研究目的
To evaluate the applicability of excilamps in fluorescent penetrant testing by comparing their technical parameters and experimental effects with those of mercury UV lamps and LED UV flashlights.
研究成果
XeCl excilamps are viable for fluorescent penetrant testing, providing clear and distinct luminescence indications without background light issues seen with other sources. They offer advantages in environmental safety, service life, and operational convenience. Future research should develop compact, autonomously powered prototypes and explore applications for large surface irradiation.
研究不足
The study focused on specific UV sources and penetrants; generalizability to other materials or conditions may be limited. The experimental setup used fixed distances and conditions, which might not cover all real-world scenarios. Future work could involve optimizing excilamp design for compactness and autonomous power.
1：Experimental Design and Method Selection:
The experiment involved comparative analysis of UV radiation sources (excilamps, mercury UV lamp, LED UV lamp) for fluorescent penetrant testing. Radiation spectra were recorded, luminescence intensity was measured, and defect detectability was assessed using control samples.
2：Sample Selection and Data Sources:
Control samples of sensitivity class II (e.g., Magnaflux Z-5, samples from RD-13-06-2006) and fluorescent penetrants (Magnaflux Zyglo ZL-60C, Bycotest FP42, Sherwin Dubl-Chek HM-3A) were used.
3：List of Experimental Equipment and Materials:
UV radiation sources (Magnaflux ZB-100F, Labino Torch Spotlight, XeCl excilamp), radiation sensor (TKA-PCM), digital camera (Nikon D40), tripod, and marked surfaces for irradiance measurement.
4：Experimental Procedures and Operational Workflow:
Radiation spectra were recorded; luminescence intensity was measured for different penetrants excited by UV sources; UV irradiance distribution was measured over a surface at 400 mm distance with 5 cm steps; defect detectability was tested on control samples using various UV sources and penetrants, with results recorded by camera.
5：Data Analysis Methods:
Spectra analysis, comparison of luminescence intensities, construction of 3D graphs for irradiance distribution, and visual inspection of defect indications.
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