Search Results - "Plotkowski, Alex"

Metal additive manufacturing simulation across length, time, and computing scales.

Authors: Plotkowski, Alex Rolchigo, Matt Wagner, Gregory et al.

Source: International Materials Reviews. May2026, Vol. 71 Issue 3, p254-293. 40p.

Subjects: Computer simulation, Simulation methods & models, Graphics processing units, Metal fabrication, Scientific computing, Mechanical behavior of materials, Process optimization, Microstructure

Establishing model credibility for process-microstructure-property relationships in additive manufacturing using exascale computing.

Authors: Rolchigo, Matt Coleman, John Carson, Robert et al.

Source: International Journal of High Performance Computing Applications; Jul2026, Vol. 40 Issue 4, p437-465, 29p

Phase Selection During Solidification and Solid-State Phase Transformations in an Al-10Ce-8Mn (wt pct) Alloy.

Authors: Sisco, Kevin Plotkowski, Alex Feldhausen, Thomas et al.

Source: Metallurgical & Materials Transactions. Part A; Dec2024, Vol. 55 Issue 12, p5137-5158, 22p

Optimization of Processing, Microstructure, and Hardness of an Al–Ce–Ni–Mn–Zr Alloy With Laser Additive Manufacturing.

Authors: Fieser, David Lawton, Michael Bahl, Sumit et al.

Source: Advanced Engineering Materials; 4/22/2026, Vol. 28 Issue 8, p1-14, 14p

Temperature-Dependent Thermal and Mechanical Properties of a Wire Arc Additively Manufactured Low Transformation Temperature Steel.

Authors: Tang, Wei Fancher, Chris M. Nandwana, Peeyush et al.

Source: Metallurgical & Materials Transactions. Part A; Mar2023, Vol. 54 Issue 3, p854-868, 15p

Correction: Phase Selection During Solidification and Solid-State Phase Transformations in an Al-10Ce-8Mn (wt pct) Alloy.

Authors: Sisco, Kevin Plotkowski, Alex Feldhausen, Thomas et al.

Source: Metallurgical & Materials Transactions. Part A; Dec2024, Vol. 55 Issue 12, p5159-5159, 1p

Enabling rapid X-ray CT characterisation for additive manufacturing using CAD models and deep learning-based reconstruction.

Authors: Ziabari, Amirkoushyar Venkatakrishnan, S. V. Snow, Zackary et al.

Source: NPJ Computational Materials; 5/30/2023, Vol. 9 Issue 1, p1-10, 10p

Macrosegregation modeling during direct-chill casting of aluminum alloy 7050.

Authors: Fezi, Kyle Plotkowski, Alex Krane, Matthew John M.

Source: Numerical Heat Transfer: Part A -- Applications. 2016, Vol. 70 Issue 9, p939-963. 25p.

Towards high-temperature applications of aluminium alloys enabled by additive manufacturing.

Authors: Michi, Richard A. Plotkowski, Alex Shyam, Amit et al.

Source: International Materials Reviews. Apr2022, Vol. 67 Issue 3, p298-345. 48p.

Subjects: Aluminum alloys, Titanium powder, Energy consumption, Titanium, Alloys, Aluminum, Microstructure

A Metric for the Quantification of Macrosegregation During Alloy Solidification.

Authors: Fezi, Kyle Plotkowski, Alex Krane, Matthew

Source: Metallurgical & Materials Transactions. Part A; Jun2016, Vol. 47 Issue 6, p2940-2951, 12p

ExaAM: Metal additive manufacturing simulation at the fidelity of the microstructure.

Authors: Turner, John A Belak, James Barton, Nathan et al.

Source: International Journal of High Performance Computing Applications; Jan2022, Vol. 36 Issue 1, p13-39, 27p

Myna: Connecting powder bed fusion build data to simulation tools for digital twin applications.

Authors: Knapp, Gerald L. Reeve, Samuel Temple Coleman, John et al.

Source: Computational Materials Science; Aug2025, Vol. 258, pN.PAG-N.PAG, 1p

Geometry-Dependent Solidification Regimes in Metal Additive Manufacturing.

Authors: PLOTKOWSKI, ALEX, plotkowskiaj@ornl.gov

Source: Welding Journal; Feb2020, Vol. 99 Issue 2, p59-s-66-s, 8p, 1 Diagram, 3 Charts, 4 Graphs

ExaCA v2.0: A versatile, scalable, and performance portable cellular automata application for additive manufacturing solidification.

Authors: Rolchigo, Matt Reeve, Samuel Temple Stump, Benjamin et al.

Source: Computational Materials Science; Mar2025, Vol. 251, pN.PAG-N.PAG, 1p

On the numerical sensitivity of cellular automata grain structure predictions to large thermal gradients and cooling rates.

Authors: Rolchigo, Matt Stump, Benjamin Coleman, John et al.

Source: Computational Materials Science; Feb2025, Vol. 249, pN.PAG-N.PAG, 1p

DECA: Discrete Event inspired Cellular Automata for grain structure prediction in additive manufacturing.

Authors: Stump, Benjamin C. Plotkowski, Alex Nutaro, James

Source: Computational Materials Science. Mar2024, Vol. 237, pN.PAG-N.PAG. 1p.

Subjects: Cellular automata, Materials science, Thermocycling, Grain, Computational neuroscience

Diffusion, atomic transport, and ordering in Al-Zr alloys: FCC and liquid phases.

Authors: Osetskiy, Yuri Plotkowski, Alex Yang, Ying

Source: Acta Materialia. Nov2023, Vol. 260, pN.PAG-N.PAG. 1p.

Subjects: Face centered cubic structure, Kirkendall effect, Chemical processes, Computer simulation, Order picking systems, Acceleration (Mechanics)

The Use of Inverse Heat Conduction Models for Estimation of Transient Surface Heat Flux in Electroslag Remelting.

Authors: Plotkowski, Alex Krane, Matthew John M.

Source: Journal of Heat Transfer. Mar2015, Vol. 137 Issue 3, p1-9. 9p.

Subjects: Heat flux measurement, Heat conduction, Electroslag process, Real-time control, Transient analysis, Model validation, Mathematical models

Understanding solidification of near eutectic alloy using Cellular Automata (CA).

Authors: Roy, Indranil Rolchigo, Matt Coleman, John et al.

Source: Computational Materials Science; Mar2024, Vol. 236, pN.PAG-N.PAG, 1p

Microstructure and mechanical properties of hypoeutectic Al–6Ce–3Ni-0.7Fe (wt.%) alloy.

Authors: Wu, Tiffany Plotkowski, Alex Shyam, Amit et al.

Source: Materials Science & Engineering: A. Jun2023, Vol. 875, pN.PAG-N.PAG. 1p.

Subjects: Hypereutectic alloys, Eutectic alloys, Microstructure, Creep (Materials), High temperatures, Thermal stability, Alloys