The influence of different types of anodic layers on the fatigue properties of 202U-T3 and 7056-T6 sheet material

Report (1980)
Copyright: Campus only
Strain rate Aluminum alloys Electron microscopy Fractography Flight simulation Chromic acid Fatigue life Gust loads Fatigue strength Crack initiation Fatigue tests Phosphoric acid Sealing Anodic coatings Surface cracks Sulphuric acid
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Published Date

31-07-1980

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Source:

NLR-TR 80077 U

Abstract

Constant amplitude and flight simulation fatigue tests have been carried out on sulphuric acid, chromic acid and phosphoric acid anodized specimens. A comparison was made with the fatigue behaviour of bare sheet material. Before fatigue testing the fracture strain of the anodic layers was determined.