SNAME Los Angeles Section Hears Paper On 'Carbon Fiber For Marine Structure

The fourth meeting of the season for the Los Angeles Metropolitan Section of The Society of Naval Architects and Marine Engineers was held on February 14, 1974, at the Princess Louise Ship Restaurant in the Port of Los Angeles.

The meeting was well attended and was preceded by a dinner and social hour.

An extremely interesting paper was presented by Richard H.

Dougherty of the E lee-Trans Co.

The paper was entitled "Carbon Fiber for Marine Structure." Carbon fiber is made from a yard fiber o'f a hydrocarbon compound such as rayon, nylon, etc. The method of fabrication is to pyro'lize the yard under vacuum, remove the hydrogen constituents, leaving the carbon as a filament. The problem now is to find a suitable matrix material for the carbon fiber. Glass composites are common in boat construction, and the common matrix is polyester resin. Another commercial field that is successfully producing a cheap and superior matrix material is the electrical insulation field. The material is plastic impregnated hydraulic cement and the impregnant is a modified polyester. The cement is a compounded one and the aggregate is ceramic.

The successful application of this material in a maritime vehicle would completely change naval tactics and make a good forward step in international trade, commerce and travel.

Maritime Reporter Magazine, page 39, Apr 1974

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