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Mu-metal

Index Mu-metal

Mu-metal is a nickel–iron soft ferromagnetic alloy with very high permeability, which is used for shielding sensitive electronic equipment against static or low-frequency magnetic fields. [1]

58 relations: Alloy, Annealing (metallurgy), Bandwidth (signal processing), Capacitance, Carbon, Cathode ray tube, Chromium, Coercivity, Copper, Cryogenics, Crystal structure, Ductility, Electric field, Electric power, Electromagnetic shielding, Electron, Faraday cage, Fuze, Grain boundary, Hard disk drive, Heat treating, Hertz, Hydrogen, Hysteresis, Inductance, Iron, Josephson effect, Magnetic anisotropy, Magnetic cartridge, Magnetic domain, Magnetic field, Magnetic flux, Magnetic reluctance, Magnetic resonance imaging, Magnetocardiography, Magnetoencephalography, Magnetometer, Magnetostriction, Meissner effect, Molybdenum, Mu (letter), Naval mine, Nickel, Oscilloscope, Permalloy, Permeability (electromagnetism), Phonograph record, Photomultiplier, Radio frequency, Saturation (magnetic), ..., Sendust, Silicon, Submarine communications cable, Superconductivity, Supermalloy, Transformer, Vacuum chamber, Western Electric. Expand index (8 more) »

Alloy

An alloy is a combination of metals or of a metal and another element.

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Annealing (metallurgy)

Annealing, in metallurgy and materials science, is a heat treatment that alters the physical and sometimes chemical properties of a material to increase its ductility and reduce its hardness, making it more workable.

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Bandwidth (signal processing)

Bandwidth is the difference between the upper and lower frequencies in a continuous band of frequencies.

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Capacitance

Capacitance is the ratio of the change in an electric charge in a system to the corresponding change in its electric potential.

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Carbon

Carbon (from carbo "coal") is a chemical element with symbol C and atomic number 6.

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Cathode ray tube

The cathode ray tube (CRT) is a vacuum tube that contains one or more electron guns and a phosphorescent screen, and is used to display images.

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Chromium

Chromium is a chemical element with symbol Cr and atomic number 24.

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Coercivity

In electrical engineering and materials science, the coercivity, also called the magnetic coercivity, coercive field or coercive force, is a measure of the ability of a ferromagnetic material to withstand an external magnetic field without becoming demagnetized.

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Copper

Copper is a chemical element with symbol Cu (from cuprum) and atomic number 29.

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Cryogenics

In physics, cryogenics is the production and behaviour of materials at very low temperatures.

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Crystal structure

In crystallography, crystal structure is a description of the ordered arrangement of atoms, ions or molecules in a crystalline material.

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Ductility

Ductility is a measure of a material's ability to undergo significant plastic deformation before rupture, which may be expressed as percent elongation or percent area reduction from a tensile test.

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Electric field

An electric field is a vector field surrounding an electric charge that exerts force on other charges, attracting or repelling them.

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Electric power

Electric power is the rate, per unit time, at which electrical energy is transferred by an electric circuit.

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Electromagnetic shielding

Electromagnetic shielding is the practice of reducing the electromagnetic field in a space by blocking the field with barriers made of conductive or magnetic materials.

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Electron

The electron is a subatomic particle, symbol or, whose electric charge is negative one elementary charge.

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Faraday cage

A Faraday cage or Faraday shield is an enclosure used to block electromagnetic fields.

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Fuze

In military munitions, a fuze (sometimes fuse) is the part of the device that initiates function.

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Grain boundary

A grain boundary is the interface between two grains, or crystallites, in a polycrystalline material.

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Hard disk drive

A hard disk drive (HDD), hard disk, hard drive or fixed disk is an electromechanical data storage device that uses magnetic storage to store and retrieve digital information using one or more rigid rapidly rotating disks (platters) coated with magnetic material.

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Heat treating

Heat treating (or heat treatment) is a group of industrial and metalworking processes used to alter the physical, and sometimes chemical, properties of a material.

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Hertz

The hertz (symbol: Hz) is the derived unit of frequency in the International System of Units (SI) and is defined as one cycle per second.

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Hydrogen

Hydrogen is a chemical element with symbol H and atomic number 1.

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Hysteresis

Hysteresis is the dependence of the state of a system on its history.

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Inductance

In electromagnetism and electronics, inductance is the property of an electrical conductor by which a change in electric current through it induces an electromotive force (voltage) in the conductor.

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Iron

Iron is a chemical element with symbol Fe (from ferrum) and atomic number 26.

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Josephson effect

The Josephson effect is the phenomenon of supercurrent—i.e. a current that flows indefinitely long without any voltage applied—across a device known as a Josephson junction (JJ), which consists of two superconductors coupled by a weak link.

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Magnetic anisotropy

Magnetic anisotropy is the directional dependence of a material's magnetic properties.

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Magnetic cartridge

A magnetic cartridge, more commonly called a phonograph cartridge or phono cartridge or (colloquially) a pickup, is an electromechanical transducer used in the playback of analog sound recordings called records on a record player, now commonly called a turntable because of its most prominent component but formally known as a phonograph in the US and a gramophone in the UK.

