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Li HUI
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  • nanjing
  • China, mainland
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Magnetic Flux Leakage Testing Equipment

Electromagnetic detection is a very important non-destructive testing method and is widely used. Magnetic flux leakage is a magnetic method of nondestructive testing that is used to detect corrosion and pitting in steel structures, most commonly pipelines and storage tanks. The basic principle is that a powerful magnet is used to magnetize the steel. When used in combination with other methods, it provides a quick and inexpensive assessment of the workpiece of ferromagnetic materials. With the…See More
Sep 16, 2019
Li HUI posted a blog post

Benchtop Magnetic Flux Leakage Testing Equipment

MFI Magnetic flux leakage test refers to the formation of a leakage magnetic field on the surface of a test piece after it is magnetized due to defects on the surface or near-surface of the test piece. People can detect defects by detecting changes in the leakage magnetic field.Briefly describe the limitations of the magnetic flux leakage detection method.The limitations of the…See More
Aug 23, 2019
Li HUI posted blog posts
Aug 22, 2019
Li HUI posted blog posts
Aug 21, 2019
Li HUI posted a blog post

Portable Magnetic Flux Leakage Testing Equipment

Magnetic flux leakage test refers to the formation of a leakage magnetic field on the surface of a test piece after it is magnetized due to defects on the surface or near-surface of the test piece. People can detect defects by detecting changes in the leakage magnetic field. Briefly describe the magnetization of ferromagnetic components. In the magnetic non-destructive testing, magnetization is the first step to realize the detection, which determines whether the leakage magnetic field signal…See More
Aug 19, 2019
Li HUI posted a blog post

ECT For Automotive And Aerosapce

Eddy current testing technology has been widely used in the detection of metal components in the automotive and aerospace industry. In order to ensure the flight safety of the aircraft, the relevant components must be periodically inspected. The eddy current technology is usually used to detect aero-engine blade cracks, bolts, cracks in the screw holes, multi-layer structure of the aircraft, landing gear, wheels and aluminum skin as the…See More
Aug 18, 2019
Li HUI posted blog posts
Aug 17, 2019
Li HUI posted a blog post

EDM Notch

An electric pulse is a pulse generated by electrons, and a pulse is a process of changing a voltage in a short time. Electropulsing is an unsteady current field generated by a capacitor or an intermittent source. The alternating current we use can be regarded as a pulse current, and one of the cycle processes can be regarded as an electrical pulse. Modern electric pulse technology has developed to the trend of higher frequency and high energy peaks. It has a wide range of applications in…See More
Aug 15, 2019
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Aug 14, 2019

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Li HUI's Blog

Wireless Transmission Pipe Ultrasonic Flaw Detector

Posted on November 17, 2019 at 8:30pm 0 Comments

The system is suitable for the automatic detection of various internal and external defects of steel pipes. The principle of ultrasonic flaw detection is that after the ultrasonic wave is coupled into the steel pipe through water, the incident propagation will cause ultrasonic reflection when there is a defect in the pipe. The ultrasonic instrument will alarm the ultrasonic reflected signal after realizing the signal to realize the automatic detection of the defect; Transmission ultrasonic…

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Portable Magnetic Flux Leakage Testing Equipment

Posted on November 16, 2019 at 8:30pm 0 Comments

Magnetic flux leakage test refers to the formation of a leakage magnetic field on the surface of a test piece after it is magnetized due to defects on the surface or near-surface of the test piece. People can detect defects by detecting changes in the leakage magnetic field.

 

Briefly describe the magnetization of ferromagnetic components. In the magnetic non-destructive testing, magnetization is the first step to realize the detection, which determines whether the leakage…

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MFL-7389 Tube Magnetic Flux Leakage Detector

Posted on November 15, 2019 at 8:30pm 0 Comments

Tubing repair is an important measure to reduce the comprehensive cost of production in oil production plants to improve the quality of repairing tubing. It can ensure the quality of oil and water wells to prolong the inspection cycle, reduce the rework of operations and reduce operating costs.  

 

As an important process in the tubing repair test line, the…

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Ndt Application in Automotive Industry

Posted on November 14, 2019 at 8:30pm 0 Comments

(1) Ndt Application in Automotive Industry -Ultrasound Testing of Automobile Half-axle

 

Fracture failure of half axle is mainly due to high frequency and low-stress fatigue damage, and the existence of internal defects of workpiece is one of the important reasons for fatigue fracture. Ultrasound can be used to inspect the raw materials of the semi-axle and the semi-finished products after forging.

 

When diagnosing, the high-frequency electric pulse is…

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