Explanipedia

Decoupling thermal and irradiation effects on grain boundary segregation Open

Marie Thomas, Daniele Fatto' Offidani, Mohit Dhoriya, Enrique Martínez, Suveen N. Mathaudhu · 2025

Grain boundary segregation and chemical ordering in CoCrFeMnNi multi-principal element alloy Open

Yitao Wang, Jacob Jeffries, Reza Roumina, Enrique Martı́nez, Suveen N. Mathaudhu , et al. · 2025

Owing to their far-from-dilute compositions, multi-principal element alloys (MPEAs) can exhibit unique combinations of engineering properties. As nearly all MPEAs are polycrystalline aggregates, it is necessary to understand the interactio…

Investigation of melt pool dynamics and solidification microstructures of laser melted Ti-6Al-4V powder using X-ray synchrotron imaging Open

Nicholas Derimow, Madelyn Madrigal Camacho, Orion L. Kafka, Jake T. Benzing, Edward J. Garboczi , et al. · 2024

Titanium alloy (Ti-6Al-4V) is widely used in additive manufacturing (AM) industry. However, as laser powder-bed fusion (PBF-L) additive manufacturing (AM) advances towards reliable production of titanium parts, a thorough understanding of …

A dislocation density-based meshfree computational framework for solid phase processing Open

Lei Li, Julián Escobar, Hrishikesh Das, Shivakant Shukla, Benjamin Schuessler , et al. · 2024

Atomic mixing mechanisms in nanocrystalline Cu/Ni composites under continuous shear deformation and thermal annealing Open

Nanjun Chen, Arun Devaraj, Suveen N. Mathaudhu, Shenyang Hu · 2023

Nanocrystalline Cu/Ni composites subjected to continuous shear deformation and subsequent thermal annealing is investigated by molecular dynamics (MD) simulations to reveal the mechanisms of defect substructure evolution and atomic mixing …

Microstructural evolution in shear-punch tests: A comparative study of pure Cu and Cu-Cr alloy Open

Julián Escobar, Joshua Silverstein, Farhan Ishrak, Lei Li, Ayoub Soulami , et al. · 2023

Nonthermal plasma synthesis of silicon carbonitride Open

Steven Herzberg, Suveen N. Mathaudhu, Lorenzo Mangolini · 2023

The use of a low‐temperature plasma for the synthesis of amorphous silicon carbonitride (SiCN) nanoparticles enables the realization of sintered bulk samples with high thermal stability. Amorphous SiCN nanoparticles are produced from a mix…

Thermal and Radiation Stability in Nanocrystalline Cu Open

Marie Thomas, Heather Salvador, Trevor Clark, Eric Lang, Khalid Hattar , et al. · 2023

Nanocrystalline metals have presented intriguing possibilities for use in radiation environments due to their high grain boundary volume, serving as enhanced irradiation-induced defect sinks. Their promise has been lessened due to the prop…

Shear deformation of pure-Cu and Cu/Nb nano-laminates using micromechanical testing Open

Tanvi Ajantiwalay, Xiaolong Ma, Anqi Yu, Mayur Pole, Joshua Silverstein , et al. · 2023

Atomic Mixing Mechanisms in Nanocrystalline Cu/Ni Composites Under Continuous Shear Deformation and Thermal Annealing Open

Nanjun Chen, Arun Devaraj, Suveen N. Mathaudhu, Shenyang Hu · 2023

Shear Localization in Single-Phase Cu and Cu/Nb Nanolaminates Using Micromechanical Framework Open

Tanvi Ajantiwalay, Xiaolong Ma, Anqi Yu, Mayur Pole, Joshua Silverstein , et al. · 2023

Microstructural Evolution in Shear-Punch Tests: A Comparative Study of Pure Cu and Cu-Cr Alloy Open

Julián Escobar, Joshua Silverstein, Farhan Ishrak, Lei Li, Ayoub Soulami , et al. · 2023

Defect substructure energy landscape in polycrystalline Al under large deformation: insights from molecular dynamics Open

Nanjun Chen, Shenyang Hu, Wahyu Setyawan, Peter V. Sushko, Suveen N. Mathaudhu · 2022

Revealing local order via high energy EELS Open

James L. Hart, Andrew C. Lang, Y. Li, S. Shahrezaei, Darius Alix-Williams , et al. · 2022

