Journal Published Online: 01 September 1978
Volume 6, Issue 5

Fatigue Crack Arrest at Low Stress Intensities in a Corrosive Environment

CODEN: JTEVAB

Abstract

Crack opening displacement measurements and scanning electron microscope observations were used to investigate the cause of fatigue crack arrest that occurred in compact specimens of several aluminum alloys at low stress intensities in simulated sump water. The observations for 7475-T7351 specimens indicate that the crack arrest resulted from a progressive buildup of corrosion product on the crack surface.

Author Information

Nordmark, GE
Alcoa Laboratories, Alcoa Center, Pa.
Fricke, WG
Alcoa Laboratories, Alcoa Center, Pa.
Pages: 3
Price: $25.00
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Stock #: JTE10568J
ISSN: 0090-3973
DOI: 10.1520/JTE10568J