Searches , social queries for DEMAGNETIZING FIELD
Search references for DEMAGNETIZING FIELD. Phrases containing DEMAGNETIZING FIELD
See searches and references containing DEMAGNETIZING FIELD!
Search references for DEMAGNETIZING FIELD. Phrases containing DEMAGNETIZING FIELD
See searches and references containing DEMAGNETIZING FIELD!DEMAGNETIZING FIELD
Internal magnetic field generated by a magnet
The demagnetizing field, also called the stray field (outside the magnet), is the magnetic field (H-field) generated by the magnetization in a magnet
Demagnetizing_field
Physical quantity, density of magnetic moment per volume
charge density" analogous to the electric charge density ρ; (see also demagnetizing field). The time-dependent behavior of magnetization becomes important
Magnetization
Property of space that quantifies the magnetic influence at a given location
a loop) of the H-field such as in the MMF of magnetic circuits. This component of H is called the demagnetizing field, or stray field In practice, the
Magnetic_field
Magnetism of sub-micron scales
alignment of the magnetization parallel to the applied field. The demagnetizing field is the magnetic field created by the magnetic sample upon itself. The associated
Micromagnetics
Magnet in the shape of a horseshoe
making a compact magnet that does not destroy itself in its own demagnetizing field. The first recorded instance of a horseshoe magnet was the invention
Horseshoe_magnet
Object that has a magnetic field
angles, the demagnetizing factor only has one value. But a magnet that is shaped like a long cylinder will yield two different demagnetizing factors, depending
Magnet
Cassette player maintenance tool
creating the alternating magnetic field required for demagnetizing.[citation needed] Some cassette decks demagnetize themselves. These work by feeding
Cassette_demagnetizer
Application of an external magnetic field to a ferromagnet
highly permeable, this removes the demagnetizing field, and so the internal H field is equal to the applied H field. With hard magnetic materials (such
Magnetic_hysteresis
Resistance of a ferromagnetic material to demagnetization by an external magnetic field
to saturation by a strong field. This demagnetizing field is applied opposite to the original saturating field. There are however different definitions
Coercivity
were actually due to the continuous thermal demagnetization of the lava, not to a shift in the magnetic field. In July 2020 scientists report that analysis
Earth's_magnetic_field
Concept in the physics of electromagnetism
mathematically than the magnetic fields.[citation needed] In the magnetic pole model, the relevant magnetic field is the demagnetizing field H {\displaystyle \mathbf
Magnetic_moment
Interface between magnetic domains
V. F.; Tanygin, B. N.; Tychko, A. V. (2011). "Influence of the demagnetizing field on the structure of a Bloch wall in a (001) plate of a magnetically
Domain_wall_(magnetism)
Measuring tool
ferromagnetic core response to an external magnetic field. The magnetization is reduced by the demagnetizing field. μ a p p = μ r 1 + N z ( μ r − 1 ) {\displaystyle
Search_coil_magnetometer
Non-destructive method used to detect defects in ferrous materials
AC demagnetizing Pull-through AC demagnetizing coils: seen in the figure to the right are AC powered devices that generate a high magnetic field where
Magnetic_particle_inspection
Past magnetic field of the planet Mars
The magnetic field of Mars is the magnetic field once generated from Mars's interior. Mars no longer has a global magnetic field. However, Mars did power
Magnetic_field_of_Mars
Special arrangement of permanent magnets
taken not to produce a field that exceeds the coercivity of the permanent magnets used, as this can result in demagnetization of the cylinder and the
Halbach_array
Description of the dynamics of magnetization in a solid
the damping factor. The effective field Heff is a combination of the external magnetic field, the demagnetizing field, and various internal magnetic interactions
Landau–Lifshitz–Gilbert equation
Landau–Lifshitz–Gilbert_equation
Magnet with consistent magnetization
single-domain state incurs an increasing energy cost because of the demagnetizing field. This field tends to rotate the magnetization in a way that reduces the
Single_domain_(magnetic)
