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Displaying 33126 - 33150 of 73830

Effect of Surface Properties on Wrinkling of Ultrathin Films

January 1, 2007
Author(s)
Rui Huang, Christopher Stafford, B D. Vogt
Thin films bonded to compliant substrates often develop wrinkles when subjected to an applied or inherent compressive stress. This paper presents a bilayer model to account for surface effects on the wrinkling of ultrathin solid films. Assuming a surface

Effects of DCPA Nano-Particle Filler Level on Ca-and-PO 4- Releasing Dental Composites

January 1, 2007
Author(s)
Hockin D. Xu, Michael Weir, Limin Sun, S. Takagi, Laurence C. Chow
Dicalcium phosphate anhydrous (DCPA) nano-particles were recently synthesized. The objective of this study was to investigate the effects of filler level on composite mechanical properties and Ca and PO4 release. Nano DCPA and whiskers were used at DCPA

Fabrication Strategies for Producing Gradient Roughness Libraries

January 1, 2007
Author(s)
Christopher Stafford, Jun Y. Chung, Xuesong Hu, Heqing Huang
New technologies, such as flexible electronics and functional coatings systems, consist of hierarchical structures fabricated out of combinations of both soft and hard materials, with each material type lending unique properties and performance

Feasibility of Coded Source Neutron Transmission Tomography

January 1, 2007
Author(s)
Kevin Coakley, Daniel S. Hussey
In a simulation experiment, we study the feasibility of coded source neutron transmission tomography for imaging water density in fuel cells at the NIST neutron imaging facility. In standard two-dimensional transmission tomography, one reconstructs a

Final Report: Report of the CCQM Pilot P26.1: Determination of Sulfur in Diesel Fuel

January 1, 2007
Author(s)
William R. Kelly, Robert D. Vocke Jr., Jacqueline L. Mann, Gregory C. Turk
The European Union and the United States have set new lower limits on sulfur in diesel transport fuel of 10 g/g and 15 g/g, respectively. Implementation of these regulations will require the production of high accuracy standards at these and lower levels
Displaying 33126 - 33150 of 73830
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