Electrochemical polishing of thread fastener test specimens of nickel-chromium iron alloys
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United States of America Patent
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Nov 5, 1991
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N/A
app pub date -
Jul 3, 1990
filing date -
Jul 3, 1990
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Expired
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Abstract
An electrochemical polishing device and method for selective anodic dissolution of the surface of test specimens comprised, for example, of nickel-chromium-iron alloys, which provides for uniform dissolution at the localized sites to remove metal through the use of a coiled wire electrode (cathode) placed in the immediate proximity of the working, surface resulting in a polished and uniform grain boundary.
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