CN104454029A - Combustion gas turbine power turbine guide blade - Google Patents

Abstract

The invention discloses a combustion gas turbine power turbine guide blade. The combustion gas turbine power turbine guide blade comprises a metal body. The metal body is made of an alloy material. The alloy material comprises, by weight percentage, 3.34% of W, 4.17% of Zr, 2.66% of Ni, 3.14% of Mo and 1.38% of Ni, the balance being Mg and unavoidable impurities. The alloy material is prepared in the following steps (1) Mg, Mg-W alloy, Mg-Zr alloy, Mg-Ni alloy, Mg-Mo alloy and Mg-Ni alloy are preheated for 41 min at 214 DEG C; (2) protective atmosphere is injected into a smelting furnace, the preheated Mg is put into the smelting furnace, and the Mg is heated to be smelted; (3) the preheated Mg-W alloy, Mg-Zr alloy, Mg-Ni alloy, Mg-Mo alloy and Mg-Ni alloy are put into the smelting furnace, and are heated up to be fully smelted; (4) melt is subjected to still standing to be cooled to 542 DEG C, and the alloy material is obtained through pressure casting. The combustion gas turbine power turbine guide blade is excellent in abrasion resistance, high temperature resistance, corrosion resistance, weather resistance and strength.

Description

Gas Turbine Power turbine guide vane sheet

Technical field

The present invention relates to Gas Turbine Power turbine guide vane sheet.

Background technique

Gas turbine is the power generating equipment of extensive use, the Environmental Conditions more complicated of gas turbine, all higher to the requirement of the abrasion-resistant of all parts of gas turbine, high temperature resistant, corrosion-resistant, weather resistance and intensity.

Summary of the invention

The object of the present invention is to provide a kind of Gas Turbine Power turbine guide vane sheet, it has excellent abrasion-resistant, high temperature resistant, corrosion-resistant, weather resistance and intensity.

For achieving the above object, technological scheme of the present invention is a kind of Gas Turbine Power turbine guide vane sheet of design, and comprise metal master, described metal master is made up of alloy material, and by weight percentage, the composition of this alloy material is:

W：3.34％，

Zr：4.17％，

Ni：2.66％，

Mo：3.14％，

Ni：1.38％，

Surplus is Mg and inevitable impurity;

Described alloy material is prepared as follows:

1) at 214 DEG C, by Mg, Mg-W alloy, Mg-Zr alloy, Mg-Ni alloy, Mg-Mo alloy and Mg-Ni alloy preheating 41min;

2) pass into protective atmosphere in smelting furnace, drop into the Mg after preheating, and heating makes Mg melt;

3) Mg-W alloy, Mg-Zr alloy, Mg-Ni alloy, Mg-Mo alloy and Mg-Ni alloy after dropping into preheating, heat up and fully melt;

4) be cooled to 542 DEG C by standing for melt body, die casting obtains alloy material.

Advantage of the present invention and beneficial effect are: provide a kind of Gas Turbine Power turbine guide vane sheet, and it has excellent abrasion-resistant, high temperature resistant, corrosion-resistant, weather resistance and intensity.

Embodiment

Below in conjunction with embodiment, the specific embodiment of the present invention is further described.Following examples only for technological scheme of the present invention is clearly described, and can not limit the scope of the invention with this.

The technological scheme that the present invention specifically implements is:

A kind of Gas Turbine Power turbine guide vane sheet, comprise metal master, described metal master is made up of alloy material, and by weight percentage, the composition of this alloy material is:

W：3.34％，

Zr：4.17％，

Ni：2.66％，

Mo：3.14％，

Ni：1.38％，

Surplus is Mg and inevitable impurity;

Described alloy material is prepared as follows:

1) at 214 DEG C, by Mg, Mg-W alloy, Mg-Zr alloy, Mg-Ni alloy, Mg-Mo alloy and Mg-Ni alloy preheating 41min;

2) pass into protective atmosphere in smelting furnace, drop into the Mg after preheating, and heating makes Mg melt;

3) Mg-W alloy, Mg-Zr alloy, Mg-Ni alloy, Mg-Mo alloy and Mg-Ni alloy after dropping into preheating, heat up and fully melt;

4) be cooled to 542 DEG C by standing for melt body, die casting obtains alloy material.

The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the technology of the present invention principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.

Claims (1)

1. Gas Turbine Power turbine guide vane sheet, is characterized in that, comprises metal master, and described metal master is made up of alloy material, and by weight percentage, the composition of this alloy material is:

W：3.34％，

Zr：4.17％，

Ni：2.66％，

Mo：3.14％，

Ni：1.38％，

Surplus is Mg and inevitable impurity;

Described alloy material is prepared as follows:

1) at 214 DEG C, by Mg, Mg-W alloy, Mg-Zr alloy, Mg-Ni alloy, Mg-Mo alloy and Mg-Ni alloy preheating 41min;

2) pass into protective atmosphere in smelting furnace, drop into the Mg after preheating, and heating makes Mg melt;

3) Mg-W alloy, Mg-Zr alloy, Mg-Ni alloy, Mg-Mo alloy and Mg-Ni alloy after dropping into preheating, heat up and fully melt;

4) be cooled to 542 DEG C by standing for melt body, die casting obtains alloy material.