AN INVESTIGATION OF A NEW NICKEL ALLOY STRENGTHENED BY DISPERSED THORIA
Technical Report
·
OSTI ID:4115309
An experimental investigation was made to evaluate sheet material composed of a new nickel alloy strengthened by dispersed thoria, for aerospace applications in the temperature range from 1,800 to 2,400 deg F. Mechanical- property tests were made at room and at elevated temperatures from 1,700 to 2,570 deg F. The effect of preoxidation at various temperatures on the room-temperature tensile properties is also shown. One diffusion coating was evaluated to determine its effectiveness in reducing oxidation. Fabrication studies included machining, diffusion-bond joining, and several different welding processes. A description of the equipment and procedures utilized in performing the evaluation tests is also included. The metallurgical study included x-ray analysis and a microstructural examination of uncoated and coated sheet material. (auth)
- Research Organization:
- National Aeronautics and Space Administration. Langley Research Center, Langley Field, Va.
- NSA Number:
- NSA-18-012554
- OSTI ID:
- 4115309
- Report Number(s):
- NASA-TN-D-1944
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
BONDING
COATING
DIFFUSION
DISPERSIONS
EFFICIENCY
FABRICATION
HIGH TEMPERATURE
JOINTS
LABORATORY EQUIPMENT
MACHINING
MATERIALS TESTING
MECHANICAL PROPERTIES
METALLOGRAPHY
METALS, CERAMICS, AND OTHER MATERIALS
NICKEL ALLOYS
OXIDATION
SHEETS
SPACE FLIGHT
TEMPERATURE
TENSILE PROPERTIES
THORIUM OXIDES
USES
WELDING
X RADIATION
COATING
DIFFUSION
DISPERSIONS
EFFICIENCY
FABRICATION
HIGH TEMPERATURE
JOINTS
LABORATORY EQUIPMENT
MACHINING
MATERIALS TESTING
MECHANICAL PROPERTIES
METALLOGRAPHY
METALS, CERAMICS, AND OTHER MATERIALS
NICKEL ALLOYS
OXIDATION
SHEETS
SPACE FLIGHT
TEMPERATURE
TENSILE PROPERTIES
THORIUM OXIDES
USES
WELDING
X RADIATION