The program objective was to develop an accelerated laboratory corrosion test capable of simulating the severe corrosive effects of an aircraft carrier deployment environment. The current standard 5 % salt fog test is not severe enough to simulate the carrier environment, thus limiting its usefulness in forecasting corrosion failures. To provide test standards, representative electrical and electronic units were exposed on an oil burning carrier during a 9 month tropical cruise and on a nuclear carrier during a 10 month tropical cruise. A series of laboratory tests were run to identify corrosion environments which provide good correlation with actual carrier results. The tests were also judged on their ability to promote moisture related electrical failures. During the final phase of the program, 25 electronic and electrical components were exposed to the two most promising test methods. The selected test method is a modification of the NADC sulfur dioxide salt fog test. It utilizes a much higher exposure temperature and a dilute substitute ocean water solution for log generation, in one week this test method produces both corrosion damage and electrical failures that correlate with the condition of the test articles exposed for nine to ten months on an aircraft carrier.
Corrosion control test method for avionic components
Testverfahren zur Korrosionskontrolle an Flugzeugbauteilen
US Government Reports ; Sep ; 1-60
1981
60 Seiten
Report
Englisch
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