Stress-Corrosion Cracking of Aluminum Alloy Fittings in a Marine Atmosphere
During a routine inspection, cracks were discovered in several aluminum alloy (similar to either 2014 or 2017) coupling nuts on the fuel lines of a missile. The fuel lines had been exposed to a marine atmosphere for six months while the missile stood on an outdoor test stand near the seacoast. A complete check was then made, both visually and with the aid of a low-power magnifying glass, of all coupling nuts of this type on the missile. Investigation (visual inspection, spectrographic and chemical analysis, and metallographic examination) supported the conclusion that the cracking of the aluminum alloy coupling...
Stress-Corrosion Cracking of Aluminum Alloy Fittings in a Marine Atmosphere, ASM Failure Analysis Case Histories: Offshore, Shipbuilding, and Marine Equipment, ASM International, 2019, https://doi.org/10.31399/asm.fach.marine.c0091669
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