Strength Tests of Thin-Walled Duralumin Cylinders in Compression (1934)
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of diamond-shaped or wavelike axis has ever occurred except in tubes of small wrinkles. When buclding begins, circumferential radius/thickness ratio where the stresses have equaled tensions and compressions that are set up in the crests or exceeded the yield point. (See reference 2.) and troughs of… … 200 300 400 500 600 800 1,000 /,400 2, Radius r Thickness t Figure 9.-Effect of wrinkling prior to failure on the strength of thin-walled cylinders in compression. Tests by N.A.C.A. Curves A, B, and C obtained from figure 7. ure until the yield point of the material is reached to the buckling of…
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