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magnetic flux leakage

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

  • Leakage inductance — is that property of an electrical transformer that causes a winding to appear to have some inductance in series with the mutually coupled transformer windings. This is due to imperfect coupling of the windings and creation of leakage flux which… …   Wikipedia

  • Magnetic circuit — Magnetic Circuits Conventional Magnetic Circuits Magnetomotive force Magnetic flux Φ Magnetic reluctance Phasor Magnetic Circuits Complex reluctance Zμ …   Wikipedia

  • Magnetic lock — A magnetic lock is a simple locking device that consists of an electromagnet and armature plate. By attaching the electromagnet to the door frame and the armature plate to the door, a current passing through the electromagnet attracts the… …   Wikipedia

  • leakage — /lee kij/, n. 1. an act of leaking; leak. 2. something that leaks in or out. 3. the amount that leaks in or out. 4. Com. an allowance for loss by leaking. 5. Physics, Elect. the loss of all or part of a useful agent, as of the electric current… …   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

  • coefficient of leakage — the ratio of total magnetic flux to useful flux …   Useful english dictionary

  • 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

  • Hall effect — For the Colombian band, see The Hall Effect (band). The Hall effect is the production of a voltage difference (the Hall voltage) across an electrical conductor, transverse to an electric current in the conductor and a magnetic field perpendicular …   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

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