Method for preparing hollow blade inner chamber diffusion layer with high temperature resistance, oxidation resistance and corrosion resistance
A high-temperature oxidation-resistant, hollow blade technology, applied in the direction of solid-state diffusion cladding, blade support elements, coatings, etc.
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Embodiment 1
[0033] The gas turbine hollow blade is prepared to resist high temperature oxidation and corrosion diffusion infiltration layer, and the material of the gas turbine hollow blade is K465 nickel-based superalloy. The specific preparation method is as follows:
[0034] ——Preparation of penetrating agent:
[0035] (1) Preparation of nickel chromizing agent: chromium powder, nickel powder, aluminum oxide powder, nickel-yttrium alloy powder, and ammonium chloride are prepared into nickel chromizing agent according to the following weight ratio;
[0036] Chromium powder 7%; Nickel powder 27%;
[0037] Aluminum oxide powder 60%; nickel-yttrium alloy powder 5%;
[0038] ammonium chloride balance;
[0039] (2) Preparation of chrome aluminizing agent: chrome powder, aluminum powder, aluminum oxide powder, nickel-yttrium alloy powder, and ammonium chloride are prepared according to the following weight ratio to prepare a chrome aluminizing agent;
[0040] Chromium powder 38%; Aluminum...
Embodiment 2
[0062] The gas turbine hollow blade is prepared to resist high temperature oxidation and corrosion diffusion infiltration layer, and the material of the gas turbine hollow blade is K465 nickel-based superalloy. The specific preparation method is as follows:
[0063] ——Preparation of penetrating agent:
[0064] (1) Preparation of nickel chromizing agent: chromium powder, nickel powder, aluminum oxide powder, nickel-yttrium alloy powder, and ammonium chloride are prepared into nickel chromizing agent according to the following weight ratio;
[0065] Chromium powder 10%; Nickel powder 24%;
[0066] Aluminum oxide powder 62%; nickel-yttrium alloy powder 3%;
[0067] ammonium chloride balance;
[0068] (2) Preparation of chrome aluminizing agent: chrome powder, aluminum powder, aluminum oxide powder, nickel-yttrium alloy powder, and ammonium chloride are prepared according to the following weight ratio to prepare a chrome aluminizing agent;
[0069] Chromium powder 39.7%; Alumi...
Embodiment 3
[0090] The gas turbine hollow blade is prepared to resist high temperature oxidation and corrosion diffusion infiltration layer, and the material of the gas turbine hollow blade is K465 nickel-based superalloy. The specific preparation method is as follows:
[0091] ——Preparation of penetrating agent:
[0092] (1) Preparation of nickel chromizing agent: chromium powder, nickel powder, aluminum oxide powder, nickel-yttrium alloy powder, and ammonium chloride are prepared into nickel chromizing agent according to the following weight ratio;
[0093] Chromium powder 8%; Nickel powder 25%;
[0094] Aluminum oxide powder 61%; nickel-yttrium alloy powder 4%;
[0095] ammonium chloride balance;
[0096] (2) Preparation of chrome aluminizing agent: chrome powder, aluminum powder, aluminum oxide powder, nickel-yttrium alloy powder, and ammonium chloride are prepared according to the following weight ratio to prepare a chrome aluminizing agent;
[0097] Chromium powder 39%; Aluminum...
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