Applications of composite gas turbine components. Semi-annual technical progress report, Phase 1

Technical Report · Tue Sep 01 00:00:00 EDT 1981

OSTI ID:5681284

Peterson, L G; Hrencecin, D E; Carreno, D E; Beltran, A M; Schilling, W F; Ostergren, W J

Phase I of this program evaluates several nickel base superalloy combinations which have been diffusion bonded using hot isostatic pressing (HIP). This technique enables large gas turbine buckets to be fabricated using materials with improved creep and low-cycle fatigue life for the airfoil and greater high-temperature tensile strength in the dovetail. The program will specifically investigate three directionally solidified airfoil alloys and two powdered metal dovetail alloys. This effort will include heat treat studies, physical metallurgy and high-temperature tensile testing for all five alloys in their HIP bonded condition. In parallel with these tasks will be studies of mechanics of materials and mechanical design considerations for adapting composite bucket technology into advanced gas turbine designs.

• Research Organization: General Electric Co., Schenectady, NY (USA). Gas Turbine Div.
• DOE Contract Number: AC01-80ET17005
• OSTI ID: 5681284
• Report Number(s): DOE/ET/17005-2; ON: DE82004710
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
33 ADVANCED PROPULSION SYSTEMS
GAS TURBINES
TURBINE BLADES
NICKEL BASE ALLOYS
CREEP
FABRICATION
FATIGUE
TENSILE PROPERTIES
MICROSTRUCTURE
ALLOYS
CRYSTAL STRUCTURE
MACHINERY
MECHANICAL PROPERTIES
NICKEL ALLOYS
TURBINES
TURBOMACHINERY
360101* - Metals & Alloys- Preparation & Fabrication
360103 - Metals & Alloys- Mechanical Properties
330103 - Internal Combustion Engines- Turbine