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Richard J. Zamora

Researcher at Los Alamos National Laboratory

Publications -  13
Citations -  402

Richard J. Zamora is an academic researcher from Los Alamos National Laboratory. The author has contributed to research in topics: Diffusion (business) & Ab initio. The author has an hindex of 8, co-authored 13 publications receiving 311 citations. Previous affiliations of Richard J. Zamora include Cornell University & Nvidia.

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Investigation of crack tip dislocation emission in aluminum using multiscale molecular dynamics simulation and continuum modeling

TL;DR: In this paper, the authors investigated the dislocation nucleation processes that occur at the tip of a crack in aluminum under a broad range of crystallographic orientations and temperatures, and interpreted the results using a Peierls continuum model that uses finite temperature material properties derived from molecular dynamics simulation.
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The Modern Temperature-Accelerated Dynamics Approach

TL;DR: The ongoing evolution of the modern TAD method is reviewed and the latest development: speculatively parallel TAD is introduced, leveraging parallel programming techniques to enhance both the spatial and temporal scaling of the traditional approach.
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Ab initio prediction of environmental embrittlement at a crack tip in aluminum

TL;DR: In this article, an atomistic-continuum multiscale framework was used to simulate the behavior of a loaded crack tip in the presence of oxygen and hydrogen, and the effect of this bond on the theoretical slip distribution was investigated using a continuum Peierls model.
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Evidence for percolation diffusion of cations and reordering in disordered pyrochlore from accelerated molecular dynamics

TL;DR: It is found that diffusion is slow at low levels of disorder, while higher disorder allows for fast diffusion, which is then accompanied by antisite annihilation and reordering, and thus a slowing of cation transport, and cation diffusivity decreases as the material reorders.