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This data has achieved Bronze level on 22 October 2015 which means this data makes a great start at the basics of publishing open data.

Silicon Carbide/Boron Nitride Dual In-Line Coating of Silicon Carbide Fiber Tows 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, glenn-research-center, project
Identifier
silicon-carbide-boron-nitride-dual-in-line-coating-of-silicon-carbide-fiber-tows-project
Landing Page
http://techport.nasa.gov/view/9018
Maintainers
TECHPORT SUPPORT hq-techport@mail.nasa.gov
Language
en-US

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Description

This SBIR Phase I project will demonstrate monolayer and dual layer coating of SiC fiber by leveraging Laser Chemical Vapor Deposition techniques developed by Free Form Fibers for direct fiber production. Ceramic fibers, particularly SiC, must be coated in order to protect the fibers from oxidizing environments, and to allow their use in SiC CMC's. FFF's LCVD techniques can be modified for fast, high purity coating. The Phase I effort includes creating a custom reactor that leverages FFF's existing gas precursor delivery infrastructure, and passing existing monofilament SiC fiber through the reactor to coat with BN in real time. Reversing direction and coating the coated fiber with SiC will be done for dual layer coating. Phase II would scale the process to serially dualcoat a unidirectional moving parallel array of hundreds or thousands of moving fibers. If successful, industry would finally have a reliable in-line approach to fiber coating prior to tow production, because spreading and coating already-sized tows is nearly impossible. Based on prior coating experience and other related proposals, Phase I work would take us from TRL3 to TRL4. Phase II could take us to TRL4 or TRL5, either on a FFF or other commercial fiber production facility.

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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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