Clean surface assured for more sensitive inspection with fluorescent penetrant dye. Simple procedure devised to ensure visible (red) penetrant dye used to identify flaws in welded surface completely removed from surface. Consists in applying reversible penetrant developer to surface to be inspected.
Verifying Removal Of Red Penetrant Dye From Inspected Welds
NASA Tech Briefs ; 20 , 3
01.03.1996
Sonstige
Keine Angabe
Englisch
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