High temperature adhesives with good thermal conductivity, mechanical performance, and long term durability are crucial for the assembly of heat rejection system components for space exploration missions. In the present study, commercially available adhesives (epoxies, silicones, and ceramic bonding materials) were used to bond high conductivity carbon-carbon composites to titanium sheets. Bonded pieces were also exposed to high (530 to 600 Kelvin for 24 hours) and low (liquid nitrogen 77 K for 15 minutes) temperatures to evaluate the integrity of the bonds. Results of the microstructural characterization and tensile shear strengths of bonded specimens will be reported. The effect of titanium surface roughness on the interface microstructure will also be discussed.
Adhesive bonding of titanium to carbon-carbon composites for heat rejection systems
2007
8 Seiten, 3 Bilder, 2 Tabellen, 5 Quellen
Conference paper
English
Secondary bonding of carbon/carbon composites
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