Elemental volatility of HT-9 fusion reactor alloy
Conference
·
· Fusion Technol.; (United States)
OSTI ID:5875736
The volatility of elemental constituents from HT-9, a ferritic steel, proposed for fusion reactor structures, was investigated. Tests were conducted in flowing air at temperatures from 800 to 1200/sup 0/C for durations of 1 to 20 h. Elemental volatility was calculated in terms of the weight fraction of the element volatilized from the initial alloy; molybdenum, manganese, and nickel were the primary constituents volatilized. Comparisons with elemental volatilities observed for another candidate fusion reactor material, Primary Candidate Alloy (PCA), an austenitic stainless steel, indicate significant differences between the volatilities of these steels that may impact fusion reactor safety analysis and alloy selection. Scanning electron microscopy and energy dispersive spectrometry were used to investigate the oxide layers formed on HT-9 and to measure elemental contents within these layers.
- Research Organization:
- EG and G Idaho, Inc., Idaho Falls, ID
- OSTI ID:
- 5875736
- Report Number(s):
- CONF-850310-
- Conference Information:
- Journal Name: Fusion Technol.; (United States) Journal Volume: 8:1
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
700206 -- Fusion Power Plant Technology-- Environmental Aspects
700209* -- Fusion Power Plant Technology-- Component Development & Materials Testing
ALLOY-HT-9
ALLOYS
AUSTENITIC STEELS
BUILDING MATERIALS
CHALCOGENIDES
CHROMIUM ALLOYS
CHROMIUM STEELS
CHROMIUM-MOLYBDENUM STEELS
COMPARATIVE EVALUATIONS
CORROSION RESISTANT ALLOYS
ELECTRON MICROSCOPY
ELECTRON SPECTROSCOPY
ELEMENTS
ENERGY-LOSS SPECTROSCOPY
IRON ALLOYS
IRON BASE ALLOYS
MANGANESE
MATERIALS
MATERIALS TESTING
METALS
MICROSCOPY
MOLYBDENUM
NICKEL
OXIDES
OXYGEN COMPOUNDS
SCANNING ELECTRON MICROSCOPY
SPECTROSCOPY
STAINLESS STEELS
STEELS
TESTING
THERMONUCLEAR REACTOR MATERIALS
THERMONUCLEAR REACTORS
TRANSITION ELEMENTS
VOLATILITY
700206 -- Fusion Power Plant Technology-- Environmental Aspects
700209* -- Fusion Power Plant Technology-- Component Development & Materials Testing
ALLOY-HT-9
ALLOYS
AUSTENITIC STEELS
BUILDING MATERIALS
CHALCOGENIDES
CHROMIUM ALLOYS
CHROMIUM STEELS
CHROMIUM-MOLYBDENUM STEELS
COMPARATIVE EVALUATIONS
CORROSION RESISTANT ALLOYS
ELECTRON MICROSCOPY
ELECTRON SPECTROSCOPY
ELEMENTS
ENERGY-LOSS SPECTROSCOPY
IRON ALLOYS
IRON BASE ALLOYS
MANGANESE
MATERIALS
MATERIALS TESTING
METALS
MICROSCOPY
MOLYBDENUM
NICKEL
OXIDES
OXYGEN COMPOUNDS
SCANNING ELECTRON MICROSCOPY
SPECTROSCOPY
STAINLESS STEELS
STEELS
TESTING
THERMONUCLEAR REACTOR MATERIALS
THERMONUCLEAR REACTORS
TRANSITION ELEMENTS
VOLATILITY