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NIST Authors in Bold

Displaying 2826 - 2850 of 13215

Robotic Grasping and Manipulation Competition: Future Tasks to Support the Development of Assembly Robotics

July 15, 2018
Author(s)
Karl Van Wyk, Joseph A. Falco, Elena R. Messina
… Conference on Intelligent Robots and Systems (IROS) in Daejeon, South Korea was sponsored by The IEEE Robotic and … [1]. Being the first of a planned series of competitions in the area of grasping and manipulation, this competition is … methods to assess how well a robot system performs in a particular application space. We present a strategy for …

Thermal Performance Evaluation of a Small Duct High Velocity System Using NIST's Net-Zero Energy Residential Test Facility

August 7, 2018
Author(s)
Khiem Nguyen, Hyojin Kim, Lisa Ng, William V. Payne
… on the campus of the National Institute of Standards and Technology (NIST). The NZERTF is a single-family home but is … systems were alternately operated every other week in order to allow a comparison between the two under similar … airflow rates from the SDHV during the heating season in this low-load house; and extremely tight throttling range …

Strategies for Achieving Measurement Assurance for Cell Therapy Products

June 1, 2016
Author(s)
Carl G. Simon Jr., Anne L. Plant, Sumona Sarkar, John T. Elliott, Sheng Lin-Gibson
… support informed decision making during their development, manufacturing, and regulation. These products, the materials involved in their production and the methods for characterizing them … A workshop held at the National Institute of Standards and Technology examined measurement assurance strategies for cell …

Neutron Imaging of Laser Melted SS316 Test Objects with Spatially Resolved Small Angle Neutron Scattering

April 21, 2021
Author(s)
Daniel S. Hussey, Adam J. Brooks, Caroline G. Lowery, Gerald L. Knapp, Bridget E. Cadigan, Shengmin Guo, Leslie G. Butler
… is explored for sub-micron porosity detection in laser sintered SS316 test objects. The results shown are … tomography at various autocorrelation lengths, x. In this preliminary work, the beam-defining slits were … the role of neutron far field interferometry in additive manufacturing to assess sub-micron porosity. …

Performance Evaluation and Metrics for Perception in Intelligent Manufacturing

December 31, 2009
Author(s)
Roger D. Eastman, Tsai H. Hong, Jane Shi, Tobias Hanning, Bala Muralikrishnan, S. S. Young, Tommy Chang
… on "Performance Metrics for Perception in Intelligent Manufacturing," held August 20, 2008, brought together … Evaluation and Metrics for Perception in Intelligent Manufacturing …

Towards Understanding Early Failures Behavior during Device Burn-In: Broadband RF Monitoring of Atomistic Changes in Materials

August 18, 2016
Author(s)
Yaw S. Obeng, Chukwudi A. Okoro, Papa K. Amoah, Victor H. Vartanian
… In this paper, we attempt to understand the physico-chemical changes that occur in devices during device “burn-in”. We discuss the use of low frequency dielectric … ECS Journal of Solid State Science and Technology … changes, low-frequency, dielectric spectroscopy, burn-in, reliability, TSV …

RTP Calibration Wafer Using Thin-Film Thermocouples

April 1, 1998
Author(s)
Kenneth G. Kreider, D P. DeWitt, Benjamin K. Tsai, Francis J. Lovas, David W. Allen
… Rapid thermal processing (RTP) is a key technology for the cluster tool, single wafer manufacturing approach that is used to produce integrated … uniformity have hindered the widespread use of RTP in semiconductor device manufacturing. The current technology …

Discover STEM Education Resources

March 6, 2024
Author(s)
Cara O'Malley, Elizabeth Benham
… The National Institute of Standards & Technology (NIST) invites educators to discover STEM … laboratory focused on measurement science, standards, & technology. NIST work touches every STEM area, including the … Science, technology, education, educators, standards, engineer, teach, …

