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Displaying 76 - 100 of 269

Cure temperature influences electrical properties via carbon nanotube-rich domain formation

July 27, 2016
Author(s)
Chelsea S. Davis, Nathan D. Orloff, Jeremiah W. Woodcock, Christian J. Long, Kevin A. Twedt, Bharath NMN Natarajan, Jonathan E. Seppala, Jabez J. McClelland, Jan Obrzut, James A. Liddle, Jeffrey W. Gilman
Carbon nanotube (CNT) nanocomposites are enticing materials that enable engineers to tailor structural and electrical properties for applications in the automotive and aerospace industries. CNT mass fraction and the matrix cure temperature are two ways to

The Occurrence of Repeated Fiber Breaks in Microcomposites

November 10, 2015
Author(s)
Gale A. Holmes, Edward D. McCarthy, Nathanael A. Heckert, Stefan D. Leigh, Jae Hyun Kim, Jeffrey W. Gilman
The mechanical integrity of a structural composite is strongly affected by the strength and toughness of the fiber–matrix interface/interphase (Norwood, 1994), with interfacial shear strength (IFSS) considered the best quantifying metric. IFSS outputs are

The Fiber Break Evolution Process in a 2-D Epoxy/Glass Multi-Fiber Array

November 2, 2015
Author(s)
Edward D. McCarthy, Jae H. Kim, N. Alan Heckert, Stefan D. Leigh, Jeffrey W. Gilman, Gale A. Holmes
The mechanical integrity of a structural composite is strongly affected by the strength and toughness of the fiber-matrix interface/interphase [1], with interfacial shear strength (IFSS) being the accepted quanti-fying metric. However, the value of the

Detecting Carbon in Carbon: Application of Differential Charging to Obtain Information on the Chemical Identity and Spatial Location of Carbon Nanotube Aggregates in Composites by Imaging X-ray Photoelectron Spectroscopy

October 24, 2015
Author(s)
Justin M. Gorham, William A. Osborn, Jeremiah W. Woodcock, Keana C. Scott, John M. Heddleston, Angela R. Hight Walker, Jeffrey W. Gilman
The surface contributions and dispersion properties of multiwalled carbon nanotubes (MWCNT) within a composite are important measurements to perform on nano-enabled products in order to help answer environmental health and safety questions associated with

Perspective: What do we still need to understand to commercialize nanocellulose?

July 20, 2015
Author(s)
Chelsea S. Davis, Danielle L. Grolman, Alamgir Karim, Jeffrey W. Gilman
Cellulosic nanomaterials have the potential to become predominant nanoparticles utilized in materials engineering fields ranging from flexible electronic supports1–3 and tissue scaffolds4,5 to nanocomposite reinforcement materials6–9 and aerogels for oil

NIST-TAPPI Workshop on Measurement Needs for Cellulose Nanomaterial

June 23, 2015
Author(s)
Chelsea S. Davis, Robert J. Moon, Sean Ireland, Linda Johnston, Jo Anne Shatkin, Kim Nelson, E. J. Foster, Aaron M. Forster, Michael T. Postek, Andras Vladar, Jeffrey W. Gilman
A one-day workshop focused on the Measurement Needs for Cellulosic Nanomaterials was organized by the National Institute of Standards and Technology and held in conjunction with the 2014 TAPPI International Conference on Nanotechnology for Renewable
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