Damage structure in Nimonic PE16 alloy ion bombarded to high doses and gas levels
Conference
·
OSTI ID:6067996
The Nimonic PE16 alloy in solution-treated-and-aged condition was bombarded simultaneously with nickel ions and ..cap alpha.. and deuteron beams at 625/sup 0/C to doses of 80 to 313 dpa at He/dpa = 10 and D/dpa = 25. Microstructural changes consisted of the introduction of dislocations and of cavities, and the redistribuion of ..gamma..' precipitates to these defects. Cavitational swelling remained below 1%. Cavities were represented by several distinct size classes, the smaller ones believed to be gas bubbles, and some larger ones associated with preferred growth of precipitate. Formation of bubbles at grain boundaries, and large cavities at incoherent twins intensified the possibility of mechanical separation of interfaces under high-gas irradiation conditions.
- Research Organization:
- Oak Ridge National Lab., TN (USA)
- DOE Contract Number:
- W-7405-ENG-26
- OSTI ID:
- 6067996
- Report Number(s):
- CONF-810831-25; ON: DE81028562
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360106* -- Metals & Alloys-- Radiation Effects
ALLOYS
BORON ADDITIONS
BORON ALLOYS
CARBON ADDITIONS
CHARGED PARTICLES
CHROMIUM ALLOYS
CRYSTAL STRUCTURE
DEUTERIUM IONS
HEAT RESISTANT MATERIALS
HEAT RESISTING ALLOYS
HIGH TEMPERATURE
IONS
IRON ALLOYS
MATERIALS
MICROSTRUCTURE
MOLYBDENUM ALLOYS
NICKEL ALLOYS
NICKEL BASE ALLOYS
NICKEL IONS
NIMONIC
NIMONIC PE16
PHASE TRANSFORMATIONS
PHYSICAL RADIATION EFFECTS
RADIATION EFFECTS
SWELLING
TITANIUM ALLOYS
ZIRCONIUM ADDITIONS
ZIRCONIUM ALLOYS
360106* -- Metals & Alloys-- Radiation Effects
ALLOYS
BORON ADDITIONS
BORON ALLOYS
CARBON ADDITIONS
CHARGED PARTICLES
CHROMIUM ALLOYS
CRYSTAL STRUCTURE
DEUTERIUM IONS
HEAT RESISTANT MATERIALS
HEAT RESISTING ALLOYS
HIGH TEMPERATURE
IONS
IRON ALLOYS
MATERIALS
MICROSTRUCTURE
MOLYBDENUM ALLOYS
NICKEL ALLOYS
NICKEL BASE ALLOYS
NICKEL IONS
NIMONIC
NIMONIC PE16
PHASE TRANSFORMATIONS
PHYSICAL RADIATION EFFECTS
RADIATION EFFECTS
SWELLING
TITANIUM ALLOYS
ZIRCONIUM ADDITIONS
ZIRCONIUM ALLOYS