Diseño de molde para el establecimiento de la relación entre resultados de análisis térmico y microestructura del aluminio A357 en moldeo por microfusión

Y. Bilbao; M. Espinosa; G. Artola; A. I. Fernández-Calvo; P. P. Rodríguez

doi:10.3989/revmetalmadrid.07XIIPMS

Design of amould for the study of the relationship between thermal analysis results and microstructure of aluminium alloy A357 in investment casting

Authors

Y. Bilbao ALFA IDEI A.I.E (Grupo ALFA)
M. Espinosa MICROFUSIÓN DE ALUMINIO, S. A. (Grupo ALFA)
G. Artola MICROFUSIÓN DE ALUMINIO, S. A. (Grupo ALFA)
A. I. Fernández-Calvo AZTERLAN, Ingeniería y Procesos de Fundición
P. P. Rodríguez ALFA IDEI A.I.E (Grupo ALFA)

DOI:

https://doi.org/10.3989/revmetalmadrid.07XIIPMS

Keywords:

Investment casting, Aluminium alloys, Mould design, Mechanical optimization

Abstract

Melt treatment of aluminium alloys is essential for optimizing their mechanical properties. Thermal analysis methods usually used as control are based on the cooling of the metal in metallic or sand cups. In investment casting, however, cooling takes place in a refractory mould at high temperatures (400-700 °C), where parts are characterized by thin thicknesses, so the results given by thermal analysis devices are not really representative of what happens in the parts. As a result of the present work a mould design is obtained, which adjusts itself to the typology of the parts in investment casting, and will make it possible to establish, in future trials, a relationship between thermal analysis results, microstructure in the part and final mechanical properties.

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References

[1] A. Loizaga, A. Niklas, A.I. Fernández-Calvo y J. Lacaze, Int. J. Cast Metals Res., 22 (2009) 345-352. doi:10.1179/174313309X380378

[2] G. K. Sigworth y T. A. Kuhn, AFS Trans. 07- 067 (2007) 31-40.

[3] S. Seifeddine, I. L. Svensson, 67th World Foundry Congress, Paper 200, Harrogate, Inglaterra, 2006.

[4] F. Chiesa, K. Durand y G. Morin, 11th World Conf. Investment Casting, Paper WC 11.13, Edinburgh, Inglaterra, 2004.

[5] J. Bäckman y I. L. Svensson, Research report, School of Engineering, Jönköping University, Sweden, 1999.

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Published

2010-12-31

How to Cite

Bilbao, Y., Espinosa, M., Artola, G., Fernández-Calvo, A. I., & Rodríguez, P. P. (2010). Design of amould for the study of the relationship between thermal analysis results and microstructure of aluminium alloy A357 in investment casting. Revista De Metalurgia, 46(Extra), 71–77. https://doi.org/10.3989/revmetalmadrid.07XIIPMS

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Issue

Vol. 46 No. Extra (2010)

Section

Articles

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