#Detail enhancement patent technology,HATA JW 2018,NDT Equipment

HATA JW 2018,NDT Equipment ndt x ray equipment,portable digital radiography system #Detail enhancement patent technology 0_2560*2048.raw(150%) 2560*2048 pixels;16-bit,10MB Email : peng@hata-ndt.com

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Magnetic yokes,Magnetic particle inspection---magnetic and electromagnetic induction,2018 hatatest

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Magnetic ---refers to the magnetic properties of metals; in practical terms, permanent magnets, electrical materials can be made from magnetic materials (metals), and magnetic materials can be used to check for cracks in magnetic metals. Electromagnetic induction ---the phenomenon that the magnetic flux through the closed loop changes, and the electromotive force is generated in the loop is called electromagnetic induction; thus the electromotive force is called induced electromotive force. If the conductor is a closed loop, there will be current flowing, and the current is called Inductive current; transformers, generators, and various inductors all work according to the principle of electromagnetic induction. Email : peng@hata-ndt.com
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Magnetic particle,magnetic particle inspection protocol,Magnetic yoke,Magnetic particle inspection and scope of application

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Contents covered by the  magnetic particle inspection protocol 1. The scope of application of the regulations; 2. Magnetization method (including magnetization specification, preparation of workpiece surface); 3, magnetic powder (including particle size, color, magnetic suspension and fluorescent magnetic suspension preparation) 4, test strips; 5. Technical operation; 6. Quality assessment and inspection records. Magnetic particle  testing range 1. It is suitable for detecting cracks on the surface and near surface of ferromagnetic materials with small size, extremely narrow gaps and visually invisible defects. 2, suitable for testing martensitic stainless steel and precipitation hardening stainless steel materials, not suitable for testing austenitic stainless steel materials. 3. It is suitable for testing raw materials (such as steel billets) and processed semi-finished products, finished parts and in-service and used workpieces. 4, suitable for testing pipe bar sheet metal and
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#Magnetic particle,Magnetic particle flaw detector,Magnetic yokes

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Basic knowledge of  magnetic particle flaw detector 1. According to the magnetization direction of the workpiece, it can be divided into circumferential magnetization method, longitudinal magnetization method, composite magnetization method and rotating magnetization method. 2. according to the different magnetizing current can be divided into: DC magnetization method, half-wave DC magnetization method, and AC magnetization method. 3. According to the preparation of magnetic powder used in the flaw detection, it can be divided into dry powder method and wet powder method. Principle of  magnetic particle inspection Its basic principle is: when the workpiece is magnetized, if there is a defect on the surface of the workpiece, magnetic leakage occurs due to the increase of the magnetic resistance at the defect, and a local magnetic field is formed, and the magnetic powder shows the shape and position of the defect here, thereby judging the defect. The presence. Email : peng@hata-
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