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This report is concerned with the data obtained from the seven-year Point Reyes, California removals (second exposure). These exposed panels included 39 alloys of eight basis metals of the 1957 program.
Previous reports concerning this program may be found in the Committee B-3 reports in the ASTM Proceedings for 1959, 1961, and 1962 and in the Committee G-l report (1966 Proceedings).
A number of test panels were lost due to the work of vandals at the Point Reyes test site during the fall of 1962. A fence subsequently erected should protect panels still exposed for future years. Replacements for seven- and twenty-year panels for most alloys were exposed on 12 June 1964. The seven-year panels were removed by task group member T. J. Summerson on 6 June 1971 after a total of 2550 exposure days. The twenty-year test panels remain on the racks for subsequent removal.
corrosion, corrosion tests, atmospheric tests, metal corrosion, pitting, corrosion rates, aluminum, lead, magnesium, nickel, copper, molybdenum, titanium, zinc
Research scientist, Metallurgical Research Division, Reynolds Metals Company, Richmond, Va.