Effects of point defect trapping and solute segregation on irradiation-induced swelling and creep
Conference
·
OSTI ID:6430513
The theory of irradiation swelling and creep, generalized to include impurity trapping of point defects and impurity-induced changes in sink efficiencies for point defects, is reviewed. The mathematical framework is developed and significant results are described. These include the relation between vacancy and interstitial trapping and the effectiveness of trapping as compared to segregation-induced changes in sink efficiencies in modifying void nucleation, void growth, and creep. Current understanding is critically assessed. Several areas requiring further development are identified. In particular those given special attention are the treatment of nondilute solutions and the consequences of current uncertainties in fundamental materials properties whose importance has been identified using the theory.
- Research Organization:
- Oak Ridge National Lab., TN (USA)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- W-7405-ENG-26
- OSTI ID:
- 6430513
- Report Number(s):
- CONF-781194--3
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360103 -- Metals & Alloys-- Mechanical Properties
360106* -- Metals & Alloys-- Radiation Effects
BINDING ENERGY
CREEP
CRYSTAL DEFECTS
CRYSTAL STRUCTURE
DIFFUSION
DISLOCATIONS
ELEMENTS
ENERGY
EQUATIONS
GRAIN BOUNDARIES
INTERSTITIALS
LINE DEFECTS
MATERIALS
MATHEMATICAL MODELS
MECHANICAL PROPERTIES
METALS
MICROSTRUCTURE
NUCLEATION
PHYSICAL RADIATION EFFECTS
POINT DEFECTS
PRECIPITATION
RADIATION EFFECTS
SELF-DIFFUSION
SEPARATION PROCESSES
SWELLING
VACANCIES
VOIDS
360103 -- Metals & Alloys-- Mechanical Properties
360106* -- Metals & Alloys-- Radiation Effects
BINDING ENERGY
CREEP
CRYSTAL DEFECTS
CRYSTAL STRUCTURE
DIFFUSION
DISLOCATIONS
ELEMENTS
ENERGY
EQUATIONS
GRAIN BOUNDARIES
INTERSTITIALS
LINE DEFECTS
MATERIALS
MATHEMATICAL MODELS
MECHANICAL PROPERTIES
METALS
MICROSTRUCTURE
NUCLEATION
PHYSICAL RADIATION EFFECTS
POINT DEFECTS
PRECIPITATION
RADIATION EFFECTS
SELF-DIFFUSION
SEPARATION PROCESSES
SWELLING
VACANCIES
VOIDS