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AN EXPERIMENTAL STUDY OF THE CREEP BUCKLING OF CIRCULAR CYLINDRICAL SHELLS UNDER AN AXIALLY APPLIED COMPRESSION.
STANFORD UNIV CALIF DEPT OF AERONAUTICS AND ASTRONAUTICS
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The use of electroforming to produce circular cylindrical shells is described. Examples are cited for which the use of electroforming provides opportunities for the development of unique specimen designs and test procedures. The use of a tapered creep specimen to generate isochronous stress-strain curves is described. The procedure developed provides a method for deriving basic creep relationships form data obtained from a small number of tests. The results of creep buckling tests on circular cylindrical shells under axial compression are presented. The basic features described are the end-shortening history, the variation of buckling load with time, and the post-buckling pattern which is developed. Author
APPROVED FOR PUBLIC RELEASE