Life Estimate Of Fatigue Sensitive Structures

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Report Number: ML TDR 64-300
Author(s): Freudenthal, A. M.
Corporate Author(s): Ohio State Univ Research Foundation Columbus
Laboratory: Air Force Materials Laboratory
Date of Publication: 1964-09
Pages: 11
Contract: AF 33(657)-8741
DoD Project: 7351 - Metallic Materials
DoD Task: 735106 - Behavior of Metals
Identifier: AD0608073

Abstract:
By defining fatigue failure as an ultimate load failure of a structure damaged in fatigue by operational loads, the estimate of fatigue life can be reduced to that of a mean return period of an ultimate load type of failure for which statistical methods of safety analysis have already been developed. By applying such methods in conjunction with a simple fatigue damage function the fatigue sensitivity of a structure can be evaluated in terms of the ratio of the return periods of fatigue failure and ultimate load failure, as suggested in WADD Technical Report 61-53, July 1961.

Provenance: Lockheed Martin Missiles & Fire Control

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