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Search Publications

NIST Authors in Bold

Displaying 1826 - 1850 of 73697

Evaluation of Formation Enthalpies of C3 and C4 Brominated Hydrocarbons: Bringing Together Classical Thermodynamics, Modern Mass-Spectroscopy, and High-Level Ab Initio Calculations

February 7, 2024
Author(s)
Eugene Paulechka, Andrei F. Kazakov
The enthalpies of formation of brominated C3–C4 hydrocarbons were critically evaluated using experimental data sources ranging from classical thermodynamics methods to modern high-precision mass spectrometry and reported in a time span of a century. The

Human-in-the-loop for Bayesian autonomous materials phase mapping

February 7, 2024
Author(s)
Felix Adams, Austin McDannald, Ichrio Takeuchi, A. Gilad Kusne
Autonomous experimentation achieves user objectives more efficiently than Edisonian studies by combining machine learning and laboratory automation to iteratively select and perform experiments. Integrating knowledge from theory, simulations, literature

NIST Research Data Framework (RDaF): Version 2.0

February 7, 2024
Author(s)
Robert Hanisch, Debra L. Kaiser, Alda Yuan, Andrea Medina-Smith, Bonnie C Carroll, Eva Campo
The NIST Research Data Framework (RDaF) is a multifaceted and customizable tool that aims to help shape the future of open data access and research data management (RDM). The RDaF will allow organizations and individual researchers to develop their own RDM

A Risk-Averse Stochastic Optimization Model for Community Resilience Planning

February 6, 2024
Author(s)
Tasnim Ibn Faiz, Kenneth Harrison
Community resilience planning is challenging as it involves several large-scale systems with interdependency, populations with diverse socio-economic characteristics, and numerous stakeholders. This study introduces a new optimization model to decrease a

Small-Pore Hydridic Frameworks Store Densely Packed Hydrogen

February 6, 2024
Author(s)
Hyunchul Oh, Nikolay Tumanov, Voraksmy Ban, Xiao Li, Bo Richter, Matthew Hudson, Craig Brown, Gail Iles, Dirk Wallacher, Scott Jorgensen, Luke Daemen, Rafael Balderas-Xicohtencatl, Yongqiang Cheng, Anibal Ramirez-Cuesta, Michael Heere, Sergio Posada-Perez, Geoffroy Hautier, Michael Hirscher, T. Jensen, Yaroslav Filinchuk
Nanoporous materials have attracted great attention for gas storage, but achieving high volumetric storage capacity remains a challenge. Here, by using neutron powder diffraction, volumetric gas adsorption, inelastic neutron scattering and first-principles

A Characterization of OFDMA Uplink Activation for Industrial Applications

February 5, 2024
Author(s)
Karl Montgomery, Rick Candell
This report serves to determine how Orthogonal Frequency Division Multiple Access (OFDMA) is triggered in commercial IEEE 802.11ax (Wi-Fi 6) access points for industrial application scenarios. It presents an overview of OFDMA and how it works in IEEE 802

Combinatorial testing for building reliable systems

February 5, 2024
Author(s)
M S Raunak, D. Richard Kuhn, Raghu N. Kacker, Yu Lei
Combinatorial testing is an approach where test suites are developed by efficiently covering interactions of parameter values and configuration settings. Multiple studies over the years have shown the interesting phenomenon where almost all defects in a

Phase Composition and Phase Transformation of Additively Manufactured Nickel Alloy 718 AM Bench Artifacts

February 5, 2024
Author(s)
Fan Zhang, Aaron Johnston-Peck, Lyle E. Levine, Michael Katz, Kil-Won Moon, Maureen E. Williams, Sandra W. Young, Andrew J. Allen, Olaf Borkiewicz, Jan Ilavsky
Additive Manufacturing (AM) technologies offer unprecedented design flexibility but are limited by a lack of understanding of the material microstructure formed under their extreme and transient processing conditions and its subsequent transformation

Evidence for contributions of lack-of-fusion defects and dislocations to acoustic nonlinearity and loss in additively manufactured aluminum

February 2, 2024
Author(s)
Ward L. Johnson, Paul R. Heyliger, Jake Benzing, Orion Kafka, Newell Moser, Derek Harris, Jeremy Iten, Nik Hrabe
Resonant acoustic nonlinearity and loss have previously been found to be correlated with porosity in additively manufactured (AM) commercially pure aluminum and stainless steel, and this effect offers a potential basis for rapid nondestructive

Recommendation for Key Derivation Using Pseudorandom Functions

February 2, 2024
Author(s)
Lily Chen
This Recommendation specifies techniques for the derivation of additional keying material from a secret key—either established through a key-establishment scheme or shared through some other manner—using pseudorandom functions: HMAC, CMAC, and KMAC.

Toward pluripotent materials through tempering of dynamic covalent polymer networks

February 2, 2024
Author(s)
Anthony Kotula, Nicholas Boynton, Joseph Dennis, Neil Dolinski, Charlie Lindberg, Garrett Grocke, Stephanie Vivod, Shrayesh Patel, Stuart Rowan
Pluripotency is defined as a system not fixed as to its developmental potentialities. While stem cells and pluripotent materials have heretofore been synonymous, a synthetic analog would lead to significant advancements in materials design for resource

Ability to simulate laser absorption and melt pool dynamics in solid aluminum: results and insights from the 2022 asynchronous AM-Bench challenge

February 1, 2024
Author(s)
Brian Simonds, Jack Tanner, Alexandra Artusio-Glimpse, Niranjan Parab, Cang Zhao, Tao Sun, Paul A. Williams
The 2022 Asynchronous AM-Bench challenge was designed to test the ability of simulations to accurately predict laser power absorption as well as various melt pool behaviors (width, depth, and solidification) during laser melting of solid metal during

Compartment fires: challenges for fire modeling as a tool for safe design

February 1, 2024
Author(s)
Tarek Beji, Talal Fateh, Jason Floyd, hugues Pretrel, Anthony Hamins
The use of fire models to support fire protection engineering decisions requires an understanding of model shortcomings and assurance in their predictive robustness. This note is a summary of the online 'compartment fire' workshop that was organized prior

Cybersecurity Framework Election Infrastructure Profile

February 1, 2024
Author(s)
Gema Howell, Mary C. Brady, Julie Snyder, David Weitzel, M. Schneider, Christina Sames, Joshua Franklin
This document is a Cybersecurity Framework Profile developed for voting equipment and information systems supporting elections. This Election Infrastructure Profile can be utilized by election administrators and IT professionals managing election

Data Requirements for a Digital Twin of a Robot Workcell

February 1, 2024
Author(s)
Deogratias Kibira, Guodong Shao
The applications of digital twins continue to grow with the volume and variety of data collected. These data support the modeling of function, behavior, and structure of a physical element. However, successfully building a digital twin requires data
Displaying 1826 - 1850 of 73697
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