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Edward R Szela, Daniel A Bales, Alan D Cetel: Low and extra low sulfur alloys for repair. United Technologies Corporation, May 10, 2012: US20120110848-A1

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 ...


42
Alan D Cetel, Curtis Heath Riewe, Dwayne A Braithwaite: Strip Process for Superalloys. United Technologies Corporation, June 21, 2012: US20120156366-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 ...


43
Sudhangshu Bose, Alan D Cetel, David A Litton, Michael J Maloney, Venkatarama K Seetharaman, Shiela Woodard: Metallic coating for single crystal alloys. United Technologies Corporation, October 20, 2011: US20110256421-A1

A metallic coating for use in a high temperature application is created from a nickel base alloy containing from 5.0 to 10.5 wt % aluminum, from 4.0 to 15 wt % chromium, from 2.0 to 8.0 wt % tungsten, from 3.0 to 10 wt % tantalum, and the balance nickel. The metallic coating has particular utility i ...


44
Mario P Bochiechio, John Joseph Marcin, Alan D Cetel, Dilip M Shah, Kevin W Schlichting: Crucible for master alloying. May 10, 2012: US20120112391-A1

A crucible includes a composite of least two materials. The two materials are selected from a group consisting of alumina, calcia, yttria, erbia, gadolinia, magnesia, hafnia, and zirconia in a composition that has better resistance to reaction with hafnium from a molten hafnium-containing alloy than ...