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Mineral Processing Equipment : example of hard magnetic material and a soft magnetic material - A type of mining equipment that can trigger the development and change of the beneficiation technology industry. The main core machines are ball mills, rod mills, flotation machines, magnetic separators, etc.
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2007-12-24the main parameter often used as a figure of merit for soft magnetic materials is the relative permeability m r where m r bm o h which is a measure of how readily the material responds to the applied magnetic field the other main parameters...
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2013-9-15magnetically hard materials can be permanently magnetized by a strong magnetic field steel and special alloys such as alcomax alnico and ticonal which contain various amounts of aluminium nickel cobalt and copper are used to make permanen...
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2014-7-18magnetic materials the behavior of magnetic nanostructures reflects both nanoscale features such as particle size and geometry and the intrinsic properties of the magnetic substances for example the magnetization reversal in nanodots cruciall...
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2016-3-112 soft ferrite the soft ferrites developed produced and sold by the jfe steel group include mnzn-type and nizntype soft ferrite material powders and mnzn soft ferrite cores because the base material resistivity of mnzn soft ferrite is higher t...
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2017-1-7the magnetic hysteresis loop then each of the main classes of magnetic material hard and soft magnetic materials and recording media are described in terms of development processing and applications of hard and soft magnetic materials finall...
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2017-10-27for example the heath company offers a variety of electronics educational products applied magnetic field every magnetic material has a permeability that is soft magnetic applications guide smag rev2015a page the...
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2019-2-13magnetic materials soft magnets this would be the case for example in shielding applications where the flux must be channelled through the material where the material is used to generate a magnetic field or to of soft magnetic material...
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2019-2-13non-magnetic material such as a resin this gives mqii a higher bh max than mqi of 100-120kjm-3 mq iii substantially greater alignment 75 and hence greater maximum energy products can be obtained by an additional processing step the mqii mat...
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2020-4-29the best examples of soft magnet are iron-silicon alloys nickel-iron alloy and iron hard magnetic materials these magnetic materials retain their magnetism in absence of magnetic field and also known as permanent magnets alloys composed of iro...
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2020-5-18soft magnetic nanocrystalline alloys as indicated in the previous section obtaining materials in which the exchange correlation length is much larger than the structural correlation length will lead to effective magnetic anisotropies that are n...
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2020-5-23hard or soft - ferromagnetic materials saturation coercivity and remanence at the previous chapters we have seen that the magnetization of materials depends on their design besides the atoms the material consists of we recognized the influen...
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2020-5-27the domain growth of these materials can be easily realised they are mainly used to increase the flux orand to make a way for the flux created by the electric currentthe main parameters used to worth or consider the soft magnetic materials are...
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2020-5-29for understanding the hard magnetic materials we have to know certain termsthey are as follows coercivity the capability of a ferromagnetic material to hold up resist a peripheral magnetic field without getting demagnetized retentivity br it i...
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2020-5-29when diamagnetic material is placed within a magnetic field the lines of force tend to go away from the material when a diamagnetic substance is placed in a watch glass on the pole pieces of a magnet the liquid accumulates on the sides causing a...
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2020-5-31main difference hard iron vs soft iron a ferromagnetic material is a substance that can possess magnetization in the absence of an external magnetic fieldthere are two groups of magnetic materials as soft magnetic materials and hard magnetic ma...
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2020-5-31what is hard magnetic material hard magnetic materials have more powerful magnetization than the soft magnetic materials when exposed to an external field hard magnetic materials will contain the magnetism even after the external field is remove...
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A magnetically hard material is always magnetized for example steel or carbon a magnetically soft material can be magnetized but if it isnt it is not magnetic...
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An ideal hard magnetic material as summarized in table 86 has very large coerciv ity and remanent magnetic field further since they are used as permanent magnets the energy stored per unit volume in the external magnetic field should be as large as...
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An ideal soft magnetic material would have zero coercivity hc a very large saturation magnetization 5satx zero remanent magnetization br zero hysteresis loss and very large xr max and firi a number of example materials from pure iron to ferrites whi...
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Dear student hard magnetic materials these type of magnetic materials retain their magnetism in absence of magnetic field and also known as permanent magnetsthey have high remnant magnetization high coercivity low initial permeability hysteresis loss...
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For the magnetic part of the nominal helmholtz free energy density function we propose a model of what we define as an ideal hard-magnetic soft materialbased on physical observations bertotti 1998 we stipulate that the magnetic flux density b of the h...
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Hard magnetic materials are those which have high coercivity high retentivity and low loss in magnetisation due to mechanical treatment and no effect of temperature these materials are called hard because these are difficult to magnetise and demagnetise...
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Here we describe a new soft magnetic material with a saturation magnetization of 24 kilogauss and a large permeability of 10001400 in a wide frequency range of up to about 12 gigaherz...
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Magnetic materials are categorised as magnetically hard or magnetically soft materials magnetically soft materials are easily magnetised but the induced magnetism is usually temporary for example if you rub a permanent magnet along a nail or a screwd...
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