Method for the production of cast components

Details Method for the production of cast components Method for the production of cast components

2008-04-22

2008-04-22

Lin, Kuang (Department: 1793)

Metal founding

Process

Shaping liquid metal against a forming surface

C164S058100, C164S059100

Reexamination Certificate

active

10585978

ABSTRACT:
The invention relates to a method for the production of a cast component, in particular a gas turbine component. The inventive method comprises at least the following steps: a) a crucible and at least one semi-finished product is prepared from an intermetallic titanium-aluminium material; b) the or each semi-finished product made of intermetallic titanium-aluminium material is melted in the crucible; c) at least one additional element or an additional compound is added to the melt, whereby the or each element and/or the or each compound is introduced into the melt according to the melting temperature thereof; d) a casting mold is prepared; e) the casting mold is filled with the melt; f) the melt is solidified in the casting mold; g) the casting component is extracted from the casting mold.

REFERENCES:
patent: 5348595 (1994-09-01), Hanamura et al.
patent: 5429796 (1995-07-01), Larsen
patent: 2004/0253136 (2004-12-01), Shamblen et al.
patent: 0 634 496 (1995-01-01), None
Pyo-Chun Park, Chang-Woo Choi, Chun-Pyo Hong: “A Study on the Melting and Casting of TiA1 Intermetallic Compound by VIM Process” Journal of the Korean Institute of Metallurgy and Materials, vol. 29, No. 6, 1991, pp. 562-569, XP008056446, Seoul.

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