Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Conferences

Roles and Responsibilities of NIST in the Development of Documentary Standards

July 27, 2018

Author(s)

Prem K. Rachakonda, Balasubramanian Muralikrishnan, Daniel S. Sawyer

The National Institute of Standards and Technology (NIST) is a non-regulatory federal agency of the Department of Commerce and is the national metrology

Complementary Use of Optical Metrology and X-Ray Computed Tomography for Surface Finish and Defect Detection in Laser Powder Bed Fusion Additive Manufacturing

July 25, 2018

Author(s)

Jason C. Fox, Felix H. Kim, Zachary C. Reese, Christopher Evans

The development of additive manufacturing (AM) has allowed for production of high-value and complex parts that reduce time-to-market and cost to manufacture. A

Evolution of Cooling Length in Parts Created Through Laser Powder Bed Fusion Additive Manufacturing

July 25, 2018

Author(s)

Zachary C. Reese, Jason C. Fox, John Taylor, Christopher Evans

Additive manufactured (AM) components, specifically those created through laser powder bed fusion (LPBF) methods, exhibit an abundance of surface textures of

Effect of Subsurface Defects on the Surface Topography of Additive Manufactured Components

July 25, 2018

Author(s)

Zachary C. Reese, Jason C. Fox, Felix H. Kim, John Taylor, Christopher Evans

Additive manufactured (AM) components exhibit an abundance of surface textures and patterns. Past work investigating components created through laser powder bed

Measurement of Thermal Processing Variability in Powder Bed Fusion

July 24, 2018

Author(s)

Jarred C. Heigel, Eric P. Whitenton

Laser powder bed fusion (LPBF) is an additive manufacturing (AM) technology used to manufacture high-value metal parts. The layer-by-layer nature of the process

Randomness Classes in Bugs Framework (BF): True-Random Number Bugs (TRN) and Pseudo-Random Number Bugs (PRN)

July 22, 2018

Author(s)

Irena Bojanova, Yaacov Yesha, Paul E. Black

Random number generators may have weaknesses (bugs) and the applications using them may become vulnerable to attacks. Formalization of randomness bugs would

Evaluation of Formaldehyde Reference Material for Chamber Emission Testing

July 22, 2018

Author(s)

Dustin G. Poppendieck, Na Li, Wenhao Chen

Formaldehyde reference materials are being developed by the National Institute of Standards and Technology (NIST) for use in regulatory emission testing

Simmering Sauces! Elevated Formaldehyde Concentrations from Gas Stove Burners

July 22, 2018

Author(s)

Dustin G. Poppendieck, Mengyan Gong

Formaldehyde is listed as a human carcinogen, and can be formed as a primary by-product during combustion processes. Past studies have not detected elevated

Robust Safety for Autonomous Vehicles through Reconfigurable Networking

July 18, 2018

Author(s)

Khalid Halba, Charif Mahmoudi, Edward R. Griffor

Autonomous vehicles bring the promise of enhancing the consumers experience in terms of comfort and convenience and, in particular, the safety of the autonomous

MathTools: An Open API for Convenient MathML Handling

July 18, 2018

Author(s)

Howard S. Cohl, Andre Greiner Petter, Moritz Schubotz, Bela Gipp

Mathematical formulae carry complex and essential semantic in- formation in a variety of formats. Accessing this information with different sys- tems requires a

Automated Symbolic and Numerical Testing of DLMF Formulae using Computer Algebra Systems

July 18, 2018

Author(s)

Howard S. Cohl, Moritz Schubotz, Andre Greiner Petter

We have developed an automated procedure for symbolic and numerical testing of formu- lae extracted from the NIST Digital Library of Mathematical Functions

Frequency -and electric field-dependent physical model of ferroelectric materials in the 10s of GHz

July 16, 2018

Author(s)

Eric J. Marksz, Christian J. Long, James C. Booth, Ichiro Takeicjo, Nathan D. Orloff

Ferroelectric materials are attractive for tunable components because their permittivity can be controlled by an applied electric field. The permittivity of

THREE APPROACHES TO QUANTIFICATION OF NDE UNCERTAINTY AND A DETAILED EXPOSITION OF THE EXPERT PANEL APPROACH USING THE SHEFFIELD ELICITATION FRAMEWORK

July 15, 2018

Author(s)

Jeffrey T. Fong, Nathanael A. Heckert, James J. Filliben, Steven R. Doctor

The ASME Boiler & Pressure Vessel Code Section XI Committee is currently developing a new Division 2 nuclear code entitled the "Reliability and Integrity

User Context: An Explanatory Variable in Phishing Susceptibility

July 15, 2018

Author(s)

Kristen K. Greene, Michelle P. Steves, Mary Theofanos, Jennifer A. Kostick

Extensive research has been performed to examine the effectiveness of phishing defenses, but much of this research was performed in laboratory settings. In

RFC: DLMF Content Dictionaries

July 12, 2018

Author(s)

Bruce R. Miller

This note presents a proposed set of (virtual) OpenMath Content Dictionaries to characterize the mathematical special functions as used in the Digital Library

System Lifecycle Handler -- Spinning a Digital Thread for Manufacturing

July 11, 2018

Author(s)

Manas Bajaj, Thomas D. Hedberg Jr.

