CN-122015131-A - Coated component for reducing carbon deposition in a gas turbine engine

Abstract

A coated component for reducing carbon deposition in a gas turbine engine. The coated component includes a metal substrate at least partially defining a flow channel of a hydrocarbon fluid, and a nanophase-separated catalytic coating deposited on the metal substrate to be exposed to the flow channel for reducing carbon deposition from the hydrocarbon fluid. The nanophase separated catalytic coating comprises a substantially pure transition metal phase, a substantially pure noble metal phase, and a substantially pure transition metal oxide phase.

Inventors

• Narayanan. Ghanaikiraman
• Arendati Sengupta
• Cadik Golishankar
• Sanjie Kumar Sandy

Assignees

• 通用电气公司

Dates

Publication Date

20260512

Application Date

20250212

Priority Date

20241111

Claims (10)

1. 1. A coated component for reducing carbon deposition in a gas turbine engine, the coated component comprising: A metal substrate at least partially defining a flow channel for a hydrocarbon fluid, and A nanophase separated catalytic coating deposited on a metal substrate to be exposed to a flow channel for reducing carbon deposition from a hydrocarbon fluid, the nanophase separated catalytic coating comprising a substantially pure transition metal phase, a substantially pure noble metal phase, and a substantially pure transition metal oxide phase.
2. 2. The coated component of claim 1, wherein the substantially pure transition metal phase has an average grain size of 10 nm to 500 nm.
3. 3. The coated component of claim 1, wherein the substantially pure noble metal phase has an average grain size of from 10 nanometers to 500 nanometers.
4. 4. The coated component of claim 1, wherein the substantially pure transition metal oxide phase has an average grain size of 10 nm to 500 nm.
5. 5. The coated member according to claim 1, wherein the substantially pure transition metal phase is uniformly distributed throughout the catalytic coating.
6. 6. The coated member according to claim 1, wherein the substantially pure noble metal phase is uniformly distributed throughout the catalytic coating.
7. 7. The coated member according to claim 1, wherein the substantially pure transition metal oxide phase is in contact with at least a portion of the substantially pure transition metal phase.
8. 8. The coated member according to claim 1, wherein the substantially pure transition metal phase comprising a transition metal, the substantially pure transition metal oxide phase comprising an oxide of a transition metal.
9. 9. The coated component of claim 1, wherein the catalytic coating has 20 to 80 volume percent of a substantially pure transition metal phase, based on the total volume of the catalytic coating.
10. 10. A method of manufacturing the coated component of claim 1, the method comprising: co-depositing a transition metal and a noble metal on a metal substrate to produce a coated substrate, wherein the transition metal and the noble metal are substantially immiscible, and A portion of the transition metal is oxidized to produce a coated component.

Description

Coated component for reducing carbon deposition in a gas turbine engine Technical Field The present disclosure relates to coated components for reducing carbon deposition (cowe), such as coated components for reducing carbon deposition in aircraft gas turbine engines. Background The gas turbine engine includes surfaces that are in contact with hydrocarbon fluids (e.g., fuel and lubricating oil). When exposed to hydrocarbon fluids at high temperatures, carbonaceous deposits (also known as soot) may form on these surfaces, causing carbon to adhere to and accumulate as deposits on surfaces in contact with the fuel or oil. Disclosure of Invention One aspect of the present invention proposes a coated component for reducing carbon deposition in a gas turbine engine, the coated component comprising a metal substrate at least partially defining a flow channel of a hydrocarbon fluid, and a nanophase separated catalytic coating deposited on the metal substrate for exposure to the flow channel for reducing carbon deposition from the hydrocarbon fluid, the nanophase separated catalytic coating comprising a substantially pure transition metal phase, a substantially pure noble metal phase, and a substantially pure transition metal oxide phase. Another aspect of the invention provides a method of making the above-described coated component comprising co-depositing a transition metal and a noble metal on a metal substrate to produce a coated substrate, wherein the transition metal and the noble metal are substantially immiscible, and oxidizing a portion of the transition metal to produce the coated component. Drawings Features and advantages of the present disclosure will become apparent from the following description of various exemplary embodiments, as illustrated in the accompanying drawings in which like reference numbers generally indicate identical, functionally similar, and/or structurally similar elements. FIG. 1 is a schematic view of an aircraft having a gas turbine engine according to an embodiment of the present disclosure. FIG. 2 is a cross-sectional view of the aircraft gas turbine engine shown in FIG. 2, taken along line 2-2 in FIG. 1. FIG. 3 is a cross-sectional view of the combustor of the gas turbine engine shown in FIG. 2, according to one embodiment of the present disclosure. Fig. 3 is a detailed view showing detail 3 in fig. 2. Fig. 4 is a cross-sectional view of a mixer assembly of the burner of fig. 3. Fig. 4 is a detailed view showing the detail 4 in fig. 3. FIG. 5 is a cross-sectional view of the combustor of the gas turbine engine shown in FIG. 2 in accordance with another embodiment of the present disclosure. FIG. 6 is a cross-sectional view of the mixer assembly of the burner shown in FIG. 5. Fig. 6 is a detailed view showing the detail 6 in fig. 5. Fig. 7 is a cross-sectional view of a nanophase separated catalytic coating applied on a flow channel for a hydrocarbon fluid. Fig. 8A shows a schematic cross-sectional view of a coated substrate according to one embodiment of the present disclosure. Fig. 8B shows a detail view of detail 8B of the coated substrate shown in fig. 8A. Fig. 9A shows a schematic cross-sectional view of a coated component according to one embodiment of the present disclosure. Fig. 9B shows a detail view of detail 9B of the coated member shown in fig. 9A. Fig. 9C is a schematic cross-sectional view of a coated component according to one embodiment of the present disclosure. Fig. 10 is a flowchart illustrating a method of manufacturing a coated component according to one embodiment of the present disclosure. Detailed Description The features, advantages, and embodiments of the disclosure are described or apparent from consideration of the following detailed description, drawings, and claims. Furthermore, the following detailed description is exemplary, and is intended to provide further explanation, not to limit the scope of the disclosure as claimed. Various embodiments are discussed in detail below. Although specific embodiments are discussed, this is for illustrative purposes only. One skilled in the relevant art will recognize that other components and configurations may be used without departing from the disclosure. The terms "forward" and "aft" refer to relative positions within a gas turbine engine or vehicle and refer to the normal operating attitude of the gas turbine engine or vehicle. For example, for a gas turbine engine, "forward" refers to a location closer to the engine inlet and "aft" refers to a location closer to the engine nozzle or exhaust. The terms "upstream" and "downstream" refer to the relative directions in terms of fluid flow in a fluid channel. For example, "upstream" refers to the direction of the fluid flow source and "downstream" refers to the direction in which the fluid flow is directed. The term "fluid" may be a gas or a liquid. The term "fluid communication" refers to fluids capable of establishing a connection between specific areas. Unles