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Displaying 44526 - 44550 of 74191

Nanocharacterization of Surface and Interface of Different Epoxy Networks

January 1, 2002
Author(s)
Xiaohong Gu, D T. Raghavan, D L. Ho, Li Piin Sung, Mark R. VanLandingham, Tinh Nguyen
The effect of network changes on the surface and interface properties of amine-cured epoxy has been investigated. Samples of different crosslinked epoxies are prepared by mixing stoichiometrically pure diglycidyl ether of bisphenol A (n=0.03) with

Nanomanufacturing of Atom-Based Dimensional Standards - A Final Project Report of the NAMT

January 1, 2002
Author(s)
Robert Allen, J J. Pellegrino, D Monk, E C. Teague, Dennis A. Swyt, Joseph Fu, Richard M. Silver, Theodore V. Vorburger, Bradley N. Damazo, Robert Russell, Thomas E. Wheatley, Keith A. Stouffer, Manfred Osti, David Wilmering, Richard L. Rhorer, Ram D. Sriram
This report describes the accomplishments of the Nanomanufacturing of Atom-based Dimensional Standards Project, which operated as part of the National Advanced Manufacturing Testbed (NAMT) a program formally operating from fiscal year (FY) 1996 to FY 2000

Nanoporous Ultra Low-Dielectric Constant Organosilicates Templated by Triblock Copolymers

January 1, 2002
Author(s)
S Y. Yang, P A. Mirau, C S. Pai, O Nalamasu, E Reichmanis, J C. Pai, Yaw S. Obeng, J Seputro, Eric K. Lin, Hae-Jeong Lee, J Sun, D Gidley
Triblock polymers, poly(ethylene oxide-b-propylene oxide-b-ethylene oxide) (PEO-b-PPO-b-PEO), are used as molecular templates in poly(methyl silsesquioxane) (MSQ) matrices to fabricate nanoporous organosilicates. It is found that the fast solvent

Nanotechnology: Emerging Developments and Early Dectection of Cancer

January 1, 2002
Author(s)
S J. Zullo, S Srivastava, J P. Looney, Peter E. Barker
A recent meeting jointly sponsored by the National Cancer Institute (NCI) and National Institute of Standards and Technology (NIST) brought together researchers active in nanotechnology and cancer molecular biology to discuss and evaluate the interface

Near-Field Optical Imaging of Microphase Separated and Semi-Crystalline Polymer Systems

January 1, 2002
Author(s)
Michael J. Fasolka, Lori S. Goldner, A Urbas, Jeeseong C. Hwang, Kathryn Beers, P DeRege, Evan L. Thomas
Polymer self-assembly presents an attractive means of creating the micro- and nano-patterned spatial arrays required for many opto-electronic and coatings technologies. Two of these ordering processes are microphase separation (MS), exhibited by block

Neutron Irradiation of Sapphire for Compressive Strengthening; II. Physical Properties

January 1, 2002
Author(s)
T M. Regan, D C. Harris, D W. Blodgett, K C. Baldwin, J A. Miragliotta, M E. Thomas, M J. Linevsky, J W. Giles, T A. Kennedy, M Fatemi, David R. Black, P D. Lagerl f
Irradiation of sapphire with fast neutrons (0.8-10 MeV) at a fluence of 1022/m2 increases thec-axis compressive strength and the c-plane biaxial flexure strength at 600 C by a factor of 2.5. Both effects are attributed to inhibition of r-plane twin
Displaying 44526 - 44550 of 74191
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