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The main characteristic of the powerful magnets have four points

by:Newland     2020-04-28
Powerful magnet has four point magnetic moment and the main characteristic of the external magnetic field same direction when placed outside the magnetic energy will be lower than that of magnetic moment and the magnetic reverse when putting magnetic energy, the result is consciously magnetized magnetic moment and the external magnetic field into small point of view of magnetic domain in a strong position, gradually expand the volume of the magnetic domain ( Domain wall displacement) , and consciously magnetized magnetic moment and the external magnetic field into a larger view of the magnetic domain volume decreases; Outside magnetic field is stronger, the orientation and the external magnetic field into a larger view of the magnetic domain gradually disappear, retained and has conscientiously magnetization of the magnetic domain as a whole, to the external magnetic field direction in different degrees, such beginning shows microscopic magnetic materials; When the external magnetic field reaches the value must be all domain are increasingly turning to the external magnetic field direction, magnetized ferromagnetic reach full status, its full magnetization magnetization is in each domain, the value is very large. Powerful magnet has four points, the main characteristic of the concrete is mainly manifested in the following, below small make up take you to the specific understanding of understanding. There are some 1, each domain & other; Conflict & throughout; To prevent the magnetic domain after removing the external magnetic field from the beginning to arrange degaussing condition was disorder, so even get rid of the external magnetic field, ferromagnetic quality still save some. And paramagnetic material is removed when the external magnetic field, the magnetization immediately goes to zero. Relation between magnetic intensity and magnetic field intensity is not linear, namely the magnetic susceptibility and permeability is not constant, and the magnetic susceptibility and permeability of paramagnetic in temperature is constant. 2, more easily under the effect of outer magnetic field to magnetic and magnetic intensity at the moment no longer with the external magnetic field to add and add, and usually paramagnetic material is hard to reach the magnetic full. 3, the external magnetic field changes, the change in magnetization lags the change of the external magnetic field, the scene is called hysteresis effect. Indicate the hysteresis effect, the ferromagnetic magnetization process contains obvious irreversible process. When outside magnetic field is removed, ferromagnetic still save some magnetism, the magnetic intensity is zero, known as the residual magnetism, this is because of the ferromagnetic doping and other factors are 4, there exists a critical temperature TC, when iron gas products in above TC, the ferromagnetic, ferromagnetic transition ChengShun magnet, TC is called the Curie temperature or Curie point. Near the Curie temperature, magnetic conductivity and specific heat disorders added. Magnet company is the specialized production ( Ndfeb) Powerful magnet company, has factories in dongguan city based wangniudun pier town. Magnet products used in toys, jewelry, crafts gifts, handmade gift box, leather handbags invisible magnetic button, plastic hardware products, audio equipment and other industries. Our company is located in dongguan city based wangniudun block cao beijiao town five chung village industrial zone, the company can provide customers 24 hours delivery, 36 hours to the customers specifications template. Magnet experts to find and package your satisfaction, more magnets can view our company website WWW information. yirongciye。 com/。 This article rigorous reproduced, if there are any violation, the consequence is proud! Magnet, powerful magnets, special-shaped magnets, magnet manufacturer,
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