Browsing International Symposium on the Science and Processing of Cast Iron by Issue Date

Browsing International Symposium on the Science and Processing of Cast Iron by Issue Date

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  • Di Muoio, G.L.; Skat Tiedje, N.; Budolph Johansen, B. (INTEMA - UNMdP-CONICET, 2014-11-13)
    Gas generated during the casting process can cause defects that increase the cost of the components and possibly lead to scrapping the parts. Gases are produced during evaporation of water and by decomposition of organic ...
  • Norman, V.; Skoglund, P.; Moverare, J. (INTEMA - UNMdP-CONICET, 2014-11-13)
    Thermo-mechanical fatigue (TMF) properties of a compacted graphite iron (CGI) in an out-of-phase (OP) configuration are investigated for different maximum temperatures and mechanical strain ranges. Furthermore, the ...
  • Nofal, A.; El-Gazzar, H.; Ibrahim, M. (INTEMA - UNMdP-CONICET, 2014-11-13)
    Ductile cast iron is finding increased applications in parts subjected to different types of wear due to sliding contact and hence novel hardening techniques of mating surfaces need to be investigated. Laser hardening has ...
  • Ghasemi, R.; Elmquist, L.; Svensson, H.; König, M.; Jarfors, A.E.W. (INTEMA - UNMdP-CONICET, 2014-11-13)
    The development of high-performing components is crucial in applications such as heavy vehicle automotive powertrains. In these applications, strength, weight and thermal conductivity is essential properties. Key materials ...
  • Gurgul, D.; Burbelko, A.; Guzik, E.; Kopyciński, D.; Królikowski, M. (INTEMA - UNMdP-CONICET, 2014-11-13)
    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) ...
  • Wilberfors, F.; Svensson, I.L.; Elfsberg, J.; Richnau, K.; Ipek, N. (INTEMA - UNMdP-CONICET, 2014-11-13)
    The influence of a chill on the mechanical properties and microstructural features in grey cast iron has been studied. Some of the main findings were that the chill refined the microstructure and modified the graphite ...
  • Borgström, H.; Fourlakidis, V. (INTEMA - UNMdP-CONICET, 2014-11-13)
    Considerable insight into Chunky graphite formation models and their corresponding mechanisms can be derived from revisiting graphite nucleation mechanisms in ductile iron. In particular, several unified theories related ...
  • Theuwissen, K.; Laffont, L.; Véron, M.; Lacaze, J. (INTEMA - UNMdP-CONICET, 2014-11-13)
    To further understand graphite growth mechanisms in cast irons, this study focuses on the cristal structure of a graphite spheroid in the vicinity of its nucleus. A sample of a graphite spheroid from a commercial cast iron ...
  • Boccardo, A.D.; Sosa, A.D.; Echeverría, M.D.; Dardati, P.M.; Celentano, D.J.; Godoy, L.A. (INTEMA - UNMdP-CONICET, 2014-11-13)
    Changes in the form and dimensions of ductile iron parts occur during the austempering process, and this poses a challenge whenever tight tolerances need to be satisfied. Thus, it is important to be able to predict the ...
  • López, M.; Rivera, G.; Massone, J.; Boeri, R. (INTEMA - UNMdP-CONICET, 2014-11-13)
    This work focuses on the study of the solidification macrostructure of compacted graphite iron and its relationship with shrinkage porosity formation. Cast samples especially developed to present shrinkage porosity were ...
  • da Silva, A.J.S.T.; de Campos, M.F.; Nishikawa, A.S.; Guesser, W.L.; Goldenstein, H. (INTEMA - UNMdP-CONICET, 2014-11-13)
    A commercial ductile iron alloy was submitted to Quenching and Partitioning (Q&P) process. Samples were austenitized at 900ºC for two hours, quenched at 170ºC and held at this temperature for 2 minutes and finally were ...
  • Burbelko, A.A.; Początek, J.; Kapturkiewicz, W.; Wróbel, M. (INTEMA - UNMdP-CONICET, 2014-11-13)
    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 ...
  • Vedel-Smith, N.K.; Tiedje, N.S. (INTEMA - UNMdP-CONICET, 2014-11-13)
    A test pattern, with three different moduli castings was developed to investigate methods to optimise feeding of high silicon ductile cast irons. Different feeder types, modulus, and locations were investigated using both ...
  • Tenaglia, N.; Boeri, R.; Rivera, G.; Massone, J. (INTEMA - UNMdP-CONICET, 2014-11-13)
    This study aims at identifying the relationship between the shrinkage cavities and the solidification structure in spheroidal graphite cast iron. Cast samples specially designed to contain shrinkage cavities were used. The ...
  • Fourlakidis, V.; Ekengård, J.; Diószegi, A. (INTEMA - UNMdP-CONICET, 2014-11-13)
    Cast iron melts with two different carbon contents were used in this experiment. Quenched chill coins were extracted directly from the melting furnace and the size, the number and the composition of the non-metallic ...
  • Theuwissen, K.; Duguet, T.; Esvan, J.; Lacaze, J. (INTEMA - UNMdP-CONICET, 2014-11-13)
    The distributions of cerium and oxygen in the matrix and in graphite precipitates of a pure Fe-C-Ce cast iron sample have been studied using scanning Auger microscopy. It is shown that there is no accumulation of any element ...
  • Nofal, A.A. (INTEMA - UNMdP-CONICET, 2014-11-13)
    In the last three decades, the revolutionary material; the austempered ductile iron (ADI) with its unique combination of mechanical properties, has been offering the design engineer alternatives to conventional material ...
  • Svidró, P.; Elmquist, L.; Dugic, I.; Diószegi, A. (INTEMA - UNMdP-CONICET, 2014-11-13)
    Shrinkage porosity and metal expansion penetration are two fundamental defects appearing during the production of complex shaped lamellar cast iron components. Simplified test models simulating the thermal and geometrical ...
  • Stuewe, L.; Tschiptschin, A.P.; Guesser, W.L.; Fuoco, R. (INTEMA - UNMdP-CONICET, 2014-11-13)
    This paper presents an evaluation of Cr and Mo influence in solidification and shrinkage defects in grey cast iron. A series of five grey cast irons were produced with different Cr and Mo additions. A test casting was ...
  • Lacaze, J.; Sertucha, J. (INTEMA - UNMdP-CONICET, 2014-11-13)
    In a previously published work, pearlite growth in cast irons was investigated and it was claimed that growth kinetics of pearlite in nodular cast iron does not depend on alloying elements and that only the start temperature ...

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