Use of two fluorescent penetrants reveals cracks. New inspection technique for locating cracks in metal parts. Dual-dye technique used to inspect metal parts having surface-roughness-height ratings from 125 to 450 microinch (3.2 to 11.4 micrometer). Parts have included shot-peened machined aluminum extrusions; partially machined aluminum castings; aluminum, steel, and titanium tabular weldments; aircraft landing-gear components; chemically milled aluminum sheet and extrusions; and rough-machined aluminum and steel forgings. Also used on nonporous ceraminc parts.
Locating Cracks Amid Pitting and Corrosion
NASA Tech Briefs ; 10 , 3
1986-05-01
Sonstige
Keine Angabe
Englisch
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