FCP Report No. 31

Effect of Spectrum Editing on Fatigue Crack Initiation and Propagation in a Notched Member

by

Darrell F. Socie and Paul J. Artwohl
Department of Mechanical Engineering

Abstract

Accelerating component fatigue tests by editing nondamaging events from field loading histories will result in substantial reductions in test time. This report describes analytical techniques for editing the spectra as well as experimental varification of the procedures.

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