Open hole specimens, made from 3 mm thick aluminum 7075-T6 3627-48 clad sheet, were subjected to fighter aircraft load spectra. The influence on fatigue life of spectrum variations, e.g., severe negative maneuver loads, maximum load truncation and cycle omission was studied. Six load spectra, including fighter aircraft loading standard for fatigue evaluation (FALSTAFF) and a cycle truncated version of FALSTAFF, containing 9006 cycles per 200 flights, i.e., half the original number, were investigated. Severe negative maneuver loads as well as maximum load truncation reduce the fatigue life. Truncated FALSTAFF produces the same fatigue life as the original sequence.
Comparison of Different Fighter Aircraft Load Spectra
1982
16 pages
Report
Keine Angabe
Englisch
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