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Alternative Quantitative Methods for Screening Penetrant Testing Cleaning Solutions
Figure 1-3
Figure 1
Figure 1 - Schematic of the FPI data acquisition method. Angle of incidence of photometer = 45 degrees. Distance to specimen (with specimen in place) = 89 mm (3.5 in.). Angle of incidence of ultraviolet light = 60 degrees. Distance to specimen (with specimen in place) = 203 mm (8 in.). Angle of arm of ultraviolet light = 10 degrees. Angle of photometer with respect to ultraviolet light = 90 degrees. Ultraviolet light intensity = 1.54 lm ± 0.007.
Figure 2
Figure 2 - Schematic of the ultraviolet intensity measurement.
Figure 3
Figure 3 - Schematic illustrating the obscuring of crack indications.
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