Class of physical phenomena
attracted by magnetic fields and can be magnetized to become permanent magnets, producing magnetic fields themselves. Demagnetizing a magnet is also possible
Magnetism
Directional dependence of substances' magnetic susceptibilities
Shape anisotropy When a particle is not perfectly spherical, the demagnetizing field will not be equal for all directions, creating one or more easy axes
Magnetic_anisotropy
Change in temperature due to a magnetic field
material to a changing magnetic field. This is also known by low temperature physicists as adiabatic demagnetization. In that part of the refrigeration
Magnetocaloric_effect
Non-hysteretic magnetization of ferromagnets
Néel in the 1940s where on applying an external demagnetizing field H {\displaystyle H} and ac field h {\displaystyle h} to a multidomain material, the
Anhysteresis
Mechanism by which materials form into and are attracted to magnets
back to a lower energy configuration with less external magnetic field, thus demagnetizing the material. Commercial magnets are made of "hard" ferromagnetic
Ferromagnetism
Phenomenon involving the change of conductivity in metallic layers
antiferromagnetic coupling between the Fe layers and reduced the demagnetization field, which also decreased when the sample was heated from 4.2 K to room
Giant_magnetoresistance
Magnetization left behind in a material
the field. Yet another kind of remanence can be obtained by demagnetizing the saturation remanence in an ac field. This is called AC demagnetization remanence
Remanence
Ferrimagnetic ceramic material
coercivity, their resistance to being demagnetized: "Hard" ferrites have high coercivity, so are difficult to demagnetize. They are used to make permanent
Ferrite_(magnet)
Delta-v budget Delta baryon Delta potential Delta ray Delta wing Demagnetizing field Dember effect Demetrios Christodoulou Demetrius Hondros Democratic
Index_of_physics_articles_(D)
Characteristic of a permanent magnet
magnetic hysteresis saturation loop (B-H curve), in the demagnetizing portion where the B and H fields are in opposition. It is defined as the maximal value
Maximum_energy_product
Interpretation of entropy as the change in arrangement of a system's particles
ultra-cold temperatures, a temperature lowering technique called adiabatic demagnetization is used, where atomic entropy considerations are utilized which can
Entropy_(order_and_disorder)
Model for the magnetization of single-domain ferromagnets
acquired after demagnetizing the sample and then applying a field. The curve mir(h) shows the normalized remanence as a function of the field. No change occurs
Stoner–Wohlfarth_model
Russian-Israeli physicist
localized heating in magnetic films affected magnetization and the demagnetizing field, leading to changes in magnon dispersion and the formation of magnon
Victor_L'vov
European X-ray space observatory
Kelvin cooler made of a 3He adsorption cooler coupled with an Adiabatic Demagnetization Refrigerator. Calibration data are acquired along with each observation
Advanced Telescope for High Energy Astrophysics
Advanced_Telescope_for_High_Energy_Astrophysics
Study of Earth's magnetic field in past
heating up to about 400 °C or demagnetizing in a small alternating field. In the laboratory, IRM is induced by applying fields of various strengths and is
Paleomagnetism
Type of magnetic phenomenon
applications of magnets. If an external field in the opposite direction is applied subsequently, the magnet will demagnetize further until it eventually reaches
Ferrimagnetism
Naturally magnetized mineral
has too low a magnetic coercivity, or resistance to magnetization or demagnetization. Microscopic examination of lodestones has found them to be made of
Lodestone
1956 nuclear physics experiment on weak force parity conservation
concept can be paired with adiabatic demagnetization, in which a paramagnetic salt is placed in an external magnetic field and heat caused by the alignment
Wu_experiment
Using wave optics to reproduce a three-dimensional light field
Optical holography needs a laser light to record the light field. The reproduced light field can generate an image that has the depth and parallax of the
Holography
Model of magnetic hysteresis
observed experimentally, when magnetic material is demagnetized under the influence of constant magnetic field. However, measurements of anhysteretic magnetization
