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Displaying 1 - 25 of 315

Revised analysis of the fifth spectrum of rhenium (Re V)

February 17, 2017
Author(s)
Vladimir I. Azarov, R R. Gayasov
… The spectrum of rhenium was observed in the (500 to 2100) A wavelength … + 5d26s) - 5d26p transition array of four times ionized rhenium, Re V, has been investigated. The configurations 5d3, … atomic spectrum, vacuum ultraviolet, four times ionized rhenium, Re4+. …

Grain growth and superconductivity of rhenium electrodeposited from water-in-salt electrolytes

February 25, 2020
Author(s)
William Sides, Ehsan Hassani, David P. Pappas, Yang Hu, Tae-Sick Oh, Qiang Huang
… the thickness and annealing process, in electrodeposited rhenium (Re) films is studied in order to understand the … superconductivity, electrodeposited rhenium, Re, electroplated, film preparation conditions, … Grain growth and superconductivity of rhenium electrodeposited from water-in-salt electrolytes …

Modeling of the Influence of Transverse Cracking on Chloride Penetration into Concrete

April 23, 2013
Author(s)
Dale P. Bentz, Edward J. Garboczi, Yang Lu, Nicos Martys, Aaron R. Sakulich, William J. Weiss
… of complexity, in predicting the time until the onset of chloride-induced corrosion of the steel reinforcement, the … for examining the influence of transverse cracking on chloride ion penetration into concrete that includes a … data indicates that the contributions of binding of the chloride ions by the cement paste play a significant role in …

PGAA measurement of chloride diffusion profiles in concrete cylinders

July 21, 2023
Author(s)
Heather H. Chen-Mayer, Neal Berke, Richard Livingston
… Chloride diffusion is correlated with corrosion of steel … structures. The current standard method for estimating chloride diffusion profile is by destructive chemical … of Prompt Gamma Activation Analysis (PGAA) for in-situ chloride determination by scanning in a neutron beam an …

Modeling Chloride transport in Cracked Concrete: A 3-D image-based microstructure simulation

October 3, 2012
Author(s)
Edward Garboczi, Dale P. Bentz, Jeffrey M. Davis, Yang Lu
… the presence of cracks in concrete and their effect on chloride transport and reaction properties is of great … effective cover thickness and accelerate the migration of chloride ions. So, it is highly desirable to develop a model predicting the chloride diffusion depth in cracked concrete while …

Critical Locus of Aqueous Solutions of Sodium Chloride

May 1, 1999
Author(s)
A A. Povodyrev, M A. Anisimov, Jan V. Sengers, W L. Marshall, Johanna Levelt Sengers
… of the critical temperature of aqueous solutions of sodium chloride on salt concentration especially in the limit of … for which data are available (0.3 mass fraction of sodium chloride). … solutions, critical locus, critical temperatures, sodium chloride solutions …

Measurement and Modeling of the Ability of Crack Fillers to Prevent Chloride Ingress into Mortar

August 1, 2017
Author(s)
Scott Z. Jones, Dale P. Bentz, Jeffrey Davis, Daniel S. Hussey, David L. Jacobson, John L. Molloy, John R. Sieber
… species. To effectively fulfill its mission of preventing chloride ingress, the polymer must not only fully fill the … (µXRF) measurements are employed on pre-cracked and chloride-exposed specimens to quantify the crack filling and chloride ingress limiting abilities, respectively, of the two …

Time-Dependent Diffusivities: Possible Misinterpretation Due to Spatial Dependence

September 1, 2000
Author(s)
Dale P. Bentz, X Feng, R. D. Hooton
… service life of a reinforced concrete structure exposed to chloride ions, it is necessary to estimate the temporal … may be a misinterpretation of the field concrete cores' chloride profiles. The obtained profiles are typically fitted … chloride ion, concrete, diffusion …

Feasibility Study of a Neutron-based Method for Field Measurement of Chloride in Concrete

September 30, 2025
Author(s)
Huaiyu Chen-Mayer, Shannon Hoogerheide, Aiysha Ashfaq, Jacob LaManna, Scott Jones, Mohamad Al-Sheikhly, Richard A. Livingston
… Chloride in concrete is known to promote corrosion of the … metal enforcement which leads to structural degradation. Chloride content monitoring is an important task for … integrity. The current industrial practice of chloride analysis through destructive chemical processes can …

Electrochemistry of Titanium and the Electrodeposition of Al-Ti Alloys in the Lewis Acidic Aluminum Chloride-1-Ethyl-3-Methylimidazolium Chloride Melt