Transforming the manufacturing economy from paper-based information flows to a seamless digital thread across geographically distributed supply chains has the

An Empirical Model for Refrigerant Flammability Based on Molecular Structure and Thermodynamics

July 11, 2018

Author(s)

Gregory T. Linteris, Ian Bell, Mark O. McLinden

Screening methods for refrigerant blend flammability from metrics that can be easily calculated are of great interest to the refrigerant industry. Existing

Numerically-Predicted Burning Velocities of C1 and C2 Hydrofluorocarbon Refrigerant Flames with Air

July 11, 2018

Author(s)

Gregory T. Linteris, Valeri I. Babushok

Due to their high global warming potentials, many existing working fluids for heating, cooling and refrigeration equipment are being phased out. Their

Assessing the Impact on Business Processes by Interconnecting Attack Graphs and Entity Dependency Graphs

July 10, 2018

Author(s)

Chen Cao, Lunpin Yuan, Anoop Singhal, Peng Liu, Xiaoyan Sun, S Zhu

In a business-process-support enterprise network, cyber defense and cyber resilience usually become ineffective and even fail in defeating cyberattacks. One of

Modeling and Mitigating the Insider Threat of Remote Administrators in Clouds

July 10, 2018

Author(s)

Nawaf Alhebaishi, Lingyu Wang, Sushil Jajodia, Anoop Singhal

As today's cloud providers strive to attract customers with better services and less downtime in a highly competitive market, they increasingly rely on remote

Transport of NIST Graphene Quantized Hall Devices and Comparison with AIST Gallium-Arsenide Quantized Hall Devices

July 9, 2018

Author(s)

Dean G. Jarrett, Takehiko Oe, Randolph E. Elmquist, Nobu Kaneko, Albert F. Rigosi, Bi Y. Wu, Hsin Y. Lee, Yanfei Yang

We report the results of a pilot study where two graphene quantized Hall resistance (QHR) devices made at the National Institute of Standards and Technology

10 T? and 100 T? Resistance Comparison between NIST and AIST

July 9, 2018

Author(s)

Dean G. Jarrett, Takehiko Oe, Nobu Kaneko, Shamith U. Payagala

We report the results of a comparison of 10 TΩ and 100 TΩ high resistance standards between the National Institute of Standards and Technology (NIST) and the

Epitaxial Graphene p-n Junctions

July 9, 2018

Author(s)

Jiuning Hu, Mattias Kruskopf, Yanfei Yang, Bi Y. Wu, Jifa Tian, Alireza R. Panna, Albert F. Rigosi, Hsin Y. Lee, George R. Jones Jr., Marlin E. Kraft, Dean G. Jarrett, Kenji Watanabe, Takashi Taniguchi, Randolph E. Elmquist, David B. Newell

We report the fabrication and measurement of top gated epitaxial graphene p-n junctions where exfoliated hexgonal boron nitride (hBN) is used as the gate

Epitaxial Graphene for High-Current QHE Resistance Standards

July 9, 2018

Author(s)

Mattias Kruskopf, Jiuning Hu, Bi Y. Wu, Yanfei Yang, Hsin Y. Lee, Albert F. Rigosi, David B. Newell, Randolph E. Elmquist

We report the growth of large-area monolayer graphene on the centimeter scale using an optimized growth process allowing for reproducibility and morphology

Evaluation of binary and ternary refrigerant blends as replacements for R134a in an air-conditioning system

July 9, 2018

Author(s)

Ian H. Bell, Piotr A. Domanski, Gregory T. Linteris, Mark O. McLinden

We investigate refrigerant blends as possible low-GWP (global warming potential) alternatives for R134a in an air-conditioning application. We carried out an

Uncertainty Analysis of Experimental Air Conditioner Performance due to the Uncertainty of the Equation of State

July 9, 2018

Author(s)

Ian H. Bell, Jerome Frutiger, Howard Cheung, Jens Abildskov, Gurkan Sin, Shengwei Wang

In previous literature, the uncertainty analyses of experimental results of air conditioners usually ignored the uncertainty due to the equation of state (EoS)

Interoperability Testbed for Smart Sensors in Smart Grids

July 9, 2018

Author(s)

Yuyin Song, Gerald J. FitzPatrick, Kang B. Lee, Avi M. Gopstein, Paul A. Boynton

Interoperability testing provides a means for achieving and assuring smart sensor data interoperability. Interoperability testbeds can provide the technical

Towards Efficient Offloading in Fog/Edge Computing by Approximating Effect of Externalities

July 9, 2018

Author(s)

Vladimir V. Marbukh

Fog/Edge computing is an emerging architecture, which extends the Cloud computing paradigm to the edge of the network, enabling new applications and services

Economics of Networked Infrastructures at the Edge of Undesirable Contagion: A Case of SIS Infection

July 9, 2018

Author(s)

Vladimir V. Marbukh

This paper reports on managing systemic risk of undesirable contagion in a networked system in a practically important case of high losses due to contagion. In

A Table-Top Graphene Quantized Hall Standard

July 8, 2018

Author(s)

Albert F. Rigosi, Alireza R. Panna, Shamith U. Payagala, George R. Jones Jr., Marlin E. Kraft, Mattias Kruskopf, Bi Y. Wu, Hsin Y. Lee, Yanfei Yang, Dean G. Jarrett, Randolph E. Elmquist, David B. Newell

We report the performance of a quantum standard based on epitaxial graphene maintained in a 5 T table-top cryocooler system. The ν = 2 resistance plateau, with

Was this page helpful?