Jiles–Atherton_model
Satellite system
magnetization curve of the core. It is therefore necessary to demagnetize the core with a proper demagnetizing procedure. Normally, the presence of the core (generally
Magnetorquer
Electronic circuit in which a signal entering any port exits at the next port
magnetic bias despite exposures to the potentially demagnetizing effects of stray magnetic fields, nearby ferrous materials, and temperature variations
Circulator
Type of energy transfer
body, known as Joule heating, or due to repeated magnetization and demagnetization. When heat is generated by friction, it may end up partly in each of
Heat
Type of electromagnet formed by a coil of wire
diameter, which generates a controlled magnetic field. The coil can produce a uniform magnetic field in a volume of space when an electric current is
Solenoid
Electric motor
during Symmetric and Asymmetric Faults using Virtual Flux based on Demagnetizing Current in DFIG Wind Turbines," 2019 International Power System Conference
Doubly_fed_electric_machine
Passive two-terminal electrical component that stores energy in its magnetic field
passive two-terminal electrical component that stores energy in a magnetic field when an electric current flows through it. An inductor typically consists
Inductor
magnetization (TRM) from the Earth's field. TRM can be much larger than it would be if exposed to the same field at room temperature (see isothermal remanence)
Thermoremanent_magnetization
Type of AC motor
causes a demagnetizing effect due to armature reaction. The V curve of a synchronous machine shows armature current as a function of field current. With
Synchronous_motor
Dependence of the state of a system on its history
the magnet will stay magnetized indefinitely. To demagnetize it requires heat or a magnetic field in the opposite direction. This is the effect that
Hysteresis
Process of decreasing or eliminating a remnant magnetic field
generate a magnetic field. Sub-types of electromagnetic degaussers are several such as Rotating Coil Degaussers and Pulse Demagnetization Technology degaussers
Degaussing
Type of electric motor
magnets exhibit a superior magnetic field, SmCo magnets have higher coercivity (i.e., less vulnerability to demagnetization) and better corrosion resistance
Permanent_magnet_motor
Region of a magnetic material in which the magnetization has uniform direction
return to a lower energy configuration with less external magnetic field, thus "demagnetizing" the material. The contributions of the different internal energy
Magnetic_domain
Shoplifting prevention mechanism
magnetic field given off by the strip offsets the magnetic anisotropy within the amorphous metal. The tag can also be deactivated by demagnetizing the strip
Electronic article surveillance
Electronic_article_surveillance
Process of reconstructing the positions of tectonic plates in the geological past
(relative motion) or to other reference frames, such as the Earth's magnetic field or groups of hotspots, in the geological past. This helps determine the
Plate_reconstruction
stepwise demagnetization. Alternating Field (AF) Demagnetization: Exposes the sample to progressively stronger alternating magnetic fields in a zero-field environment
Natural remanent magnetization
Natural_remanent_magnetization
Strong permanent magnet made from an alloy of a rare-earth element and cobalt
samarium–cobalts are: Samarium–cobalt magnets are extremely resistant to demagnetization. These magnets have good temperature stability, maximum use temperatures
Samarium–cobalt_magnet
mechanism of naval mines or torpedoes are not triggered. The mere demagnetization is to be distinguished from that with which the permanent magnetic
Magnetic_self-protection
Audio recording using magnetic tape spooled on open reels
used on it. Daily maintenance consisted of cleaning and occasionally demagnetizing the heads and guides. The performance of tape recording is greatly affected
Reel-to-reel audio tape recording
Reel-to-reel_audio_tape_recording
Scientific instrument to measure magnetic properties
are not well suited for determining the magnetization loop due to the demagnetizing effects incurred by the sample. VSM's further suffer from temperature
Vibrating-sample_magnetometer
