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Effects of Process Related Variations on Fillablity Simulation of Thin-Walled IN718 Structures
Mälardalen University, Sweden ; TPC Components AB, Sweden.
RISE - Research Institutes of Sweden, Swerea, Swerea SWECAST.
TPC Components AB, Sweden.
Mälardalen University, Sweden.
Show others and affiliations
2018 (English)In: International Journal of metalcasting, ISSN 1939-5981, E-ISSN 2163-3193, Vol. 12, no 3, p. 543-553Article in journal (Refereed) Published
Abstract [en]

Simulation tools have improved significantly and are now capable of accurately predicting mould filling behavior. The quality of prediction is highly dependent on material properties and set-up of boundary conditions for the simulation. In this work material properties were measured and casting conditions were analyzed to accurately replicate the casting process in simulation. The sensitivity of the predictions to minor process variations commonly found in foundries was evaluated by comparing simulation and cast samples. The observed discrepancies between simulation and cast samples were evaluated and discussed in terms of their dependency on process variations. It was concluded that the simulation set-up was capable of reasonable predictions and could replicate the asymmetry of the filling however did not accurately predict the absolute value of the unfilled area. It was discovered that asymmetric flow due to variations in the orientation of the casting mould during filling could have greater influence on the predictions than the actual variation in fill time. The quality of simulation is dependent on equipment and techniques used in the foundry as well as the metallurgical model to simulate the process. © 2017, The Author(s).

Place, publisher, year, edition, pages
2018. Vol. 12, no 3, p. 543-553
Keywords [en]
casting, filling, inconel, prediction, simulation, thin-walled, Foundries, Molds, Sensitivity analysis, Thin walled structures, Asymmetric flows, Casting conditions, Metallurgical model, Process Variation, Quality of predictions, Forecasting
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:ri:diva-34308DOI: 10.1007/s40962-017-0189-9Scopus ID: 2-s2.0-85049332591OAI: oai:DiVA.org:ri-34308DiVA, id: diva2:1236835
Note

Funding details: Energimyndigheten; Funding details: VINNOVA;

CORRECTION TO: EFFECTS OF PROCESS RELATED VARIATIONS ON FILLABILITYSIMULATION OF THIN-WALLED IN718 STRUCTURES https://link.springer.com/content/pdf/10.1007/s40962-018-0223-6.pdf

Available from: 2018-08-06 Created: 2018-08-06 Last updated: 2018-08-16Bibliographically approved

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