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This data has achieved Bronze level on 23 October 2015 which means this data makes a great start at the basics of publishing open data.

Multifunctional Carbon Nanotube/Polyethylene Complex Composites for Space Radiation Shielding Project

Summary

Type of release
a one-off release of a single dataset

Data Licence
Not Applicable

Content Licence
Creative Commons CCZero

Verification
automatically awarded

Release Date
9 April 2015
Modified Date
8 July 2015
Publishers
National Aeronautics and Space Administration
Keywords
completed, marshall-space-flight-center, project
Identifier
multifunctional-carbon-nanotube-polyethylene-complex-composites-for-space-radiation-shield
Landing Page
http://techport.nasa.gov/view/6178
Maintainers
TECHPORT SUPPORT hq-techport@mail.nasa.gov
Language
en-US

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Description

Polyethylene (PE), due to its high hydrogen content relative to its weight, has been identified by NASA as a promising radiation shielding material against galactic cosmic rays and solar energetic particles. Carbon nanotubes (CNTs), due to their small diameter, high-mechanical strength, and high-electrical and thermal conductivity, are recognized as the ultimate carbon fibers for high performance, multifunctional composites. Prior studies failed to produce the CNT/polymer composites that fully exploit nanotubes' outstanding mechanical, electrical and thermal properties because of poor dispersion of nanotubes in polymer matrices and poor adhesion between nanotubes and the polymer matrix,. Zyvex has developed a versatile and non-damaging chemical platform that allows us to engineer specific nanotube surface properties to permit homogeneous dispersion of nanotubes in various solvents and polymer matrices, and enables the significantly enhanced adhesion between nanotubes and the polymer matrix. The major innovation of our technical approach is to marry these two outstanding materials using Zyvex's chemical platform technology to produce a novel CNT/PE complex composite that not only has high radiation shielding performance, but also has high mechanical strength, high electrical conductivity, and improved thermal stability. Multifunctional CNT/PE complex composite will find broad applications in shielding humans in spacecrafts and habitats.

Información General

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This dataset has been created by US Government which means it is required to be in the public domain. However US copyright law only allows open access by US citizens, we have assumed the data is equivalently licensed as CC0 for the rest of the world as this is in the spirit of the US Government’s Open Data policy.

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