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Displaying 126 - 150 of 315

Improving Concrete Bridge Decks with Internal Curing

February 1, 2013
Author(s)
Jason Weiss, Dale P. Bentz, Carmelo DiBella
… concrete is frequently desired due to its resistance to chloride ingress and corrosion, these mixtures are often … cracking. Internal curing also reduces the rate of chloride (or fluid) ingress which can lead to corrosion. The …

Percolation Aspects of Cement Paste and Concrete - Properties and Durability

August 1, 2000
Author(s)
Edward J. Garboczi, Dale P. Bentz
Synopsis: Portland cement concrete is a composite material, where the matrix consists of portland cement paste. Cement paste forms from the hydration reaction of portland cement with water. The microstructure of cement paste changes drastically over a time

Technetium: The Element That Was Discovered Twice

October 16, 2008
Author(s)
J T. Armstrong
… the authors claimed discovery of element 75, naming it rhenium . Both claims were widely disputed at the time, but … years later, the Noddacks isolated weighable amounts of rhenium and were accepted as its discoverers. They weren t …

Orientation of Thin Polyamide Layer-by-Layer Films on Non-Porous Substrates

December 16, 2021
Author(s)
Tawanda J. Zimudzi, Sarah E. Sheffield, Kathleen E. Feldman, Peter Beaucage, Dean DeLongchamp, Douglas I. Kushner, Christopher Stafford, Michael A. Hickner
… films comprised of m-phenylene diamine and trimesoyl chloride were synthesized via a layer-by-layer deposition … in the infrared spectrum for m-phenylene diamine-trimesoyl chloride system, peaks were identified that could be used as …

Cationic Surfactants for the Control of Overfill Bumps in Cu Superfilling

October 10, 2006
Author(s)
Soo K. Kim, Daniel Josell, Thomas P. Moffat
… conducted to study the effect of dodecyltrimethylammonium chloride (DTAC), a quaternary ammonium cationic surfactant, … A variety of other surfactants, cetyltrimethylammonium chloride (CTAC), cetyltrimethylammonium hydrogen sulfate …

Electrodeposition of Copper and Copper-Aluminum Alloys From a Room-Temperature Chloroaluminate Molten Salt

September 1, 1998
Author(s)
B J. Tierney, W R. Pitner, J A. Mitchell, C L. Hussey, Gery R. Stafford
… alloys was investigated in the Lewis acidic aluminum chloride-1-methyl-3-ethylimidazolium chloride [60.0-40.0 mole … corresponding to the electrodeposition of bulk aluminum (O V). For a 5.0 x 10 -2 mol L -1 solution of Cu(I), the onset … codeposition process was found to occur at around 0.30 V versus the Al(III)/ Al couple; however, a limiting current …
Displaying 126 - 150 of 315
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