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Displaying 45851 - 45875 of 74178

Continuous Parallel Fiber Composites: Fracture

January 1, 2001
Author(s)
B S. Majumdar, Donald L. Hunston
The objective in this chapter is to briefly review the fracture behavior of unidirectional composites with special attention to mechanisms that have been developed to improve toughness. The focus is on failure involving the propagation of cracks for

Corrosion Behavior of Weldable Fe-Al Alloys in Oxidizing-Sulfidizing Environments

January 1, 2001
Author(s)
Stephen W. Banovic, J N. DuPont, A R. Marder
Weld overlay coatings are typically used to protect existing low alloy steel water-wall panels from accelerated sulfidation attack in fossil-fired boilers with advanced low NO x burners. A material system presently under consideration for use as a cladding

Crystallization of Isotactic Polystyrene in Thin Films: A High Throughput Approach

January 1, 2001
Author(s)
Kathryn L. Beers, Jack F. Douglas, Eric J. Amis, Alamgir Karim
Very thin films of semi-crystalline polymers are increasingly being employed in coatings applications and there is a need to better understand how film thickness and crystallization conditions influence the crystalline morphology and resultingfilm

Cu Electrodeposition for On-Chip Interconnections

January 1, 2001
Author(s)
Gery R. Stafford, Thomas P. Moffat, V D. Jovic, David R. Kelley, John E. Bonevich, Daniel Josell, Mark D. Vaudin, N G. Armstrong, W H. Huber, A Stanishevsky
The electrochemical behavior of copper in copper sulfate - sulfuric acid, containing various combinations of NaCl, sodium 3 mercapto-1 propanesulfonate (MPSA), and polyethylene glycol (PEG) is examined. The i-E deposition characteristics of the

Damage Evolution During Microcracking of Brittle Solids

January 1, 2001
Author(s)
A Zimmermann, W Carter, Lin-Sien H. Lum
Microcracking due to thermal expansion anisotropy is considered based on a finite element model. A polycrystalline microstructure is generated via Monte Carlo simulation. Microcrack formation is investigated using a Griffith-type failure criterion. The

Decoherence-Free Quantum Memory Using Trapped Ions

January 1, 2001
Author(s)
D Kielpinski, V Meyer, M A. Rowe, C A. Sackett, Wayne M. Itano, C Monroe, David J. Wineland
We demonstrate a decoherence-free quantum memory of one qubit. By encoding the qubit into the decoherence-free subspace (DFS) of a pair of trapped 9Be+ ions, we protect the qubit from environment-induced dephasing that limits the storage time of a qubit

Definitions of Total Estimators of Common Time-Domain Variances

January 1, 2001
Author(s)
David A. Howe, Trudi K. Peppler
This paper summarizes the definitions and properties of frequency and time variance estimators based on the "total" approach. These definitions and properties are not available in one document, yet this statistical approach produces variance estimates with
Displaying 45851 - 45875 of 74178