| Issue |
MATEC Web Conf.
Volume 254, 2019
XXIII Polish-Slovak Scientific Conference on Machine Modelling and Simulations (MMS 2018)
|
|
|---|---|---|
| Article Number | 02016 | |
| Number of page(s) | 10 | |
| Section | Modelling and Simulation, Structural Optimization | |
| DOI | https://doi.org/10.1051/matecconf/201925402016 | |
| Published online | 15 January 2019 | |
The influence of the riser dimensions on the effectiveness of feeding solidifying cast elements
Czestochowa University of Technology, Institute of Mechanics and Machine Design Fundamentals, Dąbrowskiego 73, 42-201 Częstochowa, Poland
* Corresponding author: sowa@imipkm.pcz.pl
The mathematical model and numerical simulation results of metals alloy solidification process based on the finite element method (FEM) are presented in this paper. After completion of the mould filling process the main solidified of molten metal takes place and its shrinkage. The phenomenon of casting shrinkage cannot be avoided. However, it is possible to minimize the occurrence of its negative effects on the casting quality. The phenomenon of shrinkage defects formation was included in the numerical calculations and they were tried to reduce them. It is important aspect of this work which makes possible the prediction of the location of the casting defect depending on shape of the riser. The results of computer calculations of the solidification process of the three-dimensional casting together with the conical or cylindrical riser are discussed in detail and presented.
Key words: numerical modelling / solidification / casting defect / FEM
© The Authors, published by EDP Sciences, 2019
This is an open access article distributed under the terms of the Creative Commons Attribution License 4.0 (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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