Anticorrosion test method and anticorrosion test equipment for coated metallic material
An anticorrosion test method for a coated metallic material may include: a preparation step of adding an artificial flaw at two positions of the coated metallic material; a first measurement step of measuring a size of the artificial flaw; a connection step of electrically connecting the artificial...
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| Sprache: | eng |
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| Zusammenfassung: | An anticorrosion test method for a coated metallic material may include: a preparation step of adding an artificial flaw at two positions of the coated metallic material; a first measurement step of measuring a size of the artificial flaw; a connection step of electrically connecting the artificial flaws at the two positions by an external circuit via water-containing materials; an energization step of energizing a steel sheet to produce a bulge of an electrodeposition coating film; a second measurement step of measuring size of the bulge of the electrodeposition coating film; a calculation step of calculating a degree of progress of corrosion of the coated metallic material; and a correction step of correcting the degree of the progress of the corrosion. |
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