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magnetic-flux-leakage testing

См. также в других словарях:

  • Magnetic flux leakage — (MFL) 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. At… …   Wikipedia

  • Magnetic-particle inspection — (MPI) is a non destructive testing (NDT) process for detecting surface and subsurface discontinuities in ferroelectric materials such as iron, nickel, cobalt, and some of their alloys. The process puts a magnetic field into the part. The piece… …   Wikipedia

  • Nondestructive testing — or Non destructive testing (NDT) is a wide group of analysis techniques used in science and industry to evaluate the properties of a material, component or system without causing damage.[1] The terms Nondestructive examination (NDE),… …   Wikipedia

  • Electromagnetic testing — (ET), as a form of nondestructive testing, is the process of inducing electric currents or magnetic fields or both inside a test object and observing the electromagnetic response. If the test is set up properly, a defect inside the test object… …   Wikipedia

  • materials testing — Introduction       measurement of the characteristics and behaviour of such substances as metals, ceramics, or plastics under various conditions. The data thus obtained can be used in specifying the suitability of materials for various… …   Universalium

  • Leakage — describes an unwanted loss, or leak, of something which escapes from its proper location. In everyday usage, leakage is the gradual escape of matter through a leak hole. [ [http://www.m w.com/dictionary/leaking Merriam Webster] ] In different… …   Wikipedia

  • Eddy-current testing — uses electromagnetic induction to detect flaws in conductive materials. There are several limitations, among them: only conductive materials can be tested, the surface of the material must be accessible, the finish of the material may cause bad… …   Wikipedia

  • Magnaflux — Magnetic Particle Inspection , developed originally by Alfred Victor (A.V.) de Forest and Foster Baird (Bic) Doane, and developed further with the assistance of Carl E. Betz, is a method of testing ferrous metals for surface and subsurface… …   Wikipedia

  • Rail inspection — is the practice of examining rail tracks for flaws that could lead to catastrophic failures. According to the United States Federal Railroad Administration Office of Safety Analysis, [ [http://safetydata.fra.dot.gov/officeofsafety/ Federal… …   Wikipedia

  • Tubular NDT — (nondestructive testing) is the application of various technologies to detect anomalies such as corrosion and manufacturing defects in metallic tubes. Tubing can be found in such equipment as boilers and heat exchangers. To carry out an… …   Wikipedia

  • Proof test — A proof test is a test wherein a deliberately overpressured round is fired from a firearm in order to verify that the firearm is not defective and will not explode on firing. The firearm is inspected after the test, and if it is found to be in… …   Wikipedia

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