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Meeting MS&T22: Materials Science & Technology
Symposium Dynamic Behavior of Materials: Experiments and Molecular Dynamics Simulations
Presentation Title Phase Transformation in Cu
Author(s) Nilanjan Mitra
On-Site Speaker (Planned) Nilanjan Mitra
Abstract Scope Cu is utilized as an impactor material in many plate impact experiments within the shock compression community, primarily because it is believed that there is no solid-solid phase transformation in the material. However, it has been reported that Cu based Hume-Rothery shape memory alloys exhibit body centric phase transformations at high temperatures. Thereby, the possibility of phase transitions of Cu under high temperature and/or high pressure cannot be completely ruled out. With that in perspective, atomistic simulations have been carried out to probe the phase transformation of Cu subjected to high temperature and high pressure in shock compression experiments and observance of BCT phase of Cu has been reported based on Gibbs free energy calculations within the quasiharmonic approximations, supporting previous postulation by Friedel. Interestingly, recent experimental investigations carried by Gupta group at WSU on polycrystalline Cu in 2020 also demonstrated presence of body centered phases (PRB (2020): 102, 020103(R)).

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

A Molecular Dynamics Study of the Effect of an Oxide Layer on the High Velocity Deposition of Tantalum Nanoparticles
Atomic Simulations of Shock Wave Propagation in Polymers and Their Interfaces
Exploring Thermal, Mechanical, and Electrical Shock via In-situ Electron Microscopy
Mechanical Properties in Thermally Processed Ag-Cu-Ni Nanoclusters: Effect of Surface Composition and Core-shell Morphology Using Hybrid Monte Carlo/Molecular Dynamics Simulations
Micro Cold Spray of Zinc Oxide Films
Phase Transformation in Cu
Scaling up Molecular Dynamics Simulations of High Velocity Particle Impacts
Shock-induced Spallation in Monocrystalline Boron Carbide
Shock Compression of CuxZr100-x Metallic Glasses
Structure / Property (Constitutive and Dynamic Strength / Damage) Characterization of Single-Phase FeAl

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