NEEP 541 Review for Second Exam Fall 2002 Jake Blanchard

Outline Review

Second Exam The second exam will be closed book All questions will be qualitative It covers everything we’ve discussed since the previous exam

Topics Material Properties Reactor materials – fission & fusion Tensile tests – true stress and strain, plastic instability Tube rupture tests – types of creep Impact tests - DBTT

Focusing and Channeling Definition Energy range Displacement effects Channeling Criteria for angle

Sputtering Model, including stopping power and binding energy Energy Dependence Angular Dependence Empirical Models Chemical Sputtering

Topics Strength Theoretical Dislocations Source hardening Friction hardening Hardening by depleted zones Hardening by impenetrable obstacles Loop hardening

Topics Damage in Steels Composition Black dot structure Dislocation loops Voids Hardening Transition temperature Helium effects

Phase Change Spinodal Decomposition Nucleation and Growth Inverse Kirkendall Effect Temperature Effects

Topics Creep Embrittlement Primary, secondary, tertiary Creep mechanisms Irradiation effects Fracture mechanisms Embrittlement Plastic instability Helium effects Grain size Temperature effects

Topics Irradiation creep Mechanisms – SIPA, SIPN, etc. Relation to swelling Data

Topics Swelling Void stability vs. stacking fault Rate theory Thermal emission Effects on stresses Contemporary theory Data Effects of composition, solutes, heat treatment, cold work

Topics Ion swelling Graphite Temperature shift Structure Types of graphite Swelling Thermomechanical properties Chemical sputtering

Topics Photons Radiation Environment in Space Interactions Attenuation coefficients Radiation Environment in Space

Topics Semiconductor Damage How a semiconductor works Ionization in semiconductors Displacements in Si

Topics Optical Properties Polymers Color centers Data Mechanical properties Electrical properties