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Search Publications

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Displaying 151 - 175 of 2915

Use of Phosphor Image Plates for Measuring Intensities in Vacuum Ultraviolet Spectra

January 28, 2011
Author(s)
Gillian Nave, Craig J. Sansonetti, Csilla Szabo, John J. Curry, Darren Smillie
… We describe the use of phosphor image plates for recording spectra in the vacuum ultraviolet (VUV) … multiple times, and long-term stability and lifetime of the plates. We find that the plates have a linear intensity response with a dynamic range …

Layered Double Hydroxides as Cation Exchange Materials

October 12, 2021
Author(s)
Paul Braterman, Nandika A. D'Souza, Jeffrey W. Gilman, Mickey C. Richardson, Laxmi K. Sahu, Mauro Zammarano
… in a solution of a transition metal salt, such as nickel(II) chloride in water, would lead to complete or … in the case of catalytically active metals, such as nickel, where it is highly desirable to achieve maximum … decided to expose samples of the magnesium aluminum LDH to nickel chloride solution at room temperature and to …

Size-exclusion chromatography

April 20, 2023
Author(s)
Andre Striegel
… separations. … Andre Striegel … Liquid chromatography: Fundamentals and Instrumentation, 3rd edition … Size-exclusion chromatography, fundamentals, historical background, retention, band …

Wideband Acoustic Emission Displacement Signals as a Function of Source Rise-Time and Plate Thickness

August 1, 1998
Author(s)
Marvin A. Hamstad, John M. Gary, Agnes O'Gallagher
… interrelationships between acoustic source rise-time and plate thickness in steel plates. The source was typically a … in the far-field, typically at a distance of 15 times the plate thickness. Results with the finite element approach … thicknesses. The question of scaling of results with plate thickness was also addressed for typical AE …

Fourier, Gegenbauer and Jacobi expansions for a power-law fundamental solution of the polyharmonic equation and polyspherical addition theorems

June 5, 2013
Author(s)
Howard S. Cohl
… expansions for the kernels associated with power-law fundamental solutions of the polyharmonic equation on … and Geometry: Methods and Applications (SIGMA) … fundamental solutions, polyharmonic equation, Jacobi … … Fourier, Gegenbauer and Jacobi expansions for a power-law fundamental solution of the polyharmonic equation and …

Collaborative guarded-hot-plate tests between the Laboratoire national de metrologie et dessais and the National Institute of Standards and Technology

January 20, 2017
Author(s)
Robert R. Zarr, William F. Guthrie, Bruno Hay, Alain Koenen
… the long-term measurement performance between guardedhot- plate facilities at the Laboratoire national de métrologie … … expanded polystyrene, fibrous glass, guarded hot plate, interlaboratory comparison, thermal conductivity, … thermal insulation, uncertainty … Collaborative guarded-hot-plate tests between the Laboratoire national de metrologie …

Short-Duration Autoignition Temperature Measurements for Hydrocarbon Fuels Near Heated Metal Surfaces

January 1, 1997
Author(s)
K C. Smyth, Nelson P. Bryner
… hydrocrabon fuels containing 1 to 8 carbon atoms on heated nickel, stainless steel, and titanium surfaces for three … determinations for 10 linear and branched alkanes on heated nickel for stoichiometric conditions. Excellent … Science and Technology … hydrocarbon fuels, autoignition, nickel, premixed flames, stainless steels, titanium … …

Focused Ion Beam Manufacturing Methods for Nickel-Titanium Shape-Memory Alloy Thin Films

June 4, 2007
Author(s)
Gordon A. Shaw, Koo-Hyun Chung, Bin Ming, Andras Vladar
… Nickel-titanium shape-memory alloy is an interesting and … however.  In this study, focused ion beam (FIB) milling of nickel-titanium shape-memory alloy thin films was carried … Mechanics … Focused Ion Beam Manufacturing Methods for Nickel-Titanium Shape-Memory Alloy Thin Films …

