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Search Publications

NIST Authors in Bold

Displaying 6001 - 6025 of 13218

Computer Simulations of Binder Removal From 2-D and 3-D Model Particulate Bodies.

January 1, 1996
Author(s)
Michael A. Galler, Dale P. Bentz, J A. Lewis
… particles with varying diameters were randomly placed in such systems, and all unoccupied pixels were assigned to … transport processes, i.e., plasticizer diffusion in the binder-filled pore network and capillary-driven … comparison, simulations were also carried out on systems in which binder redistribution was not permitted. In such …

Compositional Analysis of Beneficiated Fly Ashes.

May 1, 1995
Author(s)
Paul E. Stutzman, R L. Centeno
… the material properties of mineral admixtures will help in providing a better understanding of the factors that control their performance in concrete. This study, a part of an effort by that includes … sized fractions of fly ashes produced by burning coal in different boilers were examined by scanning electron …

Experiments to Test the A-UGV Capabilities Standard

December 8, 2021
Author(s)
Soocheol Yoon, Roger V. Bostelman, Ann Virts
… that test the new standard where one case demonstrated in a complex dual-vehicles test, several capabilities as written in the standard. Alternatively, two cases demonstrated … through experiments that A-UGV capabilities as written in the standard may need improvements and as such, the paper …

Porous Zero-Mode Waveguides for Picogram-Level DNA Capture

February 13, 2019
Author(s)
Vivek Jadhav, David Hoogerheide, Jonas Korlach, Meni Wanunu
… DNA sequencing. Despite these key advantages, manufacturing of large arrays is not practical due to the … up the process, greatly reducing the cost and effort of manufacturing. Further, the porous zero-mode waveguides can …

Environmental KPI Selection Using Criteria Value and Demonstration

September 7, 2017
Author(s)
Shaw C. Feng, Deogratias Kibira
… key performance indicators (KPI) is a first step in achieving environmen-tal sustainability of manufacturing operations. KPI selection is a multi-criteria … a numerical value indicating the effectiveness of a KPI in satisfying each criterion. However, linking selection …

FACTS: A Framework for Analysis, Comparison, and Test of Standards

May 9, 2013
Author(s)
Paul W. Witherell, Sudarsan Rachuri, Anantha Narayanan Narayanan, Jae H. Lee
… Open and consensus standards play a critical role in enabling globally distributed manufacturing. A close connection between standards … approach for standards development and implementation. In this paper, we explain FACTS and analyze standards with …

NON-CONTACT DIMENSIONAL MEASUREMENTS OF BIPOLAR FUEL CELL PLATES

November 15, 2011
Author(s)
Balasubramanian Muralikrishnan, Wei Ren, Dennis S. Everett, Eric S. Stanfield, Theodore D. Doiron
… critical to the eventual rapid manufacture by supporting in-process measurement and control. This need has been … the use of non-contact systems that can be adapted towards in-process and 100% part measurement. Towards this end, we … probes. Our system utilizes two probes tilted in opposing directions so that each probe can detect one side …

PRODUCT DATA EXCHANGE: The PDES Project--Status and Objectives

January 1, 1989
Author(s)
Bradford Smith
… using an increasingly larger number of computing systems in all phases of design, analysis, manufacture, test and long … a digital product model, and elements of information in the product model that describe the product are called …

The Advances of Computer-Aided Process Planning

January 1, 1983
Author(s)
Tommy Chang
… Process planning is a vital function in manufacturing. It provides instructions on how to make a … systems (both variant and generative types) are discussed in greater detail. The report also discusses pros and cons of …

Form of Deprotection in Chemically Amplified Resists

September 1, 2003
Author(s)
Ronald L. Jones, T J. Hu, Vivek M. Prabhu, Christopher L. Soles, Eric K. Lin, Wen-Li Wu, D L. Goldfarb, M Angelopoulos
… chemically amplified resists, image quality is controlled in part by the diffusion and reaction of small molecule … CHARACTERIZATION AND METROLOGY FOR ULSI TECHNOLOGY: 2003 International Conference on Characterization and Metrology for ULSI Technology … Form of Deprotection in Chemically Amplified Resists …

