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Materials 2016, 9(9), 769; doi:10.3390/ma9090769

Comprehensive Numerical Simulation of Filling and Solidification of Steel Ingots

Department of Mechanical and Industrial Engineering, University of Brescia, via Branze 38, Brescia 25123, Italy
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Academic Editor: Richard Thackray
Received: 4 July 2016 / Revised: 2 August 2016 / Accepted: 5 September 2016 / Published: 9 September 2016
(This article belongs to the Section Manufacturing Processes and Systems)
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Abstract

In this paper, a complete three-dimensional numerical model of mold filling and solidification of steel ingots is presented. The risk of powder entrapment and defects formation during filling is analyzed in detail, demonstrating the importance of using a comprehensive geometry, with trumpet and runner, compared to conventional simplified models. By using a case study, it was shown that the simplified model significantly underestimates the defects sources, reducing the utility of simulations in supporting mold and process design. An experimental test was also performed on an instrumented mold and the measurements were compared to the calculation results. The good agreement between calculation and trial allowed validating the simulation. View Full-Text
Keywords: steel ingot; filling simulation; solidification; defects formation steel ingot; filling simulation; solidification; defects formation
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Pola, A.; Gelfi, M.; La Vecchia, G.M. Comprehensive Numerical Simulation of Filling and Solidification of Steel Ingots. Materials 2016, 9, 769.

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