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Conferences

Dynamic Flow Stress Measurements for Machining Applications

Author(s)
Steven P. Mates, Eran Vax, Richard Rhorer, Michael B. Kennedy, Eric P. Whitenton, Stephen W. Banovic, Timothy J. Burns
Metals undergo a combination of rapid loading and rapid heating during normal and high speed machining processes. Constitutive models for these materials...

193 nm scatterfield microscope illumination optics

Author(s)
Martin Y. Sohn, Richard M. Silver
A scatterfield microscope for deep sub-wavelength semiconductor metrology using 193 nm light has been designed. In addition to accommodating the fixed numerical...

Cryocooled 10 V Programmable Josephson Voltage Standard

Author(s)
Alain Rufenacht, Logan A. Howe, Anna E. Fox, Robert E. Schwall, Paul D. Dresselhaus, Charles J. Burroughs, Samuel P. Benz
Improvements in fabrication and packaging of our 10 V Programmable Josephson Voltage Standard circuits have enabled the successful operation of these devices on...

Ignition of Mulch beds exposed to firebrand showers

Author(s)
Samuel Manzello, Sayaka Suzuki
Mulch is commonly found near buildings and is a useful surrogate to study various fuels that may be present near buildings. To this end, mulch beds were exposed...

Recent Work Leading Toward a New Evaluation of Neutron Standards

Author(s)
Allan D. Carlson, V G. Pronyaev, R. Capote, G M. Hale, F. J. Hambsch, T Kawano, S. Kunieda, W Mannhart, R O. Nelson, D. Neudecker, P Schillebeeckx, S Simakov, P Talou, X Tao, D. L. Smith, W Wang, A. Wallner
A number of national cross section libraries are planning new versions of their libraries including ENDF/B and JEFF. The first step in producing these new...

The Prehydration of Cement and Its Mitigation

Author(s)
Julyan Stoian, Tandre Oey, Jeffrey W. Bullard, Jian Huang, Aditya Kumar, Magdalena Balonis, Narayanan Neithalath, Gaurav Sant
Ordinary portland cement (OPC) prehydrates during storage or handling in moist environments, forming hydration products on or near its particles' surfaces...

High Performance Visualization in Science and Research

Author(s)
Tomasz P. Bednarz, John Taylor, Tony Huang, Wesley N. Griffin, Steven G. Satterfield, Judith E. Terrill, John G. Hagedorn
This work showcases four examples of scientific visualizations across various domains of research and science that were prepared at CSIRO in Australia, and NIST...

International Comparisons of Network Time Protocol Servers

Author(s)
Michael A. Lombardi, Judah Levine, Jose M. Lopez, Francisco Jimenez, John Bernard, Marina Gertsvolf, Harold Sanchez, Oscar G. Fallas, Liz C. Hernandez Ferero, Ricardo de Carvalho, Mario Fittipaldi, Raul Solis, Franklin Espejo
This paper describes a recently designed system that measures the time transmitted by network time protocol (NTP) servers located in North, Central, and South...

In-situ Temperature Calibration Capability for Dimensional Metrology

Author(s)
Prem K. Rachakonda, Daniel S. Sawyer, Balasubramanian Muralikrishnan, Christopher J. Blackburn, Craig M. Shakarji, Gregory F. Strouse, Steven D. Phillips
The Dimensional Metrology Group (DMG) at the National Institute of Standards and Technology (NIST) has the capability to perform large range dimensional...

POINT REMOVAL FOR FITTING SPHERES TO 3-D LASER SCANNER DATA

Author(s)
Katharine M. Shilling, Balasubramanian Muralikrishnan, Daniel S. Sawyer
The proliferation of laser scanners in a number of industries such as the metrology of large artifacts, digitization and reverse engineering, historical...
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