Magnetic particle detection and flaw detection technology is a very effective and practical non-destructive testing method. Its working principle is: once the ferromagnetic material is magnetized, continuous damage will change the surface and nearby magnetic lines, and its magnetic field will follow. The change occurs in the case of distortion or magnetic leakage.
Due to the interaction of magnetic induction, the magnetic powder around the magnetic field will form different magnetic marks under the action of different magnetic lines of force. By observing these features, the shape, size and severity of the internal defects of the container can be visually detected. The main application of magnetic particle detection technology is the ability to detect specific defects efficiently and sensitively when cracks, white spots, folds and debris are present in the ferromagnetic material.
The outstanding advantage of magnetic particle testing is that it can directly reflect the specific location of the container defect, and carry out precise deterministic analysis, which can detect a very small range, and detect the internal crack of the container with a simple detection operation process.
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