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Raman Study of Uncoated and P-Bn/Sic-Coated Hi-Nicalon Fiber-Reinforced Celsian Matrix Composites. Part 1; Distribution and Nanostructure of Different
AUTHOR | Nasa, National Aeronautics and Space Adm |
PUBLISHER | Independently Published (09/26/2018) |
PRODUCT TYPE | Paperback (Paperback) |
Description
Hi-Nicalon fiber reinforced celsian matrix composites were characterized by Raman spectroscopy and imaging, using several laser wavelengths. Composite #1 is reinforced by as-received fibers while coatings of p-BN and SiC protect the fibers in composite #2. The matrix contains traces of the hexagonal phase of celsian, which is concentrated in the neighborhood of fibers in composite #1. Some free silicon was evident in the coating of composite #2 which might involve a {BN + SiC yields BNC + Si} "reaction" at the p-BN/SiC interface. Careful analysis of C-C peaks revealed no abnormal degradation of the fiber core in the composites. Gouadec, Gwenael and Colomban, Philippe and Bansal, Narottam P. Glenn Research Center NASA/TM-2000-210349, NAS 1.15:210349, E-12398
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Product Format
Product Details
ISBN-13:
9781724066671
ISBN-10:
1724066676
Binding:
Paperback or Softback (Trade Paperback (Us))
Content Language:
English
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Page Count:
42
Carton Quantity:
97
Product Dimensions:
8.50 x 0.09 x 11.00 inches
Weight:
0.27 pound(s)
Country of Origin:
US
Subject Information
BISAC Categories
Science | Space Science - General
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Hi-Nicalon fiber reinforced celsian matrix composites were characterized by Raman spectroscopy and imaging, using several laser wavelengths. Composite #1 is reinforced by as-received fibers while coatings of p-BN and SiC protect the fibers in composite #2. The matrix contains traces of the hexagonal phase of celsian, which is concentrated in the neighborhood of fibers in composite #1. Some free silicon was evident in the coating of composite #2 which might involve a {BN + SiC yields BNC + Si} "reaction" at the p-BN/SiC interface. Careful analysis of C-C peaks revealed no abnormal degradation of the fiber core in the composites. Gouadec, Gwenael and Colomban, Philippe and Bansal, Narottam P. Glenn Research Center NASA/TM-2000-210349, NAS 1.15:210349, E-12398
Show More