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

April 10, 2024
Author(s)
Nicholas Derimow, Madelyn Madrigal-Camacho, Orion Kafka, Jake Benzing, Edward Garboczi, Samuel J. Clark, Suveen Mathaudhu, Nik Hrabe
… Titanium alloy (Ti-6Al-4V) is widely used in additive manufacturing (AM) industry. However, as laser powder-bed … imaging was carried out on a Ti-6Al-4V powder layer held in a custom device designed to mimic single-track scans of … Additive Manufacturing, Ti-6Al-4V, X-ray synchrotron imaging, …

How Austenitic is a Martensitic Steel Produced by Laser Powder Bed Fusion? A Cautionary Tale

December 2, 2021
Author(s)
Fan Zhang, Mark R. Stoudt, Souzan Hammadi, Carelyn E. Campbell, Eric A. Lass, Maureen E. Williams
… such as heat treatment or mechanical deformation. Additive manufacturing (AM) of metals, due to the intrinsic … induced phase transformation. Using commonly available in-house X-ray diffraction (XRD) and electron backscatter … on the austenite phase fractions of as-built AM 17-4 in literature, from ≈ 100 % martensite to ≈ 100 % austenite. …

Issues in Evaluating Face Recognition Algorithms

June 22, 1998
Author(s)
P J. Phillips, R. McCabe, R Chellappa
… and verification systems are poised to become a key technology, with applications including controlling access to … buildings and computers, reducing fraudulent transactions in electronic commerce, and discouraging illegal immigration. … image-based biometrics that are being actively considered. In image-based biometrics, the biometric signature is …

TREC: An Overview

February 17, 2006
Author(s)
Donna K. Harman, Ellen M. Voorhees
… necessary for large-scale evaluation of text retrieval technology. Participants in the workshops (over 100 groups in the latest TREC) have … doubled; and many commercial retrieval systems now contain technology first developed in TREC. This chapter chronicles …

Multi-Relationship Evaluation Design: Formalizing Evaluation Design Input and Output Blueprint Elements for Testing Developing Intelligent Systems

October 5, 2011
Author(s)
Brian A. Weiss, Linda C. Schmidt
… Testing these technologies is crucial to (1) inform the technology developers of specific aspects for enhancement, … end-user feedback, and (3) verify the degree of the technology's capabilities. Test exercises provide valuable … Evaluation designers have exerted substantial effort in creating methodologies to streamline the test plan …

Flammable Refrigerant Safety

April 22, 2020
Author(s)
Gregory Linteris, Peter Sunderland
… Most refrigerants currently in use have relatively high Global Warming Potential (GWP). … are highly toxic. This Topical Section of Science and Technology for the Built Environment consists of four … Science and Technology for the Built Environment …

Water Absorption in Internally Cured Mortar Made with Water-Filled Lightweight Aggregate

October 1, 2009
Author(s)
Ryan Henkensiefken, Javier Castro, Dale P. Bentz, Tommy Nantung, Jason Weiss
… The increased propensity for shrinkage cracking in low w/c concrete has spawned the development of new … Building technology, interfacial transition zone, internal curing, … Water Absorption in Internally Cured Mortar Made with Water-Filled Lightweight …

Ultraviolet Chambers Based on Integrating Spheres for Use In Artificial Weathering

November 1, 2001
Author(s)
Joannie W. Chin, E Byrd, N Embree, Jonathan W. Martin, J D. Tate
… composites. Although numerous improvements have been made in the design of UV chambers over the last 80 years, the … and repeatability is attributed to systematic errors in their design, operation, and control which prevent direct … innovative UV chamber design based on integrating sphere technology that greatly reduces the magnitude of these …

Promoting Quality in Laboratory Testing

March 1, 2002
Author(s)
J H. Pielert
… BFRL is part of the National Institute of Standards and Technology (NIST). CCRL was originally established at NIST (formerly NBS) in 1929 as the Cement Reference Laboratory with the goal of … to U.S. government projects. its name was changed to CCRL in 1965 after its scope was expanded to include portland …
Displaying 2826 - 2850 of 13215
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