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Weld leaks rapidly and safely detected

Abstract

Test method detects leaks that occur during hydrostatic pressure testing of welded joints in metal tanks. A strip of aluminum foil and a strip of water-soluble paper are placed over the weld. A voltage applied between the tank wall and the foil strip is monitored to detect a decrease in ohmic resistance caused by water leakage into the paper layer

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19650000263oai:casi.ntrs.nasa.gov:19650000263
Last time updated on May 31, 2013View original full text link

This paper was published in NASA Technical Reports Server.

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