Michael P. Smith - Glastonbury CT Janet Stanley - East Hampton CT David S. Murphy - Southington CT Robert W. Baumgarten - Cromwell CT Thomas DeMichael - Stafford Springs CT Stephen L. Mayers - Jupiter FL
Assignee:
United Technologies Corporation - Hartford CT
International Classification:
H05B 300
US Classification:
219535, 219529, 2988921, 2988922
Abstract:
The present invention relates to a method for fabricating an integrally bladed rotor which comprises providing a hub section, preferably formed from a titanium based alloy, and welding an airfoil, also preferably formed from a titanium based alloy, to the hub section. The method further comprises partially aging and cooling the hub section prior to welding and aging the airfoil and the weld joint between the airfoil and the hub section subsequent to welding. The post welding aging step is preferably carried out using a novel encapsulated local airfoil heating device having a plurality of heating elements woven into a jacket made from a high temperature cloth material. The method of the present invention may also be used to repair integrally bladed rotors.
Integrally Bladed Rotor Airfoil Fabrication And Repair Techniques
Michael Smith - Glastonbury CT, US Janet Stanley - East Hampton CT, US David Murphy - Southington CT, US Robert Baumgarten - Cromwell CT, US Thomas DeMichael - Stafford Springs CT, US Stephen Mayers - Jupiter FL, US
International Classification:
H05B003/34 H05B003/54 B23P015/04
US Classification:
148/528000, 029/889210
Abstract:
The present invention relates to a method for fabricating an integrally bladed rotor which comprises providing a hub section, preferably formed from a titanium based alloy, and welding an airfoil, also preferably formed from a titanium based alloy, to the hub section. The method further comprises partially aging and cooling the hub section prior to welding and aging the airfoil and the weld joint between the airfoil and the hub section subsequent to welding. The post welding aging step is preferably carried out using a novel encapsulated local airfoil heating device having a plurality of heating elements woven into a jacket made from a high temperature cloth material. The method of the present invention may also be used to repair integrally bladed rotors.
- Farmington CT, US Luke H. Rettberg - West Hartford CT, US Andrew L. Haynes - Glastonbury CT, US Janet M. Stanley - East Hampton CT, US Vasisht Venkatesh - West Hartford CT, US David Ulrich Furrer - Marlborough CT, US James R. Murdock - Tolland CT, US Daniel Gynther - Marlborough CT, US Michael J. Linden - East Haddam CT, US
International Classification:
B23P 15/00 F01D 5/30 F01D 5/28 C21D 1/00
Abstract:
Disclosed is a method of making an integrally bladed rotor. According to the method, a rotor disk comprising a radially outer rim surface is provided. A portion of the disk outer rim surface is removed, leaving a protrusion on the rotor disk outer rim surface. The disk with material removed is subjected to thermal processing. A blade comprising an airfoil and a base is positioned such that a base surface is in contact with the protrusion, and heat, pressure, and motion are applied between the blade and the disk to friction weld the base surface to the protrusion.
- Farmington CT, US Luke H. Rettberg - West Hartford CT, US Andrew L. Haynes - Glastonbury CT, US Janet M. Stanley - East Hampton CT, US Vasisht Venkatesh - West Hartford CT, US David Ulrich Furrer - Marlborough CT, US James R. Murdock - Tolland CT, US Daniel Gynther - Marlborough CT, US Michael J. Linden - East Haddam CT, US
Disclosed is a method of making an integrally bladed rotor. According to the method, a titanium alloy rotor disk with 15-50% by volume of primary alpha grains with a grain size less than 10 μm and secondary alpha grains comprising widmanstatten grains with a grain size less than 1.0 μm is subjected to thermal processing. After thermal processing, a blade having an airfoil and a base is positioned such that a base surface is in contact with an outer rim surface of the disk. Heat, pressure, and motion are applied between the blade and the disk to friction weld the base surface to the disk outer rim surface.
Name / Title
Company / Classification
Phones & Addresses
Ms. Janet Stanley Campus Vice President
Everglades College, Inc. (Headquarters) Everglades University Schools - Academic - Colleges & Universities. Schools - Business & Vocational
1900 W. Commercial Blvd., #180, Fort Lauderdale, FL 33309 954 776-4456, 954 431-2929
Janet Stanley Campus Vice President
Everglades College, Inc. (Headquarters) College/University
1900 W Commercial Blvd #180, Fort Lauderdale, FL 33309 5002 T Rex Ave, Boca Raton, FL 33431 1900 W Coml Blvd, Fort Lauderdale, FL 33309 954 776-4456, 954 431-2929, 561 912-1211, 954 776-4476
Janet Stanley
NATURAL AFFAIRS, LLC
162 Main St, East Hampton, CT 06424
Janet S. Stanley
NS PROPERTIES, LLC
Janet C. Stanley
JANET ENTERPRISES INC
Isbn (Books And Publications)
In The Firing Line: Violence And Power In Child Protection Work