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Displaying 22601 - 22625 of 143737

FATIGUE CRACK GROWTH RATES OF API X70 PIPELINE STEELS IN PRESSURIZED HYDROGEN GAS COMPARED WITH AN X52 PIPELINE IN HYDROGEN SERVICE

September 1, 2017
Author(s)
Elizabeth S. Drexler, Andrew J. Slifka, Robert L. Amaro, Damian S. Lauria, Jeffrey W. Sowards
At the present time, steel selection for hydrogen pipelines is limited to API X52 grade. However, the code is being modified to include higher strength steels, such as X70. Fatigue crack growth (FCG) tests were conducted at NIST (Boulder) on an X52

Ionizing Radiation Processing and its Potential in Advancing Biorefining and Nanocellulose Composite Materials Manufacturing

September 1, 2017
Author(s)
Michael T. Postek, Dianne L. Poster, Andras Vladar, Mark S. Driscoll, Jay A. LaVerne, Zios Tsinas, Mohamad Al-Sheikhly
Nanocellulose is a high value material that has gained increasing attention because of its high strength, stiffness, unique photonic and piezoelectric properties, high stability and uniform structure. Through utilization of a biorefinery concept

Modifying Surface Fluctuations of Polymer Melt Films with Substrate Modification

September 1, 2017
Author(s)
Yang Zhou, Qiming He, Fan Zhang, Feipeng Yang, Suresh Narayanan, Guangcui Yuan, Ali Dhinojwala, Mark D. Foster
Deposition of a plasma polymerized film on a silicon substrate changes the fluctuations on the surface of a sufficiently thin, melt polystyrene (PS) film atop the substrate. Surface fluctuation relaxation times measured with X-ray photon correlation

Quantum Light Turned on by Nanotube Chemistry

September 1, 2017
Author(s)
Ming Zheng, Kartik A. Srinivasan
Room-temperature single-photon emission at telecom wavelengths is realized by organic color centers chemically implanted on chirality-defined single-wall carbon nanotubes.
Displaying 22601 - 22625 of 143737
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