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Problems Involved in the Choice and Use of Materials in Airplane Construction (1932)
NASA Technical Reports Server (NTRS) · leaf 29
N.A.C.A. Technical Momoriindin:! Ho,658 Figs;9,10* … Fig. 9 Vibra tion strength iindor initial static stress within safe limits. Banded ITotchod (I) (a) 0.2 p = u.D lan ill ■2d-*i p ~ 0 • 5 rmn Fig.10 Hotched and "baadod test rods for determining influence of stress increments on fatigue atreng'tii. a), ITotched according to Ludwiic. b), Banded…NASA Technical Reports Server (NTRS)
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