How to melt a magnet?

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To melt the magnet, the magnet must first understand the production process: a magnet is made of high carbon steel or special magnet manufacturing, quenched into martensite, through technical magnetization, it

Become a high coercivity magnetic force, prolonged does a magnet demagnetization. Melting disc magnets,  as a general high-carbon steel melt, as the magnetic material is heated to 1227 to camera

Degrees Fahrenheit (cementite melting point) or more, it can melt. As for the magnetic, just upstairs, after heating will be reduced magnetic until it disappears overband magnetic separator

Why can a magnet attracts iron?

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Substances are mostly composed of molecules, molecules are made up of atoms, atomic nuclei and electrons is again. Inside the atomic, electronic kept rotation,And rotate around the nucleus. Both the electron motion will generate a magnetic. However, in most substances, the electron motion is not the same in each direction, disorganized, magneticEffects offset each other. Thus, under normal circumstances most substances, without showing magnetic properties.suspension magnet

Iron, cobalt, nickel or ferrite ferromagnetic substances is different, its internal electron spin in a small area can spontaneously arranged together to form a spontaneous magnetizationArea, this area is called spontaneous magnetization magnetic domains. magnetic filter
Magnetization of ferromagnetic substances, the internal magnetic domain neat, arranged together in the same direction, the magnetic strengthened to construct

Into a magnet. Magnet attracts iron on iron magnetization process is the process of magnetized iron and magnets of different polarity between the attraction, the magnetic iron it firmly

Iron "stick" together. We say that a magnet has a magnetic

Physical properties of the magnet

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A magnet is placed for some time, will be weakened magnetic? And magnet material related to some weakening

obvious, some not substantially weaken

A magnet to the other to keep a distance of a magnet and generate repulsive or attractive, some time later, the two

magnets will reduce magnetic? Or weakening speed becomes faster?overband magnetic separator
Magnetic flux density in a certain range, speed and material related weakening and whether exposure has little
Of course, a strong magnet and a weak magnet magnetic contacts (strength of magnetization intensity), will be

weak strong magnet magnetized magnetpot magnets

A spherical magnet poles determine how
Magnet poles are not judged according to the shape, the original is how magnetized, the pole is how the
Bar magnet can also be made at both ends of the magnet Arctic Antarctic middle is not the end of the Antarctic, the

other side must be the Arcticmagnetic filter

Rotation of the magnetization process magnet magnetic moment

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Magnet magnetic moment (or magnetization vector) is the rotation of the magnetization and demagnetization

process is one important way. Permanent magnets within the domain rotation may be uniform rotation moment,

is non-uniform rotation can be. Coherent rotation refers to the so-called atomic magnetic moments within

domains uniformly shifted outside the magnetic field direction.suspension magnet
Including reversible magnetization rotation and irreversible turning action. In general, low field has reversible

rotation. For the uniaxial magnetic anisotropy, have irreversible move two conditions: (1) the magnetic field

direction and the magnetization direction of the original angle of the mouth 2) should be greater than the critical

magnetic field Ho.
    2-20 shows the single-domain body, M along the easy axis of magnetization fp x-axis in the positive direction. tube magnets

Now the negative direction along the z-axis plus anti-magnetizing field, so that the magnetization reversal. Located

in the magnetization reversal field for heads, M, deviate from the easy axis of the altercation, the total energy of the

system is that it shows that single-domain uniaxial anisotropy energy body and the mouth of the relationship with

the child used to represent Figure 2-21. When N is constant, E is the value to be the minimum. That is, when the

magnetic field increases from 0 to 2K /, n into knowledge, past, single domain magnetic oyster meat body

strength has been stuck in the mouth = 0. Department. When the magnetization reversal field once to 2K, Tou oM, motor magnets

when the moment immediately reversed 180. (8 = 1 This field Ho is its critical single domain body axis which is

the coercive force of a general expression.

