Ankit Roy
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View article: Optimizing post-processing procedures to enhance bond quality of additively manufactured aluminum alloy 6061 using multiscale modeling
Optimizing post-processing procedures to enhance bond quality of additively manufactured aluminum alloy 6061 using multiscale modeling Open
Optimizing post-processing procedures, such as hot isostatic pressing (HIP), is crucial for minimizing defects in additively manufactured aluminum alloy 6061 (6061) components. In this study, we introduce a multiscale modeling framework in…
View article: Achieving Surprise and Deception in the Era of Battlefield Transparency
Achieving Surprise and Deception in the Era of Battlefield Transparency Open
The rapid advancement of surveillance and reconnaissance technologies has significantly increased battlefield transparency, posing challenges to achieving surprise and deception in modern military operations. This study explores historical…
View article: Molecular dynamics study of grain boundaries as defect sinks under irradiation in LiAlO2 and LiAl5O8
Molecular dynamics study of grain boundaries as defect sinks under irradiation in LiAlO2 and LiAl5O8 Open
Lithium aluminate ceramics, LiAlO 2 and LiAl 5 O 8 , show promise in nuclear environments due to their excellent radiation tolerance. Molecular dynamics simulations investigate grain boundaries (GB) and their role in defect evolution. Resu…
View article: A review of displacement cascade simulations using molecular dynamics emphasizing interatomic potentials for TPBAR components
A review of displacement cascade simulations using molecular dynamics emphasizing interatomic potentials for TPBAR components Open
This review explores molecular dynamics simulations for studying radiation damage in Tritium Producing Burnable Absorber Rod (TPBAR) materials, emphasizing the role of interatomic potentials in displacement cascades. Recent machine learnin…
View article: Machine learning and molecular dynamics simulations aided insights into condensate ring formation in laser spot welding
Machine learning and molecular dynamics simulations aided insights into condensate ring formation in laser spot welding Open
Condensate ring formation can be used as a benchmark in welding processes to assess the efficiency and quality of the weld. Condensate formation is critical as the resulting condensate settles into the powder thereby altering the quality o…
View article: The effect of 316 steel surface roughness on absorption of 1064 nm laser emissions
The effect of 316 steel surface roughness on absorption of 1064 nm laser emissions Open
View article: Effect of Hydrogen and Helium on Irradiation Damage Accumulation in Nickel
Effect of Hydrogen and Helium on Irradiation Damage Accumulation in Nickel Open
We report our results on the study of the effects of hydrogen and helium on irradiation damage accumulation in nickel, aiming to understand the TEM observations made by Edwards et al. regarding the Ni-coatings protecting the getter tube in…
View article: Atomistic simulations to reveal HIP-bonding mechanisms of Al6061/Al6061
Atomistic simulations to reveal HIP-bonding mechanisms of Al6061/Al6061 Open
View article: Evaluation of DED and LPBF Fe-based Alloys Process Application Envelopes based on Performance, Process Economics, Supply Chain Risks, and Reactor-specific Targeted Components
Evaluation of DED and LPBF Fe-based Alloys Process Application Envelopes based on Performance, Process Economics, Supply Chain Risks, and Reactor-specific Targeted Components Open
The U.S. Department of Energy (DOE), Office of Nuclear Energy (NE), Advanced Materials and Manufacturing Technologies (AMMT) program aims to develop extreme-environment materials solutions for use in the deployment of advanced nuclear reac…
View article: Studies on Printability Methodologies and Directed-Energy-Deposition-Fabricated Iron Alloys for Nuclear Applications
Studies on Printability Methodologies and Directed-Energy-Deposition-Fabricated Iron Alloys for Nuclear Applications Open
This report provides results from a printability study of laser directed energy deposition (DED)-based additive manufacturing of nuclear-grade stainless steels as well as DED process parameter development for austenitic Alloy 709 (A709) an…
View article: Development Results on Replacement Materials for Current Scarce or High Supply Chain Risk Materials
Development Results on Replacement Materials for Current Scarce or High Supply Chain Risk Materials Open
In September 2020, the U.S. government issued an executive order to address the threat to the domestic supply chain from its reliance on critical minerals (CMs) from foreign competitors and to support the domestic mining and processing ind…
View article: Optical Evidence of Compositional Fractioning between Plasma‐Condensed and Melt Pool Matter
Optical Evidence of Compositional Fractioning between Plasma‐Condensed and Melt Pool Matter Open
Control of multicomponent alloys during welding is challenging because it lacks a real‐time understanding of composition. The optical emissions of plasma formed during laser‐induced metal welding correlate with the composition of particles…
