DEVELOPMENT OF HIGH PERFORMANCE ROCKET MOTOR CASE
Final summary rept. no. 23, 21 June 1960-30 Nov 1962
BUDD CO PHILADELPHIA PA
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The results of work performed during the contract period June, 1960 to November, 1962 on the development of a high performance rocket motor case using high strength sheet and strip metal are discussed. Metallurgical evaluation of 12 ferrous and nonferrous alloys selection of 20 nickel maraging steel for application to case design of a 20 inch diameter by 40 inch long test case development of a helical welding technique for fabricating cylinders from strip development of a process to form hemispherical and elliptical heads from low elongation alloys fabrication and hydrotest of a 20 inch test case unidirectional ingot solidification of AISI 4340 and 25 nickel maraging steels are summarized.
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