Conference on Advances in Materials Science - Presentations | National Nuclear Security Administration

Presentations—Session 1

• Modeling of Plutonium Ageing

• The Spectroscopic Signature of Aging in δ-Pu

• Modeling the Aging and Reliability of Solder Joints

• Polymer Material Thermal Decomposition Model with Intensive Decomposition Area

• Experimental Characterization of Foams in Fire Environments

• Numerical Modeling of Heat Transfer in Foams in Fire Environments

• Study of Mineral Oil Aging Contacted to Design Materials of the Neutron Generator

Presentations—Session 2

• General Survey of JIHT RAS Team Approach and Results

• Accurate Prediction of Dynamic Fracture with Peridynamics

• Molecular dynamic simulation of thermodynamic and mechanical properties and behavior of materials when dynamic loading

• Challenges of and Variations on Coupled Atomistic-Continuum Simulation

• Electrical Effects of Ionizing Radiation on Insulating Materials

• Strongly Coupled Plasma Nanochannel Created by a Fast Single Ion in Condensed Matter

• Molecular Dynamics Simulations of Displacement Cascades in GaAs

Presentations—Session 3

• Modeling coupled interaction between crack growth, diffusion and chemical reactions

• Influence of defects type and chemical reaction on fracture initiation, molecular dynamics study

• The Determination of the Small Hydrogen Traps as Nucleus of Fatigue and Destruction

• First principles site occupation and migration of helium in β-phase erbium hydride

• Theoretical Model for the Hydrogen-Material Interaction as a Basis for Prediction of the Material Mechanical Properties

• Properties Research of Chemically Deposited Nickel Coatings Modified with Nano Diamonds

• Evolving Metallurgical Behaviors in Plutonium from Self-Irradiation

• Isochronal Annealing of Radiation Damage in α- and δ-Pu Alloys

• Spiked Alloy Production

Presentations—Session 4

• Structural changes in metals under high-rate deformation

• Spall and Shear Fractures in the Spherically Converging Shells of Iron and Steels. Measurements of Energy and Residual Strains

• DFT studies of electronic excitation effects: crystal lattice stability, non-adiabatic transitions

• Joint US Russia Conference on Advances in Materials Science

• Cluster Dynamics Method for Simulation of Dynamic Processes of Continuum Mechanics of Continuum Mechanics

• Density and Nonideality Effects in Plasmas

• Self-diffusion in Mo using the AM05 density functional

• Thermo-mechanical effects in perfect crystals with arbitrary multibody potential

Presentations—Session 5

• Wide Range Equation of State of Water

• On the Universal Behaviour of Some Organic Compounds under Compression

• Shock induced plasticity in Al, Cu and Al-Cu alloys

• Wide-Range High-Strain-Rate Shear Strength Model for Metals

• Static material strength determined using a DAC

• Measurement of Sound Velocities in Shock-Compressed Tin Under Pressures of up to 150 GPa

• Determination of Longitudinal and Bulk Sound Velocities in Natural Uranium Under Shock-wave Loading

• Calculation of sound speed behind the shock wave front for various materials and comparison with experimental data

Presentations—Session 6

• Models of Fracture from Atomistic Simulations

• Modeling the Interconnections between a Structural Transformation Front and a Growing Crack

• FEM Simulation of Fatigue Damage, Crack Nulceation and Growth in a Pre-Damaged Material

• Dynamic Strength Experiments

• Influence of Dynamic Properties on Perturbation Growth in Tantalum

• Deviatoric Constitutive Model Domain of Strain Rate Validity

• Modeling and Simulation of the Thermo-Acousto-Elastic Waves in Solids of Complex Rheology

• Accurate Direct Eulerian Simulation of Dynamic Elastic-Plastic Flow

Presentations—Session 7

• Simulation of Ce Response to Dynamic Loading

• Predictions from the Equation of State of Cerium Yield Interesting Insights into Experimental Results

• Features of Cerium Compressibility and Spall Strength in the (γ−α) Phase–Transformation Region under Explosive Loading

• Study of Shock-Wave Processes in Cerium

• Molecular dynamics study of the influence of temperature on the spall strength in solid Al

• The effect of shock wave and quasi-isentropic loading on the shear and spalling strength of metals with natural and microcrystalline structure

• Spall Fracture and Compaction in Natural Uranium Under Shock-Wave Loading