View article: Chemical composition based machine learning model to predict defect formation in additive manufacturing
Chemical composition based machine learning model to predict defect formation in additive manufacturing Open
View article: Cluster dynamics simulations of tritium and helium diffusion in lithium ceramics
Cluster dynamics simulations of tritium and helium diffusion in lithium ceramics Open
View article: Molecular dynamics simulations of displacement cascades in LiAlO2 and LiAl5O8 ceramics
Molecular dynamics simulations of displacement cascades in LiAlO2 and LiAl5O8 ceramics Open
View article: Prioritization of Existing Reactor Materials
Prioritization of Existing Reactor Materials Open
The Advanced Materials and Manufacturing Technologies (AMMT) Program is aiming at the faster incorporation of new materials and manufacturing technologies into complex nuclear-related systems. An integrated approach, combining advanced cha…
View article: Insights into radiation resistance of titanium alloys from displacement cascade simulations
Insights into radiation resistance of titanium alloys from displacement cascade simulations Open
View article: Evaluation of printability methodologies and feasibility to down select LBPF steel and other materials for nuclear applications
Evaluation of printability methodologies and feasibility to down select LBPF steel and other materials for nuclear applications Open
In this work, new research is underway to produce alloys beyond well-known alloys with modified compositions that are better suited to be produced with additive manufacturing. These alloys can only possess improved radiation tolerance but …
View article: Rapid discovery of high hardness multi-principal-element alloys using a generative adversarial network model
Rapid discovery of high hardness multi-principal-element alloys using a generative adversarial network model Open
View article: Towards On-the-Fly Feedback Loops for Direct Energy Deposition Systems
Towards On-the-Fly Feedback Loops for Direct Energy Deposition Systems Open
Journal Article Towards On-the-Fly Feedback Loops for Direct Energy Deposition Systems Get access Matthew Olszta, Matthew Olszta Pacific Northwest National Laboratory, Richland, WA, United States Search for other works by this author on: O…
View article: Molecular dynamics simulations of displacement cascades in LiAlO 2 and LiAl 5 O 8 ceramics
Molecular dynamics simulations of displacement cascades in LiAlO 2 and LiAl 5 O 8 ceramics Open
Molecular dynamics was employed to investigate the radiation damage due to collision cascades in LiAlO 2 and LiAl 5 O 8 , the latter being a secondary phase formed in the former during irradiation. Atomic displacement cascades were simulat…
View article: Molecular dynamics simulations of radiation response of LiAlO2 and LiAl5O8
Molecular dynamics simulations of radiation response of LiAlO2 and LiAl5O8 Open
View article: Chemical Composition Based Machine Learning Model to Predict Defect Formation in Additive Manufacturing
Chemical Composition Based Machine Learning Model to Predict Defect Formation in Additive Manufacturing Open
View article: Cultural Adoption Through Advertisements: International and Indian Scenarios
Cultural Adoption Through Advertisements: International and Indian Scenarios Open
Advertising has always been used as a mass media tool to reach out to heterogeneous consumers with their varied choices. Cross-cultural advertising research on the other hand includes the branch of advertising research that explores the is…
View article: Characterization of Iron Oxides: Valence States and Naturally Occurring Polymorphs Using Chemical Shift of X–Ray FeLβ1 Line by WD–XRF
Characterization of Iron Oxides: Valence States and Naturally Occurring Polymorphs Using Chemical Shift of X–Ray FeLβ1 Line by WD–XRF Open
View article: A Review Paper on Plant Disease Detection and Recognition by Using Deep Learning
A Review Paper on Plant Disease Detection and Recognition by Using Deep Learning Open
We living being are mostly dependent on plant and animals as well. We don’t have much food that can even sustain for even some years for we are not the only consumers on this earth. 29% of the land where the whole living eco-system exists …
View article: Machine-learning-guided descriptor selection for predicting corrosion resistance in multi-principal element alloys
Machine-learning-guided descriptor selection for predicting corrosion resistance in multi-principal element alloys Open
View article: Vacancy formation energies and migration barriers in multi-principal element alloys
Vacancy formation energies and migration barriers in multi-principal element alloys Open
View article: Rapid Discovery of High Hardness Multi Principal Element Alloys Using a Generative Adversarial Network Model
Rapid Discovery of High Hardness Multi Principal Element Alloys Using a Generative Adversarial Network Model Open
View article: Grain-size effects on the deformation in nanocrystalline multi-principal element alloy
Grain-size effects on the deformation in nanocrystalline multi-principal element alloy Open