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Displaying 151 - 175 of 2933

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) … times, and long-term stability and lifetime of the plates. We find that the plates have a linear intensity response with a dynamic range … Use of Phosphor Image Plates for Measuring Intensities in Vacuum Ultraviolet Spectra …

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 …

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 rise-times. …

Size-exclusion chromatography

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

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 et … expanded polystyrene, fibrous glass, guarded hot plate, interlaboratory comparison, thermal conductivity, … Collaborative guarded-hot-plate tests between the Laboratoire national de metrologie et …

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

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 …

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 … 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 …

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 …

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 … electroformed nickel replication, focusing optics, grazing angle incidence, …

Fundamentals and Applications of Cluster SIMS

January 1, 2007
Author(s)
Christopher W. Szakal, John G. Gillen
… cluster, SIMS, SF5+, C60+, Aun+, Bin+, fundamentals, applications … Fundamentals and Applications of Cluster SIMS …
Displaying 151 - 175 of 2933
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