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Bleed out (pt)
| Глоссарий терминов по технологиям неразрушающего контроля (NDT) |
The action by which the penetrant exudes out of the discontinuities onto the surface of a component, due primarily to “capillary action” and to “blotting” or “soaking up” effect of the developer.
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Blotting (pt), английский
The action of the developer in soaking up the penetrant from the surface of the discontinuity, so as to cause maximum bleed out of the dye penetrant for increased contrast and sensitivity.
Dark adaption, английский
The ability of the eye to adjust so that objects, lights, or colors can be seen in darkened areas. this is important when performing a fluorescent penetrant, fluorescent magnetic particle inspections or when interpreting radiographic film.
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