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Properties of Carbon Deposits Formed by Plasma Spraying of NanodiamondDeposits of carbon nanoparticles based on an onion-like structure were fabricated by a new one-step method, an electromagnetically accelerated plasma spraying (EMAPS) deposition, from detonation nanodiamond powders on stainless steel substrates. The presence of spherical and polyhedral carbon onion particles was confirmed by transmission electron microscopy (TEM) studies. Carbon bonding in virgin powders and synthesized deposits was studied by two-wavelength Raman spectroscopy under excitation by visible (514 nm) and UV (244 nm) irradiation. The transformation of nanodiamonds to closed curved graphitic nanoparticles was explained by intensive heating and electron irradiation of the spraying powder in plasma. Friction measurement of the deposits showed their availability as solid lubricant films.
Document ID
20030068572
Acquisition Source
Glenn Research Center
Document Type
Conference Paper
Authors
Anna Gubarevich (Tokyo Institute of Technology Tokyo, Japan)
Osamu Odawara (Tokyo Institute of Technology Tokyo, Japan)
Junya Kitamura (National Institute of Advanced Industrial Science and Technology Tsukuba, Japan)
Shu Usuba (National Institute of Advanced Industrial Science and Technology Tsukuba, Japan)
Hiroyuki Yokoi (National Institute of Advanced Industrial Science and Technology Tsukuba, Japan)
Yozo Kakudate (National Institute of Advanced Industrial Science and Technology Tsukuba, Japan)
Akihiro Tanaka (National Institute of Advanced Industrial Science and Technology Tsukuba, Japan)
Date Acquired
August 21, 2013
Publication Date
August 1, 2003
Publication Information
Publication: Proceedings of the Seventh Applied Diamond Conference/Third Frontier Carbon Technology Joint Conference
Publisher: National Aeronautics and Space Administration
Subject Category
Solid-State Physics
Report/Patent Number
NASA/CP-2003-212319
Meeting Information
Meeting: 7th Applied Diamond Conference (ADC)
Location: Tsukuba
Country: JP
Start Date: August 18, 2003
End Date: August 21, 2003
Sponsors: Nippon Institute of Technology, National Institute of Advanced Industrial Science and Technology, Glenn Research Center
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
Keywords
onion-like carbon
nanodiamond
plasma spray
Raman spectroscopy
solid lubricant
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IDRelationTitle20030068525Collected WorksProceedings of the Seventh Applied Diamond Conference/Third Frontier Carbon Technology Joint Conference (ADC/FCT 2003)
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