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Displaying 351 - 375 of 1646

Hydrogen Concentration-Induced Stresses in an Environmental TEM

April 25, 2022
Author(s)
Matthew Connolly, Veruska Malave, May Martin
… The hydrogen-enhanced localized plasticity (HELP) mechanism is a leading candidate among proposed hydrogen embrittlement (HE) mechanisms. Transmission electron … of an increased dislocation mobility on exposure to hydrogen have provided the most direct evidence for the HELP …

Toward 3D printed hydrogen storage materials made with ABS-MOF composites

September 26, 2017
Author(s)
Megan C. Kreider, Zeeshan Ahmed, Makfir Sefa, James A. Fedchak, Julia Scherschligt, Michael Bible, Nikolai Klimov, Bharath Natarajan, Hartings Mathew
… effort to generate materials that are capable of storing hydrogen. Metal-organic framework materials (MOFs) have been … composite plastic, hydrogen storage, sensor, additive manufacturing, 3d printing … Toward 3D printed hydrogen storage materials made with ABS-MOF composites …

Internal Rotation and Spin Conversion of CH 3 OH in Solid Para-Hydrogen

January 20, 2006
Author(s)
Y J. Wu, R M. Lees, L H. Xu, Jon T. Hougen, Yuan-Pern Lee
… The quantum solid para-hydrogen (p-H2) has recently emerged as a novel host for … rotation, methanol, nuclear spin conversion, solid para hydrogen, torsional splittings … Rotation and Spin Conversion of CH 3 OH in Solid Para-Hydrogen …

Saturated Defect Densities of Hydrogenated Amorphous Silicon Grown by Hot-Wire Chemical Vapor Deposition at Rates up to 150 /S

June 1, 2001
Author(s)
A. H. Mahan, Y Xu, B P. Nelson, R S. Crandall, J D. Cohen, K C. Palinginis, Alan Gallagher
… Hydrogenated amorphous-silicon (a-Si:H) is grown by hot-wire … hot-wire chemical vapor deposition, hydrogenated amorphous silicon, saturated defect densities … Saturated Defect Densities of Hydrogenated Amorphous Silicon Grown by Hot-Wire Chemical …

Hydrogen bond spectroscopy in the near IR via combination bands: Out-of-plane torsion and anti-geared bending modes in (HF) 2

May 1, 1996
Author(s)
D T. Anderson, S Davis, David Nesbitt
… bend (υ 3 ) intermolecular modes, in combination with the hydrogen bond donor (υ 2 ) and acceptor (υ 1 ) high-resolved … excited states. The relatively small changes in the hydrogen bond interconversion tunneling splitting VRT line … HF dimmer, hydrogen bond, intermolecular vibrations, near-IR, slit-jet …

Breaking symmetry with hydrogen bonds: Vibrational predissociation and isomerization dynamics in HF-DF and DF-HF isotopomers.

July 1, 1996
Author(s)
J T. Farrell, M A. Suhm, David Nesbitt
… the vibrationally excited subunit), which probe both the hydrogen/deuterium bond donor and acceptor moieties in the … and yield a spectroscopic measure of the difference in hydrogen bond dissociation energies (Δ}D o =74.8(5)cm -1 ) … HFDF, high resolution, hydrogen bonding, infrared, isomerization, predissociation, …

Catalyzed KSiH 3 as a Reversible Hydrogen Storage Material

November 1, 2016
Author(s)
Raphael Janot, Wan Si NMN Tang, Damien Clemencon, Jean-Noel Chotard
… Solid-state hydrogen storage through the reversible formation of metallic hydrides is a key issue for the development of hydrogen as an energy vector. Herein reports the hydrogen storage performances of the KSiH 3 silanide phase … Catalyzed KSiH 3 as a Reversible Hydrogen Storage Material …

Record High Hydrogen Storage Capacity in the Metal-Organic Framework Ni 2 (m-dobdc) at Near-Ambient Temperatures

November 27, 2018
Author(s)
Matthew T. Kapelewski, Tomce Runcevski, Jacob Daniel Tarver, Henry Z. H. Jiang, Katherine E. Hurst, Philip A. Parilla, Anthony Ayala, Thomas Gennett, Stephen A. FitzGerald, Craig Brown, Jeffrey R. Long
… pressures for H 2 storage. Importantly, the measurement of hydrogen adsorption in MOFs under conditions most relevant to … hydrogen storage, neutron powder diffraction, … Record High Hydrogen Storage Capacity in the Metal-Organic Framework Ni 2 …

Isotopic Dependence of the Hydrogen-Transfer-Triggered Methyl-Group Rotation in Deuterated 5-Methyltropolone