Dimensional Metrology of Bipolar Fuel Cell Plates Using Laser Spot Triangulation Probes

March 22, 2011
Author(s)
Balasubramanian Muralikrishnan, Wei Ren, Dennis S. Everett, Eric S. Stanfield, Theodore D. Doiron
… for rapid dimensional measurement of bipolar fuel cell plates using two laser spot triangulation probes that can … triangulation … Dimensional Metrology of Bipolar Fuel Cell Plates Using Laser Spot Triangulation Probes …

Welding Consumable Development for a Cryogenic (4K) Application

August 1, 1999
Author(s)
S F. Kane, A L. Farland, Thomas A. Siewert, Christopher N. McCowan
… the weld process. Also, welds enriched with manganese and nickel have demonstrated improved fracture toughness. These … the development of a nitrogen- and manganese-modified, high-nickel stain-less-steel alloy. It produced gas metal arc … … cryogenic, fracture toughness, gas metal arc welding, nickel, oxygen, welding … Welding Consumable Development for …

Morphology Dependent of Flow Stress of Nickel-Based Superalloys in the Multi-Scale Crystal Plasticity Framework

November 2, 2017
Author(s)
Shahriyar Keshavarz, Zara Molaeinia, Andrew C. Reid, Stephen A. Langer
… This paper develops a framework to obtain flow stress of Nickel-based superalloys as a function of gamma-gamma prime … In general, the two-phase gamma-gamma prime morphology in Nickel-based superalloys can be divided into three variables … used to obtain the morphology dependent of flow stress in nickel-based superalloys and can significantly expedite …

Cosolvent-assisted Spray Pyrolysis for the Generation of Metal Particles

July 1, 2003
Author(s)
Valeri I. Babushok, S H. Ehrman, Thomas Germer, Jae H. Kim, George W. Mulholland
… aqueous solutions of copper acetate, copper nitrate, and nickel nitrates over the temperature range of 450 C … of Materials Research … copper, metal, nanoparticles, nickel, particles, spheres … Cosolvent-assisted Spray …

CODATA Recommended Values of the Fundamental Physical Constants: 2018

June 30, 2021
Author(s)
Eite Tiesinga, Peter Mohr, David B. Newell, Barry Taylor
… B. Newell , Barry Taylor … Reviews of Modern Physics … fundamental constants, quantumelectrodynamics, gravitational constant … CODATA Recommended Values of the Fundamental Physical Constants: 2018 …

Wolter Optics for Neutron Focusing

April 1, 2011
Author(s)
David F. Mildner, M. V. Gubarev
… a common focal plane. These mirrors are fabricated using nickel-electroformed replication techniques. We apply these ideas to neutron focusing using nickel mirrors. We show an initial test of a conical mirror … Instruments & Methods in Physics Research A … electroformed nickel replication, focusing optics, grazing angle …

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
… Non-contact dimensional measurement of fuel cell plates is critical to the eventual rapid manufacture by … Program, and by numerous manufacturers’ of fuel cell plates. To facilitate this effort, we have explored the use … non-contact dimensional measurements of fuel cell plates using laser spot triangulation probes. Our system …

Fundamentals and Applications of Cluster SIMS

January 1, 2007
Author(s)
Christopher W. Szakal, John G. Gillen
… Mass Spectrometry … cluster, SIMS, SF5+, C60+, Aun+, Bin+, fundamentals, applications … Fundamentals and Applications of Cluster SIMS …

The Application of the Fundamental Parameters Approach as Implemented in TOPAS to Divergent Beam Powder Diffraction Data

May 1, 2010
Author(s)
James P. Cline, David R. Black, David L. Gil, Albert Henins, Donald A. Windover
… The fundamental parameters approach (FPA) as implemented in … A. Windover … Materials Science Forum … Powder Diffraction, Fundamental Parameters Approach, Profile Fitting, Rietveld … Lattice Parameter Measurement … The Application of the Fundamental Parameters Approach as Implemented in TOPAS to …
Displaying 151 - 175 of 2915
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