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Tool for producing cast components, method for producing said tool, and method for producing cast components

A technology for casting molds and parts, which is applied in the field of manufacturing casting parts and can solve problems such as inapplicability

Inactive Publication Date: 2006-11-15
G4T 有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The known prior art casting molds are therefore not suitable for reactive non-ferrous molten metals

Method used

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  • Tool for producing cast components, method for producing said tool, and method for producing cast components

Examples

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Embodiment Construction

[0012] refer to figure 1 , the present invention will be described in more detail herein. figure 1 A sectional view showing a casting mold 10 and a gas turbine blade 11 produced by casting, wherein the gas turbine blade 11 includes a blade blade and a blade root 13 . The cast gas turbine blade 11 is surrounded by the casting mold 10 .

[0013] This example represents a casting mold with a two-layer structure. The first layer 14 of the casting mold forms the area of ​​the mold wall that is in contact with the reactive non-ferrous molten metal of the cast part to be produced. Its second layer 15 forms a backfill for the first layer 14 .

[0014] In aspects of the invention, at least the first layer 14 of the casting mold 10 that is in contact with the reactive non-ferrous molten metal of the gas turbine blade 11 includes yttrium oxide, magnesium oxide, and calcium oxide. With a casting mold 10 having such a composition, at least in the region of the first layer 14, reactions...

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PUM

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Abstract

The invention relates to a tool for producing cast components, especially gas turbine components, from reactive nonferrous molten metals, especially titanium alloys, said tool being embodied as a casting mould. According to the invention, at least one region of the casting mould (10) that comes into contact with the reactive nonferrous molten metal consists of yttrium oxide, magnesium oxide and calcium oxide.

Description

technical field [0001] The invention relates to a tool for casting components as defined by the preamble of patent claim 1 . Furthermore, the invention relates to a method for manufacturing such a tool as defined in the preamble of claim 6 and a method for manufacturing cast parts as defined in the preamble of claim 11 . Background technique [0002] The invention relates to the manufacture of components, in particular gas turbine components, by casting methods from non-ferrous molten metals, in particular titanium-aluminum alloys, in particular with 43-48% by weight of aluminum forming an intermetallic phase. During casting, molds called casting molds are used, which have an inner contour corresponding to the outer contour of the part to be manufactured. A difference is made in principle between casting methods using non-permanent casting molds and casting methods using permanent casting molds. With casting using a non-permanent mold, only one part is made from one castin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22C9/04B22C1/04F01D25/00
CPCB22C1/04B22C9/04F01D25/005F05D2230/21F05D2300/133B22C1/00F01D25/00
Inventor M·伦克尔W·斯马斯利
Owner G4T 有限责任公司