Ground Truth and Benchmarks for Performance Evaluation

September 1, 2003
Author(s)
A Takeucki, Michael O. Shneier, Tsai H. Hong, Tommy Chang, Christopher J. Scrapper Jr, Geraldine Cheok
… Unmanned Ground Vehicle Technology | 5th | Unmanned Ground Vehicle Technology V | SPIE …

Design and Performance of Capping Layers for EUV Multilayer Mirrors

June 1, 2003
Author(s)
Sasa Bajt, H N. Chapman, Nhan Nguyen, J Alameda, J C. Robinson, M Malinowski, E Gullikson, Andrew Aquila, Charles Tarrio, Steven Grantham
… coatings for extreme ultraviolet lithography (EUVL) in a commercial tool environment is of utmost importance to … maintenance cost. We have made substantial progress in designing the protective capping layer coatings, …

Appendix F: Software Security in Supply Chains

October 31, 2024
Author(s)
Jon Boyens
… software and services for agencies' information technology (IT), Cybersecurity Supply Chain Risk Management … Office, acquisition/procurement, and other functions in response to Section 4(c) and 4(d) of Executive Order (EO) … chain risk management, information and communication technology, risk management, supplier, supply chain, supply …

SOFTWARE SECURITY IN THE BROADER SUPPLY CHAIN: EO 14028, Section 4(d)

May 5, 2022
Author(s)
Jon Boyens
… software and services for agencies' information technology (IT), Cybersecurity Supply Chain Risk Management … Office, acquisition/procurement, and other functions in response to Section 4(c) and 4(d) of Executive Order (EO) … chain risk management, information and communication technology, risk management, supplier, supply chain, supply …

Personal Identity Verification (PIV) of Federal Employees and Contractors

February 1, 2005
Author(s)
William Barker, James F. Dray Jr., Ramaswamy Chandramouli, Teresa T. Schwarzhoff, William Polk, Donna F. Dodson, Ketan Mehta, S Gupta, William E. Burr, Timothy Grance, National Institute of Standards and Technology (NIST)
… , Timothy Grance , National Institute of Standards and Technology (NIST) …

A Novel Methodology for Incipient Ball Screw Backlash Measurement Using Capacitive Sensor

February 25, 2025
Author(s)
Marcella Miller, Xu Han, Gregory Vogl, Anita Penkova, Xiaodong Jia
… to monitor the developing trend of incipient backlash in a ball screw assembly using a capacitive sensor. The … suggested method for measuring backlash is non-contact and in-situ, providing direct evidence of ball screw degradation. … for backlash measurement. The method is validated in a run-to-failure experiment, and the results indicate a …

Segmentation and Characterization of Surface Features to Aid Computational Modelling of Nickel Superalloy 625 As-Built Laser Powder Bed Fusion Parts

July 11, 2022
Author(s)
Jason Fox, Christopher Evans
… surface topography along with significant variability in builds when compared to traditional fabrication methods. … available dataset of nickel superalloy 625 surfaces built in a laser powder bed fusion system are analyzed. Advanced … Additive manufacturing, laser powder bed fusion, surface metrology, …

A Black-Box Non-Invasive Characterization Method for Industrial Wireless Networks

March 18, 2019
Author(s)
Mohamed Hany, Rick Candell, Kang B. Lee
… of processes that had once been economically problematic. In brown fields, distances and costs for installation often … include supervisory and feedback control. Feedback control in particular requires certain reliability, latency, and … to translate link performance to system performance. In this paper, we propose a more useful method to …

Patterns for modeling operational control of discrete event logistics systems (DELS)

March 24, 2017
Author(s)
Timothy A. Sprock
… at the operational management level of DELS control. In this paper, we propose a set of patterns for modeling the … question, as well as a mapping of the decision variable in that problem to a particular function and execution mechanism in the base system. … System Design Methods, Smart Manufacturing, Discrete Event Logistics Systems …
Displaying 6001 - 6025 of 13218
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