publication . Doctoral thesis . 1998

Aluminum 7075-T6 fatigue data generation and probabilistic life prediction formulation

Kemna, John G.;
Open Access English
  • Published: 01 Sep 1998
  • Publisher: Monterey, California. Naval Postgraduate School
Abstract
Approved for public release; distribution is unlimited. The life extension of aging fleet aircraft requires an assessment of the safe-life remaining after refurbishment. Risk can be estimated by conventional deterministic fatigue analysis coupled with a subjective factor of safety. Alternatively, risk can be quantitatively and objectively predicted by probabilistic analysis. In this investigation, a general probabilistic life formulation is specialized for constant amplitude, fully reversed fatigue loading utilizing conventional breakdown laws applied to the general probability damage function. Experimental data was collected both as a bench mark data base, as w...
Subjects
free text keywords: Aluminum 7075-T6, Fatigue-life prediction, Fatigue data base, Probability, Reliability, Damage accumulation, Maximum likelihood analysis
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