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Rod Catanach holding the newly developed syntactic foam for Alvin upgrade.

Rod Catanach holding the newly developed syntactic foam for Alvin upgrade.
Rod Catanach holding the newly developed syntactic foam for Alvin upgrade.
Rod Catanach holding the newly developed syntactic foam for Alvin upgrade.
Rod Catanach holding the newly developed syntactic foam for Alvin upgrade.
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332961
Kleindinst Thomas, N.
Rod Catanach holding the newly developed syntactic foam for Alvin upgrade.
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11/06/2008
graphics/Rod_Catanach/_TOM1868.jpg
Image of The Day caption:
WHOI engineer Rod Catanach shows off foam used to keep several deep sea vehicles buoyant, including Alvin and Nereus. It's a durable, light-weight material; engineers use syntactic foam, a matrix of billions of microscopic hollow glass spheres embedded in a hard epoxy resin. The resulting product is hard enough to resist crushing under extreme pressure, yet it is lighter than water and thus provides buoyancy to lift a 36,000-pound undersea vehicle, said Catanach, a WHOI engineer overseeing the foam's development for the development of Alvin's replacement vehicle.
Photo by Tom Kleindinst
© Woods Hole Oceanographic Institution
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