Syntatic Foams for Deep Sea Engineering Applications

by Israel Resnick, Staff Engr.; American Natl. Standards Inst., New York, NY; formerly, Sr. Task Leader, Naval Applied Sci. Lab, Brooklyn, NY,
Aleksander Macander, Engr.; Johns Manville Res. Center, Manville, NJ; formerly, Mech. Engr., Naval Applied Sci. Lab., Brooklyn, NY,

Serial Information: Journal of the Construction Division, 1970, Vol. 96, Issue 1, Pg. 45-60

Document Type: Journal Paper


Syntactic foam is a composite light weight material consisting of a low density hollow microsphere filler embedded in a resin matrix. The resulting curved material is a solid which was either cast or machined into the desired shape. Syntactic foams have a wide variety of buoyancy and structural applications in the deep ocean where light weight, high strength and resistance to water absorption are important criteria. The physical properties of a family of syntactic foam materials as well as variables which permit foam properties to be adjusted to meet specific requirements are analyzed. The behavior of syntactic foam under hydrostatic exposure and its stability after exposure are reported. Nondestructive (NDT) test procedures for quality control and estimated material costs are reviewed.

Subject Headings: Foaming (material) | Composite materials | Seas and oceans | Physical properties | Material tests | Matrix (mathematics) | Curvature | Solid mechanics

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