NDLI: Ultra-lightweight nanocomposite foams and sandwich structures for space structure applications

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Ultra-lightweight nanocomposite foams and sandwich structures for space structure applications

Content Provider	NASA Technical Reports Server (NTRS)
Author	Tan, Seng
Copyright Year	2012
Description	Microcellular nanocomposite foams and sandwich structures have been created to have excellent electrical conductivity and radiation-resistant properties using a new method that does not involve or release any toxicity. The nanocomposite structures have been scaled up in size to 12 X 12 in. (30 X 30 cm) for components fabrication. These sandwich materials were fabricated mainly from PE, CNF, and carbon fibers. Test results indicate that they have very good compression and compression-after-impact properties, excellent electrical conductivity, and superior space environment durability. Compression tests show that 1000 ESH (equivalent Sun hours) of UV exposure has no effect on the structural properties of the sandwich structures. The structures are considerably lighter than aluminum alloy (= 36 percent lighter), which translates to 36 percent weight savings of the electronic enclosure and its housing. The good mechanical properties of the materials may enable the electronic housing to be fabricated with a thinner structure that further reduces the weight. There was no difficulty in machining the sandwich specimens into electronic enclosure housing.
File Size	84886
Page Count	1
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_20120010463
Archival Resource Key	ark:/13960/t2g78cp0n
Language	English
Publisher Date	2012-06-01
Access Restriction	Open
Subject Keyword	Composite Materials Foams Fabrication Nanocomposites Compression Tests Weight Reduction Spacecraft Structures Sandwich Structures Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Technical Report

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