A metal gasket bellows seal includes a first ply and a second ply coupled to the first ply at a first location via spot joining at one or more locations.
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1. A metal gasket bellows seal comprising: a first ply being annular and having a first ply first end and a first ply second end separated from the first ply first end by a first distance;a second ply being annular, located radially inward from the first ply, and having a second ply first end and a
1. A metal gasket bellows seal comprising: a first ply being annular and having a first ply first end and a first ply second end separated from the first ply first end by a first distance;a second ply being annular, located radially inward from the first ply, and having a second ply first end and a second ply second end separated from the second ply first end by a second distance such that a slip joint is formed by a circumferential overlap of the first ply first end and the second ply second end; andan adhesive,wherein: the first ply and the second ply have a cross-sectional shape that resembles a “W” and includes an inner diameter edge, an outer diameter edge, and at least one leg extending from the inner diameter edge to the outer diameter edge and having a leg distance,the second ply is coupled to the first ply at a first location along one of the at least one leg that is between 40 percent and 60 percent of the leg distance from the outer diameter edge via spot joining to form a spot weld,the slip joint is located at the outer diameter edge,the second ply is coupled to the first ply via the adhesive at the slip joint, andthe first location is positioned between 150 degrees and 210 degrees from the slip joint. 2. The metal gasket bellows seal of claim 1, wherein the second ply is coupled to the first ply at multiple locations via the spot joining. 3. The metal gasket bellows seal of claim 1, wherein the spot joining includes at least one of resistance welding, laser welding, electron beam welding, gas tungsten arc welding, metal inert gas welding, or brazing. 4. The metal gasket bellows seal of claim 1, wherein the first location is positioned on a first leg of the metal gasket bellows seal that is located at a first axial end of the metal gasket bellows seal. 5. A metal gasket bellows seal comprising: a first ply being annular and having a first ply first end and a first ply second end separated by a first distance;a second ply being annular, located radially inward from the first ply, and having a second ply first end and a second ply second end separated by a second distance such that a slip joint is formed by a circumferential overlap of the first ply first end and the second ply second end; andan adhesive,wherein: the first ply and the second ply have a cross-sectional shape that resembles a “W” having an inner diameter edge and an outer diameter edge and including at least one leg extending from the inner diameter edge to the outer diameter edge and having a leg distance,the second ply is coupled to the first ply at a first location along one of the at least one leg that is between 40 percent and 60 percent of the leg distance from the outer diameter edge via spot joining to form a spot weld,the second ply is coupled to the first ply via the adhesive at the outer diameter edge, andthe first location is positioned between 150 degrees and 210 degrees from the slip joint. 6. The metal gasket bellows seal of claim 5, wherein the adhesive is configured to melt at a melting temperature that is less than an operating temperature of an environment of the metal gasket bellows seal. 7. The metal gasket bellows seal of claim 6, wherein the operating temperature of the environment of the metal gasket bellows seal is between 800 degrees Fahrenheit and 1500 degrees Fahrenheit and the melting temperature is between 400 degrees Fahrenheit and 600 degrees Fahrenheit. 8. The metal gasket bellows seal of claim 5, wherein the adhesive resists an increase or decrease in a diameter of the metal gasket bellows seal during at least one of transportation or handling of the metal gasket bellows seal. 9. The metal gasket bellows seal of claim 5, wherein the adhesive is applied to the metal gasket bellows seal at a single location. 10. The metal gasket bellows seal of claim 5, wherein the spot joining includes at least one of resistance welding, laser welding or electron beam welding. 11. A method for manufacturing a seal for use with a gas turbine engine, comprising: forming a metal gasket bellows seal that includes: a first ply being annular and having a first ply first end and a first ply second end separated from the first ply first end by a first distance, anda second ply being annular, located radially inward from the first ply, and having a second ply first end and a second ply second end separated from the second ply first end by a second distance such that a slip joint is formed by a circumferential overlap of the first ply first end and the second ply second end,wherein: the first ply and the second ply have a cross-sectional shape that resembles a “W” and includes an inner diameter edge, an outer diameter edge, and at least one leg extending from the inner diameter edge to the outer diameter edge and having a lea distance,the slip joint is located at the outer diameter edge, andthe first location is positioned between 150 degrees and 210 degrees from the slip joint;coupling the second ply to the first ply at a first location along one of the at least one leg that is between 40 percent and 60 percent of the leg distance from the outer diameter edge via spot joining to form a spot weld; andattaching the first ply to the second ply at the slip joint via an adhesive. 12. The method of claim 11, wherein the adhesive is configured to melt at a melting temperature that is less than an operating temperature of an environment of the metal gasket bellows seal. 13. The method of claim 12, further comprising performing a green run of the gas turbine engine to melt the adhesive. 14. The method of claim 11, further comprising transporting the metal gasket bellows seal to a location for assembly of the gas turbine engine, wherein the adhesive resists an increase or a decrease of a diameter of the metal gasket bellows seal during the transporting the metal gasket bellows seal to the location for assembly of the gas turbine engine. 15. The method of claim 11, wherein the adhesive is located at an outer diameter edge of the metal gasket bellows seal or at an inner diameter edge of the metal gasket bellows seal.
Aksit, Mahmut Faruk; Safi, Ahmad; Mohammed-Fakir, Abdul-Azeez; Vedantam, Srikanth; Fang, Ning; Goetze, Gayle Hobbs; Arness, Brian Peter; Greene, John Ellington; Chi, Wei-Ming, Seal for gas turbine nozzle and shroud interface.
Riedell, James A., Thermal protection systems comprising flexible regions of inter-bonded lamina of ceramic matrix composite material and methods of forming the same.
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