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Manufacturing

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Displaying 1 - 25 of 2182

An Improved Robotic Workcell for Operational Technology (OT) Research

December 18, 2025
Author(s)
Timothy Zimmerman, Michael Pease, Michael Dawson
The National Institute of Standards and Technology (NIST) has constructed a discrete manufacturing workcell to support its operational technology (OT) and critical infrastructure research. This work is an improvement on the "Collaborative Robotics Testbed"

Twin-related grain boundary engineering of additively manufactured 316L stainless steel

December 1, 2025
Author(s)
Chenglu Tang, Jingfan Yang, Fan Zhang, Joseph Aroh, Ernest Porterfield, Barton Prorok, Xiaoyuan Lou
Twin-related grain boundary engineering (GBE) enhances the boundary-related degradation of materials, such as intergranular corrosion by incorporating a high density of twin boundaries. Conventional GBE typically requires one or multiple thermomechanical

REDUCING THE CYBERSECURITY RISKS OF PORTABLE STORAGE MEDIA IN OT ENVIRONMENTS

September 30, 2025
Author(s)
Michael Powell, Fenimore Philip, Stephanie Saravia
Though portable storage media are convenient, their unregulated use poses cybersecurity risks for organizations utilizing them in their OT environments. Procedural, physical, and technical controls are important because they can minimize the likelihood of

Reference Model for Electric Vehicle Battery Recovery in a Circular Economy

September 30, 2025
Author(s)
Matthew Triebe, Nehika Mathur, Ashley Hartwell, Katherine Morris
Electric vehicle batteries, which use a significant amount of critical materials, have the potential to be a reliable secondary source of those high-value materials at the end of their life to meet future needs. In this paper we present a reference model

Evaluation of Variations in Solution Annealing, Intercritical Annealing, and Aging Treatments on Cobalt-free Maraging Steels

September 22, 2025
Author(s)
Nicholas Derimow, Jake Benzing, Alec Saville, Cassidy Allen, Jordan Weaver, Nikolas Hrabe, Timothy Quinn, Timothy Weeks, Newell Moser, Chad Beamer, Christin Aumayr, Tilman Seifert, Michael Hirtler
This work is a compilation and summary of the quasi-static mechanical properties of a novel cobalt-free maraging steel, M789, that underwent a series of various heat treatments which included solution annealing, intercritical annealing, and aging

Advanced Characterization of the Cure Kinetics of a Liquid Encapsulant

June 26, 2025
Author(s)
Anthony Kotula, Ran Tao, Jianwei Tu, Young Lee, Gale Holmes
Liquid encapsulants are versatile packaging materials that provide electrical insulation and mechanical protection for microelectronic devices. As more advanced encapsulants are formulated to address modern packaging needs, advanced characterization

The trace of heat: on the predictive power of modeling transient diffusion

June 26, 2025
Author(s)
Vijaya Holla, Timothy Redford, Philipp Kopp, Stefan Kollmannsberger
The paper at hand evaluates the validity of the transient heat equation with phase change and temperature-dependent coefficients as a model to predict the evolution of melt pools for rapid turnaround scan strategies in a laser powder bed fusion (PBF-LB)

Residual stress-assisted static globularization in electron beam powder bed fusion Ti-6Al-4V from powder recovery and hot isostatic pressing

June 10, 2025
Author(s)
Nicholas Derimow, Thomas Berfield, Keenan Hanson, Jake Benzing, Nikolas Hrabe
The residual stresses from controlled powder recovery blasting on electron beam powder bed fusion (PBF-EB) Ti-6Al-4V were investigated via hole drilling, profilometry, and microscopy. After hot isostatic pressing, the near-surface lamellar the near-surface

China's Manufacturing Innovation Centers: A Benchmarking Report for the Manufacturing USA Network

May 5, 2025
Author(s)
Michael Molnar, Kelley Rogers, Frank Gayle, Susan Ipri-Brown, Mai Tran, Joseph Long, Clifton Ray, Albert Shih, Douglas Thomas
This review of China's Manufacturing Innovation Centers (MICs) describes the status of the country's flagship manufacturing innovation program. At least 33 MICs have been established to date, suggesting that China is within reach of its goal of 40 MICs by

Atomic layer deposition of Al2O3 to Ti-6Al-4V feedstock improves oxidation resistance and tensile strength in additively manufactured parts

April 30, 2025
Author(s)
Nicholas Derimow, Joseph Gauspohl, Alec Saville, Jake Benzing, Elisabeth Mansfield, Christopher Gump, Nikolas Hrabe
With the ever-increasing research and development into additive manufacturing (AM) via laser powder bed fusion (PBF-L) of Ti-6Al-4V alloy, there has been numerous efforts to introduce different coatings onto the metal powder feedstock in order to achieve

Acceleration-based spindle monitoring based on geometric error motions

April 3, 2025
Author(s)
Aaron Cornelius, Gregory Vogl, Ryan Hall, Yongzhi Qu
The development of intelligent machine tools requires integrating sensors that allow the machine to monitor, diagnose, and control the machining process. However, existing sensors for monitoring tool vibrations are intrusive and difficult to integrate in a

Laser Beam Metrology for AM-Bench 2022: Approaches, Results, and Lessons Learned

April 1, 2025
Author(s)
David Deisenroth, Jordan Weaver, Sergey Mekhontsev, Steven Grantham, Shawn P. Moylan
One of key parameters of additive manufacturing by laser powder bed fusion of metal parts (PBF-LB/M) is the power density distribution (PDD) of the process laser beam. This paper describes the methods used to measure the beam PDD, discussing well

Modulated Laser Thermal Interrogation (MLTI): A Novel In Situ Metal Powder Evaluation Technique for Laser Powder Bed Fusion

March 1, 2025
Author(s)
Sina Ghadi, Xiaobo Chen, Nicholas Tomasello, Nicholas Derimow, Srikanth Rangarajan, Guangwen Zhou, Scott Schiffres
Assessment of metal powders in powder bed additive manufacturing is crucial, as the quality of the powders significantly impacts the final printed parts. This study introduces a novel technique to characterize metal powders by analyzing changes in their
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