Process parameters and system responses in friction extrusion Open

Md. Reza‐E‐Rabby, Xiao Li, G.J. Grant, Suveen N. Mathaudhu, A. P. Reynolds · 2022

This is the Way: Tracing the Path between Damascus Steel and Beskar Open

Suveen N. Mathaudhu, Eric M. Taleff, J. Wadsworth · 2022

Mapping structural heterogeneity at the nanoscale with scanning nano-structure electron microscopy (SNEM) Open

Yevgeny Rakita, James L. Hart, Partha Pratim Das, Sina Shahrezaei, Daniel L. Foley , et al. · 2022

Analysis of contact conditions and microstructure evolution in shear assisted processing and extrusion using smoothed particle hydrodynamics method Open

Lei Li, Md. Reza‐E‐Rabby, Nicole Overman, Tianhao Wang, Scott Whalen , et al. · 2022

Strain and strain rate in friction extrusion Open

Xiao Li, Md. Reza‐E‐Rabby, Anthony Guzman, G.J. Grant, Suveen N. Mathaudhu , et al. · 2022

Friction extrusion is a metal forming process that generates large plastic strains and deformation-induced heating through friction between a rotating die and the material to be extruded. The final deformation state in friction extruded wi…

Mass transport in a highly immiscible alloy on extended shear deformation Open

Miao Song, Jia Liu, Xiaolong Ma, Qin Pang, Matthew J. Olszta , et al. · 2022

Review of recent progress on in situ TEM shear deformation: a retrospective and perspective view Open

Shuang Li, Cynthia A. Powell, Suveen N. Mathaudhu, Bharat Gwalani, Arun Devaraj , et al. · 2022

Shear strain gradient in Cu/Nb nanolaminates: Strain accommodation and chemical mixing Open

Xiaolong Ma, Bharat Gwalani, Jinhui Tao, Mert Efe, Matthew J. Olszta , et al. · 2022

Extended Shear Deformation of the Immiscible Cu–Nb Alloy Resulting in Nanostructuring and Oxygen Ingress with Enhancement in Mechanical Properties Open

Bharat Gwalani, Qin Pang, Anqi Yu, Wenkai Fu, Lei Li , et al. · 2022

Deformation processing of immiscible systems is observed to disrupt thermodynamic equilibrium, often resulting in nonequilibrium microstructures. The microstructural changes including nanostructuring, hierarchical distribution of phases, l…

<i>In-situ</i> observation of deformation twin associated sub-grain boundary formation in copper single crystal under bending Open

Shuang Li, Lei Li, Ayoub Soulami, Cynthia A. Powell, Suveen N. Mathaudhu , et al. · 2022

In this work, we use in-situ TEM in combination with finite elemental analysis to reveal the sub-grain boundary formation during bending of Cu single crystal. The deformation process is featured by dislocations propagation, formation of st…

Decoupling of strain and temperature effects on microstructural evolution during high shear strain deformation Open

Anqi Yu, Mayur Pole, Julián Escobar, Krassimir N. Bozhilov, Jia Liu , et al. · 2022

Nanotwin assisted reversible formation of low angle grain boundary upon reciprocating shear load Open

Shuang Li, Nanjun Chen, Aashish Rohatgi, Yulan Li, Cynthia A. Powell , et al. · 2022

Effect of loading path on grain misorientation and geometrically necessary dislocation density in polycrystalline aluminum under reciprocating shear Open

Wenkai Fu, Yulan Li, Shenyang Hu, Peter V. Sushko, Suveen N. Mathaudhu · 2022

Porosity evolution during heating of copper made from powder by friction extrusion Open

Xiaolong Ma, Xiao Li, Gayaneh Petrossian, Ángel L. Ortiz, Mageshwari Komarasamy , et al. · 2022

Mass Transport in a Highly Immiscible Alloy on Extended Shear Deformation Open

Miao Song, Jia Liu, Xiaolong Ma, Qin Pang, Matthew J. Olszta , et al. · 2022

Decoupling of Strain and Temperature Effects on Microstructural Evolution During High Shear Strain Deformation Open

Anqi Yu, Mayur Pole, Julián Escobar, Krassimir N. Bozhilov, Jia Liu , et al. · 2022

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