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Displaying 51276 - 51300 of 74165

Optical Coherence Tomography of Glass Reinforced Polymer Composites

January 1, 1999
Author(s)
Joy Dunkers, Richard~undefined~undefined~undefined~undefined~undefined Parnas, C G. Zimba, R C. Peterson, Kathleen M. Flynn, J G. Fujimoto, B E. Bouma
Optical coherence tomography (OCT) is a non-destructive and non-contact technique to image microstructure within scattering media. The application of OCT to highly scattering materials such as polymer composites is especially challenging. In this work, OCT

Optical Monitoring of Polypropylene Injection Molding

January 1, 1999
Author(s)
C L. Thomas, Anthony J. Bur
We have constructed an optical fiber sensor for monitoring injection molding and we have developed a model to describe sensor behavior. The sensor consists of a sapphire window at the end of a sleeved ejector pin into which an optical fiber is inserted

Overview of the Federal Technical Standards Conference

January 1, 1999
Author(s)
K J. Leuteritz
This past August 4-6 the first Federal Technical Standards Workshop was held in Washington, DC. The theme was Standards Management A World of Change and Opportunities. The purpose if the conference was to further the implementation of the National

Performance and Modeling of Heat Flux Sensors in Different Environments

January 1, 1999
Author(s)
David G. Holmberg, C A. Womeldorf
Heat flux measurement is not simple; care is required in selecting a suitable sensor for a given application. Surface substrate properties and the convective and radiative environment determine the choice of sensors. Mounting of the sensor, especially in

Physics Laboratory Technical Activities 1998

January 1, 1999
Author(s)
K B. Gebbie
This report summarizes research projects measurement method developments, calibration and testing services, and data evaluation activities that were carried out during calendar year 1998 in the NIST Physics Laboratory. These activities are in the areas of
Displaying 51276 - 51300 of 74165
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