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Alan D Cetel, Curtis Heath Riewe, Dwayne A Braithwaite: Strip process for superalloys. United Technologies Corporation, Bachman & LaPointe P C, July 2, 2013: US08475598

A process for forming a coated substrate comprises providing a nickel base alloy substrate, depositing a chromium coating onto the nickel base alloy substrate and diffusing chromium from said coating into the substrate, applying a MCrAlY coating onto the nickel base alloy substrate and heat treating ...


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Edward R Szela, Daniel A Bales, Alan D Cetel: Low and extra low sulfur alloys for repair. United Technologies Corporation, Bachman & LaPointe PC, January 8, 2019: US10173291

A method for repairing, refurbishing, or replacing a turbine engine component or sub-component includes the steps of providing a turbine engine component or sub-component having a site to be repaired, refurbished, or replaced providing a repair or replacement material having a sulfur content, which ...


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Venkatarama K Seetharaman, Alan D Cetel: applications, Moderate density, low density, and extremely low density single crystal alloys for high AN. United Technologies Corporation, Backman & LaPointe P C, February 5, 2013: US08366838

A single crystal alloy for high AN2 applications has a composition consisting essentially of from 4.0 to 10 wt % chromium, from 1.0 to 2.5 wt % molybdenum, up to 5.0 wt % tungsten, from 3.0 to 8.0 wt % tantalum, from 5.5 to 6.25 wt % aluminum, from 6.0 to 17 wt % cobalt, up to 0.2 wt % hafnium, from ...


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Alan D Cetel, Dilip M Shah: High strength, hot corrosion and oxidation resistant, equiaxed nickel base superalloy and articles and method of making. F Tyler Morrison, Pratt & Whitney, October 14, 2004: US20040200549-A1

Corrosion and oxidation resistant, high strength, directionally solidified superalloy alloys and articles are described. The articles have a nominal composition in weight percent of about 12.1% Cr, 9% Co, 1.9% Mo, 3.8% W, 5% Ta, 3.6% Al, 4.1% Ti, 0.013% B, 0.1 % C, up to about 0.01 Zr, balance essen ...


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Alan D Cetel, Curtis Health Riewe, Dwayne A Braithwaite: Strip process for superalloys. United Technologies Corporation, Bachman & Lapointe PC, May 24, 2007: US20070116875-A1

A process for forming a coated substrate comprises providing a nickel base alloy substrate, depositing a chromium coating onto the nickel base alloy substrate and diffusing chromium from said coating into the substrate, applying a MCrAlY coating onto the nickel base alloy substrate and heat treating ...


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Alan D Cetel, Dilip M Shah: High strength, hot corrosion and oxidation resistant, equiaxed nickel base superalloy and articles and method of making. United Technologies Corporation, Pratt & Whitney, January 4, 2007: US20070000581-A1

Corrosion and oxidation resistant, high strength, directionally solidified superalloy alloys and articles are described. The articles have a nominal composition in weight percent of about 12.1% Cr, 9% Co, 1.9% Mo, 3.8% W, 5% Ta, 3.6% Al, 4.1% Ti, 0.013% B, 0.1% C, up to about 0.01 Zr, balance essent ...


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Sudhangshu Bose, Alan D Cetel, Peter J Draghi, Norman Pietruska: Method for repairing turbine engine components. Barry L Kelmachter, BACHMAN & LaPOINTE PC, September 11, 2003: US20030167636-A1

The present invention relates to a method for repairing turbine engine components, such as vanes and blades, which have airfoils. The method broadly comprises removing oxidation debris from portions of the component by blending areas exhibiting thermal barrier coating spall and/or oxidation damage, ...


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Venkatarama K Seetharaman, Alan D Cetel: Moderate density, low density, and extremely low density single crystal alloys for high AN2 applications. United Technologies Corporation, Bachman & Lapointe PC, July 17, 2008: US20080170961-A1

A single crystal alloy for high AN2 applications has a composition consisting essentially of from 4.0 to 10 wt % chromium, from 1.0 to 2.5 wt % molybdenum, up to 5.0 wt % tungsten, from 3.0 to 8.0 wt % tantalum, from 5.5 to 6.25 wt % aluminum, from 6.0 to 17 wt % cobalt, up to 0.2 wt % hafnium, from ...