High-resolution video measures thickness accurately without interfering with process. Camera views cylindrical part through filter during plasma spraying. Lamp blacklights part, creating high-contrast silhouette on video monitor. Width analyzer counts number of lines in image of part after each pass of spray gun. Layer-by-layer measurements ensure adequate coat built up without danger of exceeding required thickness.
Monitoring Coating Thickness During Plasma Spraying
NASA Tech Briefs ; 14 , 9
1990-09-01
Sonstige
Keine Angabe
Englisch
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