on the top of the casting. Besides, chemical composition was strictly controlled and raw materials with fewer impurities were used. More than 150 t molten melt was supplied using medium frequency induction furnaces. Cored wire injection nodularizing and inoculation was performed at 1360～1380℃ by two ladles with capacity of 75 t. Post–inoculation was conducted during pouring as well as low temperature and fast pouring process was adopted. The qualified heavy section ductile iron grinding table product can thus be obtained. Shrinkage and porosity was evidently decreased at thermal center of the casting. The result of casting inspection showed that mechanical properties of the casting met the requirements of EN-GJS-400-15U grade nodular iron and the UT detection didn't find any casting defect exceeding grade 3 according to EN 12680-3-2003.

2014-11-13T00:00:00Z