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A Study Of The Rain Erosion Of Plastics And Metals

Report Number: WADC TR 53-185
Author: Lapp, Roy R.
Author: Stutzman, Raymond H.
Author: Wahl, Norman E.
Corporate Author: Cornell Aeronautical Laboratory
Laboratory: Materials Laboratory
Date of Publication: 1954-02
Pages: 146
Contract: AF 33(600)-6469
AD Number: AD0029827

Based upon data obtained in studies of the relative rain erosion resistance of various types of materials, the general requirements needed for mnaximum erosion resistance can be quantitatively met by two properties which are the antithesis of each other. One; a relatively soft, tough, smooth elastomeric material and two; a hard, smooth, ductile material with high compressive strength. The first is typified by neoprene coatings such as Gaco N-79 and Goodyear 23-56. The second, by titanium and tough alloy steels such as 4130. To further define these requirements, studies of various materials were continued. Proposed tests and materials to be evaluated at Mach numbers above two, are discussed.

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