Electric generator function
Improved Control Strategy for DFIG Low Voltage Ride-Through Using Optimal Demagnetizing method". 2019 10th International Power Electronics, Drive Systems and
Low-voltage_ride-through
Electric motor driven by an AC electrical input
external magnetizing force; for instance, to demagnetize such a material, one could apply a magnetizing field of opposite polarity to that which originally
AC_motor
Electrical component
coils which serve to cancel an external magnetic field Degaussing coil - a coil used to demagnetize parts Voice coil - a coil used in a moving-coil loudspeaker
Electromagnetic_coil
Converts an electrical audio signal into a corresponding sound
problems of field-coil drivers. Alnico was commonly used until the 1960s, despite the problem of alnico magnets being partially demagnetized. In the 1960s
Loudspeaker
Type of audible sound
PM synchronous machines with static eccentricity and partial demagnetization using field reconstruction method. IEEE Transactions on Industrial Electronics
Electromagnetically induced acoustic noise
Electromagnetically_induced_acoustic_noise
Martian shield volcano
Mars, including most of the Elysium and Tharsis Rises, in that they are demagnetized terrains that conspicuously predate the shutdown of the Martian dynamo
Apollinaris_Mons
Vacuum tube used to display images
in TV sets and computer monitors often have a built-in degaussing (demagnetizing) coil mounted around the perimeter of the CRT face. Upon power-up of
Cathode_ray_tube
Gaussian units gauss, the CGS unit for magnetic flux density Degaussing, to demagnetize an object Gauss rifle or coilgun Gauss's law for magnetism Gaussian surface
List of things named after Carl Friedrich Gauss
List_of_things_named_after_Carl_Friedrich_Gauss
Topics referred to by the same term
disorder, often in Ireland Coercivity, intensity of magnetic field needed to demagnetize a material Coercive diplomacy This disambiguation page lists
Coercion_(disambiguation)
Russian physicist
started his career in a novel field polymer physics. During World War II, he was in the Navy and worked on demagnetizing of ships. After the war, he returned
Yuri_Lazurkin
Law of physics
from X2 to X1. One can think of a multistage nuclear demagnetization setup where a magnetic field is switched on and off in a controlled way. If there
Third_law_of_thermodynamics
Machine that converts electrical energy into mechanical energy
electric motors operate through the interaction between the motor's magnetic field and electric current in a wire winding to generate Lorentz force in the
Electric_motor
Study of magnetic properties in rocks
sediments and soils. The field arose out of the need in paleomagnetism to understand how rocks record the Earth's magnetic field. This remanence is carried
Rock_magnetism
Chemical compound with unusual magnetic properties
Bramwell, S. T.; Henelius, P. (19 October 2020). "LiHoF 4: Cuboidal demagnetizing factor in an Ising ferromagnet". Physical Review B. 102 (14) 144426
Lithium_holmium_fluoride
Phenomenon in ferromagnetism
(spins), that occur during a continuous process of magnetization or demagnetization. The Barkhausen effect offered direct evidence for the existence of
Barkhausen_effect
Russian physicist (1903–1994)
II, when he devised in collaboration with Igor Kurchatov a method of demagnetizing ships to protect them from German naval mines, known as the LPTI system
Anatoly Alexandrov (physicist)
Anatoly_Alexandrov_(physicist)
Presence/absence of symmetry or correlation in a many-particle system
melting of ice: solid–liquid transition, loss of crystalline order; the demagnetization of iron by heating above the Curie temperature: ferromagnetic–paramagnetic
Order_and_disorder
Class of submarine aircraft carriers for the Imperial Japanese Navy
field which normally triggers the fusing system of the mines. A similar demagnetizing system was carried on many Japanese surface ships during the first part
I-400-class_submarine
Line of loudspeakers
an Alnico V magnet. Ferrite magnets are much more resistant to being demagnetized and are thus more robust. However, debate continues to this day as to
Altec_Lansing_Duplex
Physical phenomenon
of the tested sample should be closed. Open magnetic circuit causes demagnetization, which reduces magnetoelastic effect and complicates its analysis.
