Pulsed Stories

https://www.bkneddy.com/development-of-pulsed-eddy-current-inspection.html Pulsed eddy current inspection technology is a new non-destructive testing technology for subsurface defect detection.

https://www.bkneddy.com/application-of-pulsed-eddy-current-testing-in-equipment-corrosion.html In equipment maintenance and management, corrosion detection is a crucial step. Although traditional detection techniques are effective, with technological advancements, pulse eddy current testing has become an efficient and accurate new alternative. This article will explore the application of pulsed eddy current equipment corrosion detection and reveal its significant benefits.

https://www.bkneddy.com/magnetic-flux-leakage-testing-equipment/ What is flux leakage Electromagnetic detection is a very important non-destructive testing method and is widely used. Magnetic flux leakage testing is a magnetic method of nondestructive testing that is used to detect corrosion and pitting in steel structures, most commonly pipelines and storage tanks.

https://www.bkneddy.com/a-brief-discussion-of-pulsed-eddy-current-technique-for-ndt.html Pulsed eddy current technique is an advanced non-destructive testing method based on the principle of electromagnetic induction. By analyzing the excitation and response signals in a short time, it can effectively detect internal defects and their characteristics in materials. This article will delve into the principles of pulsed eddy current technique, its influencing factors, and its advantages in practical applications.

https://www.bkneddy.com/application-of-ultrasound-in-practical-work-of-weld-flaw-detector.html Application of Ultrasound in Practical Work of Weld Flaw Detector After receiving the task of flaw detection, the first thing is to understand the technical requirements of the drawings for welding quality. Ultrasound is used in full penetration weld flaw detector. Its flaw detection ratio is calculated by the percentage of each weld length, and it is not less than 200 mm. For locally inspected welds, if there is an impermissible defect, the inspection length should be increased at the extension of both ends of the defect. The increase length should not be less than 10% of the length of the weld, and it should not be less than 200 mm. When there are still impermissible defects, 100% flaw detection should be carried out for the weld. Secondly, when using the weld flaw detector, the timing of flaw detection should be clear. Carbon structural steel should be tested after the weld cooling to the ambient temperature and low alloy structural steel can be tested 24 hours after the completion of welding. In addition, the thickness of base metal, joint type and groove type of the workpiece to be measured should be known in use. Generally, the base metal thickness of weld flaw detector is between 8 and 16 mm. The groove type includes I type, single V type and X type. The preparatory work before flaw detection can be carried out only after making clear the above.

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