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Fluorescent Penetrant Testing
Penetrant testing is widely used for the detection of surface-opening defects in non-porous materials, such as metals, ceramics, and plastics, and can provide comprehensive, one-time inspection even for defects with complex geometries.
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keyword： Fluorescent Penetrant Testing
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Product Description
Penetrant testing is widely used for the detection of surface-opening defects in non-porous materials, such as metals, ceramics, and plastics, and can comprehensively inspect even complexly shaped defects in a single pass. It is primarily employed to detect cracks, white spots, porosity, and inclusions, among other defects. No additional equipment is required; during field inspections, portable, canned penetrant testing kits are commonly used, which consist of three components—penetrant, developer, and cleaning agent—making them convenient for on-site application.
Fluorescent Penetrant Testing
This nondestructive testing method employs a penetrant containing fluorescent material; after cleaning, the penetrant remaining in defects is drawn out by a developer. Irradiation with a UV light source causes the fluorescent material to emit longer-wavelength visible light. The irradiated surface of the test piece is then examined in a darkroom, and the size, location, and morphology of defects are determined based on the resulting fluorescent indications. This technique is widely used in industries such as machinery, aerospace, and defense.
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