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Rulon Bearings

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Ultracor® UCF-51-3/8-2.0 Honeycomb Core Material
Categories: Other Engineering Material; Composite Core Material

Material Notes: Construction: ±45° XN50. Fiber: Carbon XN50. Ultracor® is a very low density honeycomb core material designed for use in highly weight-sensitive structures.  It is expected that it will be used in spacecraft Antenna Reflectors, Optical Benches, Solar Arrays, and other lightly loaded structures which must be positioned with accuracy and stability in order to properly perform their intended purpose. It was developed using a space qualified, toughened, polycyanate matrix resin. General Ultracor® features include low density, design flexibility, low CTE, low CME, and high thermal conductivity.

Data provided by Ultracor Inc., formerly YLA Cellular Products Company.

Key Words: Carbon Fiber Composite Core Material; Carbon XN50
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Physical PropertiesOriginal ValueComments
Density 0.0320 g/cccore density
 
Mechanical PropertiesOriginal ValueComments
Compressive Yield Strength 1.41 MPa
Shear Modulus 0.331 GParibbon direction
Shear Strength 1.14 MParibbon direction
 
Thermal PropertiesOriginal ValueComments
CTE, linear 4.50 µm/m-°C
@Temperature 20.0 °C
across thickness
Thermal Conductivity 1.60 W/m-Ktransverse to ribbon
 2.20 W/m-Kribbon direction
 6.00 W/m-Kacross thickness

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EYLA00 / 6137

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