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Search Publications

NIST Authors in Bold

Displaying 11076 - 11100 of 73697

Fundamentals and characterizations of scratch resistance on automotive clearcoats

September 11, 2018
Author(s)
Li Piin Sung, Linqian Feng, Nadia Benhamida, Pierre Morel, Andrew T. Detwiler, Jon M. Skelly, Leslie T. Baker, Deepanjan Bhattacharya
As original equipment manufacturers (OEMs) strive to deliver improved coating performance with a sustainable footprint, opportunities for innovation are emerging, particularly on improving mechanical properties, appearance, and solids content. Resistance

Quantification of Carbon Nanotube Liquid Crystal Morphology via Neutron Scattering

September 11, 2018
Author(s)
Francesca Mirri, Rana N. Ashkar, Vida Jamali, Lucy Liberman, Robert A. Pinnick, Paul van der Schoot, Yeshayahu Talmon, Paul Butler, Matteo Pasquali
Liquid phase assembly is among the most industrially attractive routes for scalable carbon nanotube (CNT) processing. Chlorosulfonic acid (CSA) was found to be an ideal solvent for CNTs, spontaneously dissolving them without compromising their properties

Scaling Behavior of Anisotropy Relaxation in Deformed Polymers

September 11, 2018
Author(s)
Christopher N. Lam, Wen-Sheng Xu, Wei-Ren Chen, Zhe Wang, Christopher B. Stanley, Jan-Michael Y. Carrillo, David Uhrig, Weiyu Wang, Kunlun Hong, Yun Liu, Lionel Porcar, Changwoo Do, Gregory S. Smith, Bobby G. Sumpter, Yangyang Wang
Drawing an analogy to the paradigm of quasi-elastic neutron scattering, we present a general approach for quantitatively investigating the spatiotemporal dependence of structural anisotropy relaxation in deformed polymers by using small-angle neutron

Flow-induced crystallization during materials extrusion additive manufacturing

September 10, 2018
Author(s)
Lily Northcutt, Sara Orski, Kalman D. Migler, Anthony Kotula
Material extrusion additive manufacturing processes force molten polymer through a printer nozzle at high (> 100 s-1) wall shear rates prior to cooling and crystallization. These high shear rates can lead to flow-induced crystallization in common polymer

Structures Ignited by Virginia WUI Fires 2/2015 - 2/2017

September 10, 2018
Author(s)
David D. Evans, Lavern R. Scott, William D. Walton
This report documents twenty-one structures that were ignited or significantly damaged by burning wildland vegetation in Virginia over a two-year period starting in 2015. The structures included all of those that would have been lost except for the

Transitioning to the Security Content Automation Protocol (SCAP) Version 2

September 10, 2018
Author(s)
David A. Waltermire, Jessica Fitzgerald-McKay
The Security Content Automation Protocol (SCAP) version 2 (v2) automates endpoint posture information collection and the incorporation of that information into network defense capabilities using standardized protocols. SCAP v2 expands the endpoint types

Evaluation of Lateral Resolution of Light Field Cameras

September 8, 2018
Author(s)
Sowon Joy Yoon, Peter Bajcsy, Maritoni A. Litorja, James J. Filliben
Light field cameras are an emerging imaging device for acquiring 3-D information of a scene by capturing a field of light rays traveling in space. As light field cameras become portable, hand- held, and affordable, their potential as a 3-D measurement

MEMS non-absorbing electromagnetic power sensor employing the effect of radiation pressure

September 8, 2018
Author(s)
Ivan Ryger, Aly Artusio-Glimpse, Paul A. Williams, Gordon A. Shaw, Matt Simons, Christopher L. Holloway, John H. Lehman
We demonstrate a compact electromagnetic power sensor based on force effects of electromagnetic radiation onto a highly reflective mirror surface. Unlike the conventional power measurement approach, the photons are not absorbed and can be further used in

Nano-Sized Ferrite Particles for Magnetic Resonance Imaging Thermometry

September 8, 2018
Author(s)
Janusz H. Hankiewicz, J A. Stoll, John Stroud, J Davidson, K L. Livesey, K Tvrdy, Alexana Roshko, Stephen E. Russek, Karl Stupic, P Bilski, Robert E. Camley
Recently, we reported the use of magnetic particles as temperature indicators in magnetic resonance imaging thermometry (tMRI). In this method, the brightness of the MR image changes with temperature due to a temperature-dependent magnetic field

Data Quality and Assessment, Validation Methods and Error Propagation through the Simulation Software: Report from the Round-Table Discussion at the 10th World Congress of Chemical Engineering in Barcelona (October 1-5, 2017)

September 7, 2018
Author(s)
Paul M. Mathias, Ana Soto, Ljudmila Fele-Zilnik, Jean-Charles de Hemptinne, Ala Bazyleva, Jens Abildskov
The issues of data quality and propagation of data uncertainties into process design and plant uncertainties are of great current interest, and hence two Working Parties of the European Federation of Chemical Engineers (EFCE) organized a Round Table

High-throughput assessment of vacancy formation and surface energies of materials using classical force-fields

September 7, 2018
Author(s)
Kamal Choudhary, Adam J. Biacchi, Supriyo Ghosh, Lucas M. Hale, Angela R. Hight Walker, Francesca M. Tavazza
In this work, we present an open access database for surface and vacancy-formation energies using classical force-fields (FFs). These quantities are essential in understanding diffusion behavior, nanoparticle formation and catalytic activities. FFs are

IT Asset Management : Financial Services

September 7, 2018
Author(s)
James M. Banoczi
While a physical asset management system can tell you the location of a computer, it cannot answer questions like, “What operating systems are our laptops running?” and “Which devices are vulnerable to the latest threat?” An effective IT asset management

Low-GWP Alternative Refrigerant Blends for HFC-134a

September 7, 2018
Author(s)
Piotr A. Domanski, Mark O. McLinden, Ian H. Bell, Gregory T. Linteris
The goal of this study was to identify non-flammable, non-toxic, low global-warming-potential (GWP) replacements for HFC-134a in an air-conditioning system that would maintain the energy efficiency and capacity. A prior exhaustive work demonstrated that

Mechanical characterization of planar springs for compact radiation pressure power meters

September 7, 2018
Author(s)
Alexandra B. Artusio-Glimpse, Ivan Ryger, Paul A. Williams, Kyle A. Rogers, Daniel W. Rahn, Andrew J. Walowitz, John H. Lehman
Counter to conventional methods of measuring laser optical power, radiation pressure-based power meters operate by reflection rather than absorption. This provides an opportunity for in situ, non-destructive total beam power measurement. Compact radiation

The Economic Impacts of the Advanced Encryption Standard, 1996-2017

September 7, 2018
Author(s)
David P. Leech, Stacey Ferris, John T. Scott
Cryptography is a branch of applied mathematics concerned with developing complex algorithms for scrambling information ("plaintext") into an indecipherable version of that information ("ciphertext") and back to plaintext. The basics of cryptography as it
Displaying 11076 - 11100 of 73697
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