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Magnetic domain

A magnetic domain is a region within a magnetic material in which the magnetization is in a uniform direction.

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Magnetic field

A magnetic field is a vector field that describes the magnetic influence of electrical currents and magnetized materials.

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Magnetic flux

In physics, specifically electromagnetism, the magnetic flux (often denoted or) through a surface is the surface integral of the normal component of the magnetic field B passing through that surface.

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Magnetic reluctance

Magnetic reluctance, or magnetic resistance, is a concept used in the analysis of magnetic circuits.

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Magnetic resonance imaging

Magnetic resonance imaging (MRI) is a medical imaging technique used in radiology to form pictures of the anatomy and the physiological processes of the body in both health and disease.

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Magnetocardiography

Magnetocardiography (MCG) is a technique to measure the magnetic fields produced by electrical activity in the heart using extremely sensitive devices such as the superconducting quantum interference device (SQUID).

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Magnetoencephalography

Magnetoencephalography (MEG) is a functional neuroimaging technique for mapping brain activity by recording magnetic fields produced by electrical currents occurring naturally in the brain, using very sensitive magnetometers.

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Magnetometer

A magnetometer is an instrument that measures magnetism—either the magnetization of a magnetic material like a ferromagnet, or the direction, strength, or relative change of a magnetic field at a particular location.

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Magnetostriction

Magnetostriction (cf. electrostriction) is a property of ferromagnetic materials that causes them to change their shape or dimensions during the process of magnetization.

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Meissner effect

The Meissner effect (or Meissner–Ochsenfeld effect) is the expulsion of a magnetic field from a superconductor during its transition to the superconducting state.

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Molybdenum

Molybdenum is a chemical element with symbol Mo and atomic number 42.

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Mu (letter)

Mu (uppercase Μ, lowercase μ; Ancient Greek μῦ, μι or μυ—both) or my is the 12th letter of the Greek alphabet.

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Naval mine

A naval mine is a self-contained explosive device placed in water to damage or destroy surface ships or submarines.

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Nickel

Nickel is a chemical element with symbol Ni and atomic number 28.

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Oscilloscope

An oscilloscope, previously called an oscillograph, and informally known as a scope or o-scope, CRO (for cathode-ray oscilloscope), or DSO (for the more modern digital storage oscilloscope), is a type of electronic test instrument that allows observation of varying signal voltages, usually as a two-dimensional plot of one or more signals as a function of time.

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Permalloy

Permalloy is a nickel–iron magnetic alloy, with about 80% nickel and 20% iron content.

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Permeability (electromagnetism)

In electromagnetism, permeability is the measure of the ability of a material to support the formation of a magnetic field within itself.

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Phonograph record

A phonograph record (also known as a gramophone record, especially in British English, or record) is an analog sound storage medium in the form of a flat disc with an inscribed, modulated spiral groove.

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Photomultiplier

Photomultiplier tubes (photomultipliers or PMTs for short), members of the class of vacuum tubes, and more specifically vacuum phototubes, are extremely sensitive detectors of light in the ultraviolet, visible, and near-infrared ranges of the electromagnetic spectrum.

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Radio frequency

Radio frequency (RF) refers to oscillatory change in voltage or current in a circuit, waveguide or transmission line in the range extending from around twenty thousand times per second to around three hundred billion times per second, roughly between the upper limit of audio and the lower limit of infrared.

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Saturation (magnetic)

Seen in some magnetic materials, saturation is the state reached when an increase in applied external magnetic field H cannot increase the magnetization of the material further, so the total magnetic flux density B more or less levels off.

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Sendust

Sendust is a magnetic metal powder that was invented by Hakaru Masumoto at Tohoku Imperial University in Sendai, Japan, about 1936 as an alternative to permalloy in inductor applications for telephone networks.

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Silicon

Silicon is a chemical element with symbol Si and atomic number 14.

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Submarine communications cable

A submarine communications cable is a cable laid on the sea bed between land-based stations to carry telecommunication signals across stretches of ocean and sea.

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Superconductivity

Superconductivity is a phenomenon of exactly zero electrical resistance and expulsion of magnetic flux fields occurring in certain materials, called superconductors, when cooled below a characteristic critical temperature.

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Supermalloy

Supermalloy is an alloy composed of nickel (75%), iron (20%), and molybdenum (5%).

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Transformer

A transformer is a static electrical device that transfers electrical energy between two or more circuits through electromagnetic induction.

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Vacuum chamber

A vacuum chamber is a rigid enclosure from which air and other gases are removed by a vacuum pump.

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Western Electric

Western Electric Company (WE, WECo) was an American electrical engineering and manufacturing company that served as the primary supplier to AT&T from 1881 to 1996.

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Redirects here:

M-Metal, Mu metal, Mu-Metal, MuMetal, Mumetal, Mumetall, Μ-Metal.

References

[1] https://en.wikipedia.org/wiki/Mu-metal

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