Magnetic material magnetic parameters of technology

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  Magnetic material into non-technical parameters of the magnetic structure sensitive parameters (ie, the amount

of the intrinsic magnetic 1), if the saturation magnetization M,, the Curie temperature of the 'like, and the structure

-sensitive magnetic parameters, such as remanence several Pat or B, and coercivity Hb or Nd, energy product

(BH)? like. The former mainly by the chemical composition and crystal structure to determine; latter addition to the

intrinsic parameters, but also the grain size, grain orientation, crystal defects, and other factors dopant.block magnets
           Saturation magnetization M "bubble and magnetization M, is extremely important magnetic material

magnetic parameters magnet material bucket require M better. Saturation magnetization of the magnetic material

depends on the composition of atoms, atomic magnetic moments and temperature. In the low temperature

region, which follows the Bloch (Bloch) Law.Magnetic Head Pulley
           Simple cubic, body-centered cubic and face-centered cubic crystal mouth values ??were 2,1 and 1/2. When

a time 0K, M, (T)-M, (O), M, (O) is an absolute saturation magnetization. At room temperature (293K) time, M, can

be expressed as M, = n. ff (per unit volume of magnetic atoms) where N is the number of atoms of the magnetic

lmol; 'is the density; A is the relative atomic mass; Lu B is the Bohr magneton; n. ff is the effective Bohr magneton

number. For 4f metals and alloys, n. H is approximately equal gJJ; For 3d metals and alloys, a few H is

approximately equal gJS. Experimental results show that, Fe, Co, Ni who were 2 16T, 1 79T and 0 61T. In the Fe

3d metal are highest. Fe is added to the matrix & when an increase with the increase in the content Cb, when the

mass fraction & up to 40%, the maximum people who = 24T. Save & beyond, all added elements are the Fe

reduced.magnetic name tags

Dry magnetic separator followed the trend of our green and healthy flow direction

Now more and more frequent natural disasters, all in warning the people, pay attention to environmental protection, the state increasing emphasis on environmental protection, while machinery and equipment also put forward higher requirements, require that the entire machinery industries should develop towards sustainable development, adhere to the sustainable development strategy.magnetic coolant separator Dry magnetic separation equipment is the same, following the trend towards greener and healthier environment direction. In the current dry magnetic separation equipment more energy, pollution, under the premise want to suddenly let dry magnetic separator toward the direction of energy saving is not able to finish, it takes time to improve the industry's overall magnetic separator core technology .magnetic sweeper So this requires dry magnetic separator machine manufacturers to strengthen the core technology research and development, together early realization dry magnetic transition. With the global spread of information technology, resource sharing is getting easier, domestic dry magnetic separation equipment in the introduction of foreign advanced technology, based on, and then add their own characteristics, and thus to achieve dry magnetic separator equipment, energy-saving environmental characteristics, dry magnetic separator guide to green and healthy direction.imán de ferrita

Wet magnetic separator innovation lies in the way popular

Since the development of magnetic separation equipment, wet magnetic separator equipment has been in the selling phase, is the best of a magnetic separation equipment development, and it is the most popular in the market, one of the devices. The development of a wet magnetic device so so smooth, because it is able to timely detect changes in the market conditions, changes in the market prior to production to meet market demand for equipment. Wet magnetic separator to achieve the development of the most critical is that innovation.smco magnet
  Strengthen technological innovation and independent innovation capability of enterprises to obtain one of the reasons long- term development, but also enables companies to adapt to market changes in a timely manner, and then make the appropriate measures approach. Therefore, the development of wet magnetic separator equipment manufacturers to tell the truth all the magnetic separator, you want to achieve rapid development,conveyor magnets it must have its own characteristics and advantages, so as to make the product appear in public, to get public recognition. Wet magnetic separator itself has a simple structure, large output, energy saving, easy to maintain, their strengths together technological innovation and reform, will determine the prospects of a magnetic separator device sunlight.изготовление магнита

Morphological changes on the social development of dry magnetic separation machine does not have much impact

    With the social development patterns of morphological transformation to a low carbon green, businesses are constantly reform or change management methods, but for dry magnetic separator, the social patterns did not change dry magnetic separator great impact. Dry magnetic separator with adaptable, less pollution, energy- saving features, and the current social development is also moving in the direction of energy saving away, so changes in social patterns on the development of dry magnetic separator is not much affected. magnetic broom    State of the dry magnetic separation machine technology analysis, magnetic separator equipment development is of great significance. Dry magnetic separator machine at work when the first of the ore crushing and grinding, and in the use of different magnetic minerals separation of minerals and sorting, so as to make the mineral overband magnet   discontinuity, in order to better sorting of ore, Finally, dryer equipment for ore drying thrown out classification can be. Throughout the process, the role of dry magnetic separation machine is not to be underestimated, the decision of the entire ore sorting effects, affecting the quality of the ore screening.imanes de tierras raras