Grain-Size Prediction Model in Aluminum Castings Manufactured by Low-Pressure Technology

• Autorzy: Fernández-Calvo A. I. , Lizarralde I. , Sal E. , Rodríguez P. , de Zabalegui E. O. , Cia I. , Rios A.

Identyfikatory

DOI

10.7494/jcme.2018.2.4.71

• Języki publikacji: EN

Abstrakty

EN

The grain refinement in a real casting manufactured by Low Pressure Die Casting (LPDC) such as wheels and steering knuckles depends on the grain-refinement potential of the metal and the geometry of the part/process parameters. For this study, the effect of the cooling rate on the AlSi7Mg alloy with different metal qualities in terms of grain refinement was tested. The grain size has been metallographically evaluated in cylindrical test pieces and in the real wheels and steering knuckles manufactured at the Mapsa and Fagor Ederlan foundries. The Thermolan®-Al system has been used to evaluate the nucleation potential in terms of grain size on a standard cup. The grain size has been modeled taking into account the effect of the cooling rate measured in the center of the cylindrical test parts and the different grain-size potential. Different grades of refinement have been tested. The grain size measured in a real casting (wheel and steering knuckle) was used to calibrate the model for a real part in LPDC for different grain-size potential.

Słowa kluczowe

EN

grain refinement; AlSi7Mg alloy; thermal modulus; cooling rate; solidification evolution

• Wydawca: AGH University of Science and Technology Press
• Czasopismo: Journal of Casting & Materials Engineering
• Rocznik: 2018
• Tom: Vol. 2, no. 4
• Strony: 71--77
• Opis fizyczny: Bibliogr. 22 poz., fot., rys., tab., wykr.

Twórcy

autor

Fernández-Calvo A. I.

• IK4-AZTERLAN, Aliendalde Auzunea 6, 48200-Durango, Spain

autor

Lizarralde I.

• IK4-AZTERLAN, Aliendalde Auzunea 6, 48200-Durango, Spain

autor

Sal E.

• IK4-AZTERLAN, Aliendalde Auzunea 6, 48200-Durango, Spain

autor

Rodríguez P.

• EDERTEK Technology Center of FAGOR EDERLAN Group, Isasi 6, 20500-Mondragón, Spain

autor

de Zabalegui E. O.

• EDERTEK Technology Center of FAGOR EDERLAN Group, Isasi 6, 20500-Mondragón, Spain

autor

Cia I.

• MAPSA S. Coop., Ctra Echauri 11, 31160-Orcoien, Spain

autor

Rios A.

• EDERLAN S. Coop., Torrebaso 7, 20540-Eskoriatza, Spain

Bibliografia

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Uwagi

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2019).