8. DEFORM-4: Steady-State and Transient Pre-Failure Pin Behavior
- 8.1. Overview and General Background
- 8.2. Fuel-pin Mechanics
- 8.3. Fuel-pin Phenomenology
- 8.3.1. As-Fabricated Porosity Migration
- 8.3.2. Grain Growth
- 8.3.3. Fission-gas Release
- 8.3.4. Fuel Swelling
- 8.3.5. Irradiation-induced Cladding Swelling
- 8.3.6. Fission-gas Plenum Pressure
- 8.3.7. Molten Cavity Pressurization
- 8.3.8. Fuel-cladding Gap Conductance
- 8.3.9. Fuel Axial Expansion Reactivity Model
- 8.3.10. Metal Fuel Modeling
- 8.4. Fuel-pin Failure Criteria
- 8.5. General Method of Solution
- 8.6. Computer Code Implementation
- 8.7. Material Properties
- 8.7.1. Fuel Density
- 8.7.2. Fuel Thermal Expansion Coefficient
- 8.7.3. Fuel Modulus of Elasticity
- 8.7.4. Mixed Oxide Fuel Thermal Conductivity
- 8.7.5. Mixed Oxide Fuel Fracture Strength
- 8.7.6. Mixed Oxide Fuel Creep Rate
- 8.7.7. Cladding Thermal Expansion Coefficient
- 8.7.8. Cladding Modulus of Elasticity
- 8.7.9. Cladding Ultimate Tensile Strength
- 8.7.10. Cladding Flow Stress
- 8.7.11. Thermal Conductivity of Helium
- 8.7.12. Thermal Conductivity of Fission Gas
- 8.7.13. Fuel Hardness
- 8.7.14. Cladding Hardness
- 8.7.15. Cladding Fast Creep
- 8.7.16. Material Properties of Metal Alloy Fuel
- 8.7.17. 15-15Ti Cladding Properties
- 8.8. References
- 8.9. Nomenclature