Self-imaging water-washed fluorescent penetrant secondary sensitivity experiment

1, Experimental tools: FiNDT-6000 LED fluorescent flaw detection lamp, a certain brand of American brand water-washable secondary sensitivity fluorescent penetrant, sensitivity test block, crumb removal paper.

2. Experimental steps: cleaning the test block before infiltration--drying the test block--infiltration and dripping--cleaning and drying--observation.

3. The experimental results are as follows:

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