Development of Ceramic Moulds with Zirconia Primary Coat for Investment Casting of Gamma Titanium Aluminide Based Alloys

Abstract:

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The fabrication of ceramic moulds with zirconia primary coat for investment casting of gamma titanium aluminide based alloys (hereafter called TiAl alloys) was described in this study. The microstructures and fracture strength of ceramic moulds were characterized. The fracture strength and surface roughness of the ceramic moulds with zirconia primary coat were sufficient for the TiAl investment casting. TiAl blades were used for the technology demonstration in producing TiAl components. TiAl castings produced by the ceramic moulds exhibited an average surface roughness (Ra ) of 6 μm.

Info:

Periodical:

Edited by:

Qi Luo

Pages:

881-885

DOI:

10.4028/www.scientific.net/AMM.55-57.881

Citation:

Y. F. Chen et al., "Development of Ceramic Moulds with Zirconia Primary Coat for Investment Casting of Gamma Titanium Aluminide Based Alloys", Applied Mechanics and Materials, Vols. 55-57, pp. 881-885, 2011

Online since:

May 2011

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Price:

$35.00

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