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Fatigue Strength of Airplane and Engine Materials (1934)
NASA Technical Reports Server (NTRS) · leaf 32
N.A.C.A. Technical Memorandum ITo. 743 Figs. 1,6 … Stress cycles a, Monel metal, ^ S3 kg/mm2 "b, 0.13:1C-steel, dfe = 47 kg/ram2 c, Nickel, 03 = 53 kg/mm2 ^ d, Refined duralSojj = 46 " 8 e, Pure aluminum, 03 = 17 kg/mm* f, Pine wood(Xief er) >6g=17kg/mm ugure 1.-Tension plotted against ramber of load reversals (in millions) for various materials.…NASA Technical Reports Server (NTRS)
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