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In Situ Mechanical Property Measurements of Amorphous Carbon-Boron Nitride Nanotube NanostructuresTo understand the mechanical properties of amorphous carbon (a-C)/boron nitride nanotube (BNNT) nanostructures, in situ mechanical tests are conducted inside a transmission electron microscope equipped with an integrated atomic force microscope system. The nanotube structure is modified with amorphous carbon deposited by controlled electron beam irradiation. We demonstrate multiple in situ tensile, compressive, and lap shear tests with a-C/BNNT hybrid nanostructures. The tensile strength of the a-C/BNNT hybrid nanostructure is 5.29 GPa with about 90 vol% of a-C. The tensile strength and strain of the end-to-end joint structure with a-C welding is 0.8 GPa and 5.2% whereas the lap shear strength of the side-by-side joint structure with a-C is 0.25 GPa.
Document ID
20120003336
Acquisition Source
Langley Research Center
Document Type
Reprint (Version printed in journal)
Authors
Kim, Jae-Woo
(National Inst. of Aerospace Hampton, VA, United States)
Lin, Yi
(National Inst. of Aerospace Hampton, VA, United States)
Nunez, Jennifer Carpena
(NASA Langley Research Center Hampton, VA, United States)
Siochi, Emilie J.
(NASA Langley Research Center Hampton, VA, United States)
Wise, Kristopher E.
(NASA Langley Research Center Hampton, VA, United States)
Connell, John W.
(NASA Langley Research Center Hampton, VA, United States)
Smith, Michael W.
(NASA Langley Research Center Hampton, VA, United States)
Date Acquired
August 25, 2013
Publication Date
December 16, 2011
Publication Information
Publication: Nanotechnology
Publisher: IOP Publishing Ltd.
Volume: 23
ISSN: 0957-4484
Subject Category
Composite Materials
Report/Patent Number
NF1676L-12456
Funding Number(s)
WBS: WBS 432938.09.02.07.05.02
Distribution Limits
Public
Copyright
Other

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