Inverse magnetostrictive effect
Inverse_magnetostrictive_effect
Condensed matter phenomenon; vortex-like magnetic quasiparticle
Note that equation (2) does not contain a term for the dipolar, or 'demagnetizing' interaction between atoms. As in eq. (2), the dipolar interaction is
Magnetic_skyrmion
Metal sheet with hundreds of thousands of holes, used in CRTs to correctly align colors
colors, but this could be generally solved by including an automatic demagnetizing feature. The last solution to be introduced was the "stretched mask"
Shadow_mask
Measurement of electric current
include shunt resistor, current transformers and Rogowski coils, magnetic-field based transducers and others. A current sensor is a device that detects
Current_sensing
Family of iron alloys
can be magnetised to produce strong magnetic fields and have a high coercivity (resistance to demagnetization), thus making strong permanent magnets. Of
Alnico
Chemical compound
resistant to thermal demagnetization. Ferrite magnets are the only type of magnets that become substantially more resistant to demagnetization as temperature
Barium_ferrite
Method of dating sedimentary and volcanic rocks
stripped away in a stepwise manner using thermal or alternating field demagnetization techniques to reveal the stable magnetic component. Magnetic orientations
Magnetostratigraphy
Strong permanent magnet made from alloys of rare-earth elements
measures the strength of the magnetic field; coercivity (Hci), the material's resistance to becoming demagnetized; energy product (B·Hmax), the density
Rare-earth_magnet
Direction dependence of magnetization in a crystal
magnetic anisotropy usually have high coercivity, that is, they are hard to demagnetize. These are called "hard" ferromagnetic materials and are used to make
Magnetocrystalline_anisotropy
Time-dependent magnetic phenomena
reliably record the geomagnetic field. He also modeled frequency-dependent susceptibility and alternating field demagnetization. Superparamagnetism occurs
Néel_relaxation_theory
French physicist (1904–2000)
defense, particularly through research in the protection of warships by demagnetization against magnetic mines, he received numerous distinctions: Legion of
Louis_Néel
Geoscientific research organization
digital spinner magnetometer, alternating magnetic field and thermal demagnetizers, high-field and low-field hysteresis and susceptibility meter. Geochemical
National Geophysical Research Institute
National_Geophysical_Research_Institute
Refrigeration system that cools to below 120 K
for superconducting photon detectors. Cryogenic processor Adiabatic demagnetization refrigerator Dilution refrigerator Hampson-Linde cycle Pulse tube refrigerator
Cryocooler
This is generally an unwanted component and some form of stepwise demagnetization must be used to remove it. Viscous remanent magnetization is the result
Viscous remanent magnetization
Viscous_remanent_magnetization
Chemical element with atomic number 60 (Nd)
them also strongly influences coercivity, the resistance to demagnetization by an opposing field. Commercial forms include sintered and polymer-bonded magnets
Neodymium
Strongest type of permanent magnet from an alloy of neodymium, iron and boron
magnetization gives the compound a very high coercivity, or resistance to being demagnetized. The neodymium atom can have a large magnetic dipole moment because it
Neodymium_magnet
Austrian electrical engineer
Control 2009 Demagnetized Implant for Magnetic Resonance Imaging 2009 Implantable device with flexible interconnect to coil 2009 Demagnetized implant for
Ingeborg_Hochmair
Device converting heat flow into usable work at the nanoscale
{\displaystyle U_{\text{h}}} . Segment D → A {\displaystyle D\rightarrow A} : Demagnetization or adiabatic expansion, reducing energy gaps, described by propagator
Quantum_heat_engine
Buried feature in south-east Australia, suggested to be an impact structure
Tasman orogenic zone; and radial faults associated with magnetic and demagnetized anomalies. The above features suggest that the Deniliquin feature is
Deniliquin multiple-ring feature
Deniliquin_multiple-ring_feature
Transducer that converts an electrical audio signal to sound waves
problems of field-coil drivers. Alnico was commonly used until the 1960s, despite the problem of alnico magnets being partially demagnetized. In the 1960s
Electrodynamic_speaker_driver
Discrete model of computation
help explicate how ferromagnets become demagnetized when heated. Moreover, results from studying the demagnetization phase transition can be transferred
Cellular_automaton
Data loss as the format goes into disuse
of adhesive holding the magnetic data layer to its backing or the demagnetization of the data layer, commonly called "bit rot"; optical discs are specifically
Digital_obsolescence
Season of television series
resulted in the puzzle board being demagnetized, forcing them to start their puzzle from scratch. After a board demagnetizes, that HouseGuest only has ten
Big Brother 17 (American season)
Big_Brother_17_(American_season)
Type of superconductor with a single critical magnetic field
carbide heavily doped with boron, is also type-I. Depending on the demagnetization factor, one may obtain an intermediate state. This state, first described
Type-I_superconductor
travel, tourism, insurance
DEMAGNETIZING FIELD
DEMAGNETIZING FIELD
DEMAGNETIZING FIELD
DEMAGNETIZING FIELD
DEMAGNETIZING FIELD
DEMAGNETIZING FIELD
DEMAGNETIZING FIELD
DEMAGNETIZING FIELD
DEMAGNETIZING FIELD
travel, tourism, insurance