Strength Tests on Thin-walled Duralumin Cylinders in Torsion (1932)
NASA Technical Reports Server (NTRS) · leaf 18
12,000- -1—r-;-i—\— 1 1 o P.adiiiG/ thickness liadius, in, :^29 to 354 □ 7.5 ^3 I i ^- 7.5 453 to 472 CD I 10,000- "O 7,5' 530 to 700 + 15.0 658 to 721 O … ^ length/radius ratio r ^ - 340 Approximate radius/thiclcness ratio, t a, t 460 II = ^. n _ 680 c, n _ 940 d. II _ 1400 e, Fig.9 Shearing stress at failure.
NASA Technical Reports Server (NTRS)
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