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magnetic powder test

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  • 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

  • Magnetic tape sound recording — Klaudia Wilde from the German WDR radio archive with a broadcast tape from 1990 The use of magnetic tape for sound recording originated around 1930. Magnetizable tape revolutionized both the radio broadcast and music recording industries. It did… …   Wikipedia

  • List of magnetic hills — A magnetic, or gravity hill is an optical illusion where a downwards slope appears upwards. This article is a list of such locations. Many have no specific name and are instead often simply referred to as Gravity Hill or Magnetic Hill… …   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

  • Dynamometer — For the dynamometer used in railroading, see dynamometer car .A dynamometer or dyno for short, is a machine used to measure torque and rotational speed (rpm) from which power produced by an engine, motor or other rotating can be calculated.A… …   Wikipedia

  • Magnaflux — /mag neuh fluks /, Trademark. a test of ferrous metals involving the dusting of a magnetized sample with magnetic powder, or the application of oil containing magnetic particles in suspension, to detect surface cracks and defects. * * * …   Universalium

  • 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

  • metallurgy — metallurgic, metallurgical, adj. metallurgically, adv. metallurgist /met l err jist/ or, esp. Brit., /meuh tal euhr jist/, n. /met l err jee/ or, esp. Brit., /meuh tal euhr jee/, n. 1. the technique or science of working or heating metals so as… …   Universalium

  • Maglev — JR Maglev at Yamanashi, Japan test track in November 2005 …   Wikipedia

  • Maglev (transport) — MAGLEV, or magnetic levitation, is a system of transportation that suspends, guides and (usually) propels vehicles, predominantly trains, using magnetic forces. This method has the potential to be faster, quieter and smoother than wheeled mass… …   Wikipedia

  • steel — steellike, adj. /steel/, n. 1. any of various modified forms of iron, artificially produced, having a carbon content less than that of pig iron and more than that of wrought iron, and having qualities of hardness, elasticity, and strength varying …   Universalium

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