September 19, 2017
Author(s)
Francis J. Lovas, Vadim V. Ilyushin, Alyssa M. Johnson, Jenna Hohl, Emily A. Cloessner, Richard Lavrich
… exhibits two large-amplitude motions: an intramolecular hydrogen transfer (deuterium transfer in the current case of … hydrogen transfer, internal rotation, large-amplitude motion, … Isotopic Dependence of the Hydrogen-Transfer-Triggered Methyl-Group Rotation in …

Cell Adhesion to Borate Glasses by Colloidal Probe Microscopy

August 1, 2011
Author(s)
Sheldon M. Wiederhorn, Carl G. Simon Jr., Young-Hun Chae
… force of adhesion depended on the formation of a calcium phosphate reaction layer on the glass surface caused by … in the medium. Those glasses that did not form a calcium phosphate layer on the glass surface exhibited a weaker force … adhesion relative to those glasses that formed a calcium phosphate layer on their surfaces. The experiments described …

Summary of an ASME/DOT project on measurements of fatigue crack growth rate of pipeline steels

July 20, 2014
Author(s)
Andrew J. Slifka, Elizabeth S. Drexler, Robert L. Amaro, Damian S. Lauria, Louis E. Hayden, Douglas G. Stalheim, Yaoshan Chen
… to determine the fatigue crack growth rate in pressurized hydrogen gas; the project was sponsored by the Department of … in close collaboration with ASME B31.12 Committee on Hydrogen Piping and Pipelines for about 3 years. Four steels … two X52 and two X70 alloys. Other variables included hydrogen gas pressures of 5.5 MPa and 34 MPa, a load ratio, …

Stress in Aluminum Induced by Hydrogen Absorption during Cathodic Polarization

September 16, 2015
Author(s)
Gery R. Stafford, Jae W. Shin, Kurt Hebert
… The hydrogen concentration in metals during aqueous corrosion is influenced by the kinetics of hydrogen absorption. Measurements of absorption kinetics are … and corrosion processes. However, in situ measurements of hydrogen- induced stress in metal films can be used to …

Effects of Proteins on Metal Corrosion

October 16, 2008
Author(s)
H J. Mueller
… silver anodically polarized to 0.4 V vs SCE, calcium- and phosphate-containing products were intermixed with silver … chloride when protein was absent, while no calcium-and phosphate-containing products occurred when protein was … calcium, chloride, copper, corrosion, phosphate, polarization, products, protein, silver …

Archival and Theoretical Considerations for Isotopic Dependence in the e-H 2 Fixed Points

June 1, 2001
Author(s)
F Pavese, Weston L. Tew, A G. Steele
… at large concentrations of ^2^H. Similarly, archival hydrogen vapor pressure measurements of pure ^2^H^1^H allow … for making corrections for isotopic variations in hydrogen gas samples. New experimental work in this area will … deuterium, equilibrium hydrogen, hydrogen deuteride, hydrogen fixed points, hydrogen …

Seeding Cells into Calcium Phosphate Cement

January 1, 2002
Author(s)
Carl Simon Jr., Francis W. Wang
… biocompatability, biomaterials, bone graft, calcium phosphate cement, cell seeding, cell therapy, hydrogel, … Seeding Cells into Calcium Phosphate Cement …

Recovery of Forming Gas Damaged Pb(Nb,Zr,Ti)O 3 Capacitors

October 12, 2021
Author(s)
S Aggarwal, S R. Perusse, C J. Kerr, R Ramesh, D B. Romero, J T. Evans, L Boyer, J Velasquez
… ) annealing. In such capacitors oxygen loss, lead loss and hydrogen incorporation are three degradation mechanisms that … dielectrics to prevent any loss of oxygen or lead. Hydrogen however diffused into the ferroelectric film leading … was annealed in VLSI grade N 2 ambient to drive the hydrogen out. Raman scattering experiments performed in the …

Complete collision data set for electrons scattering on molecular hydrogen and its isotopologues: IV. Vibrationally-resolved ionization of the ground and excited electronic states.

January 31, 2023
Author(s)
Yuri Ralchenko, Barry I. Schneider, Liam Scarlett, Eric Jong, Igor Bray, Starsha Odelia, Mark Zammit, Dmitry Fursa
… cross sections for electron-impact ionization of molecular hydrogen and its isotopologues (H2, D2, T2, HD, HT, and DT) … Molecular hydrogen, isotopologues, ionization cross sections, molecular … collision data set for electrons scattering on molecular hydrogen and its isotopologues: IV. Vibrationally-resolved …
Displaying 351 - 375 of 1646
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