April 1, 2003
Author(s)
T Tsuda, C L. Hussey, Gery R. Stafford, John E. Bonevich
… of titanium was examined in the Lewis acidic aluminum chloride-l-ethyl-3-methylimidazolium chloride (AlCl 3 -EtMelmCl) molten salt at 353.2 K. Dissolved … aluminum chloride, aluminum titanium, current densities, … of Al-Ti Alloys in the Lewis Acidic Aluminum Chloride-1-Ethyl-3-Methylimidazolium Chloride Melt …

Molecular Dynamics Calculation of the Diffusivity of Sodium Chloride in Steam

January 1, 2003
Author(s)
Allan H. Harvey, Raymond D. Mountain
… simulation is used to calculate the diffusivity of sodium chloride at infinite dilution in high-temperature steam at … spheres. At the conditions studied, the sodium and chloride ions diffuse together; the simulations determine the … diffusion, molecular dynamics, sodium chloride, steam, turbines, water …

A Fundamental Equation of State for Vinyl Chloride

January 10, 2022
Author(s)
Monika Thol, Florian Fenkl, Eric W. Lemmon
… in terms of the Helmholtz energy is presented for vinyl chloride. Due to its fundamental nature, it can be used to … vinyl chloride, equation of state, Helmholtz energy, thermodynamic … A Fundamental Equation of State for Vinyl Chloride …

Chloride Diffusivity in Hardened Cement Paste from Microscale Analyses and Accounting for Binding Effects

August 5, 2016
Author(s)
Pietro Carrara, Laura De Lorenzis, Dale P. Bentz
… We study the diffusion of chloride ions in hardened cement paste (HCP) under … Moreover, the physical and chemical interactions between chloride ions and HCP phases (binding), along with their … Chloride diffusing and binding, Microscale analyses, … Chloride Diffusivity in Hardened Cement Paste from Microscale …

Enhanced superconducting transition temperature in electroplated rhenium

April 30, 2018
Author(s)
David P. Pappas, Don David, Mustafa Bal, Ilke Arslan, Paul T. Blanchard, Ronald B. Goldfarb, Dustin A. Hite, Hsiang S. Ku, Russell E. Lake, Junling Long, Alexana Roshko, Lee D. Pappas, Britton L. Plourde, Jianguo Wen, Xian Wu, Corey Rae H. McRae
… Gold, Rhenium, Superconductivity, Meissner effect, low loss … superconducting transition temperature in electroplated rhenium …

Enthalpies of Solution of Sodium Chloride and Potassium Sulfate in Water. Thermodynamic Properties of the Potassium Sulfate and Water System

October 16, 2008
Author(s)
Donald G. Archer, D R. Kirklin
… to measure enthalpies of solution into water of sodium chloride (0.13 mol.kg-1) at nominal temperatures of 298.15 K, … of 298.15 K and 303.15 K. The results for sodium chloride were compared to a previous equation of state so as … enthalpy of solution, potassium sulphate, sodium chloride, thermodynamic properties …

Enthalpies of Solution of Sodium Chloride and Potassium Sulfate in Water. Thermodynamic Properties of the Potassium Sulfate Plus Water System

February 1, 2002
Author(s)
Donald G. Archer, D R. Kirklin
… to measure enthalpies of solution into water of sodium chloride ({equal to or nearly equal to} 0.13 mol.kg -1 ) at … of 298.15 K and 303.15 K. The results of sodium chloride were compared to a previous equation of state so as … enthalpy of solution, potassium sulphate, sodium chloride, thermodynamic properties …

Modeling and Measuring Chloride Ingress into Cracked Mortar

August 7, 2016
Author(s)
Scott Jones, Jeffery Davis, John L. Molloy, John R. Sieber, Dale P. Bentz
… Chloride ingress into reinforced concrete structures is … To aide in the prediction of concrete service life, a chloride ingress model that includes chloride binding to the cement matrix and a time-dependent … Modeling and Measuring Chloride Ingress into Cracked Mortar …

Using Impedance Spectroscopy to Assess the Viability of the Rapid Chloride Test for Determining Concrete Conductivity

July 1, 2000
Author(s)
Kenneth A. Snyder, Chiara C. Ferraris, Nicos Martys, Edward Garboczi
… The suitability of using the initial current from the rapid chloride test (ASTM C 1202) to determine specimen … diffusivity, impedance spectroscopy, inductivity, rapid chloride test … Spectroscopy to Assess the Viability of the Rapid Chloride Test for Determining Concrete Conductivity …

Rapid Fixation of Methylene Chloride By a Macrocyclic Amine

March 1, 2005
Author(s)
J C. Lee, Keith J. Stanger, Bruce C. Noll, Carlos A. Gonzalez, M Marquez, Bradley D. Smith
… A simple macrocyclic amine is alkylated by methylene chloride to give a quaternary ammonium chloride salt. When methylene chloride is the solvent, the reaction exhibits pseudo first … Rapid Fixation of Methylene Chloride By a Macrocyclic Amine …
Displaying 1 - 25 of 315
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