dingfeng5220

[dingfeng5220]

Ferrite magnet ferrite magnetic tile

Ferrite tile: The ferrite tile is in the shape of a tile, and its magnetic performance is characterized by high permeability at high frequency. Therefore, ferrite magnetic tile has become a widely used non-metallic magnetic material in the electronic field. Due to the low magnetic energy stored in the unit volume of ferrite, its application in the field of high frequency and high power generation with high magnetic energy density is limited. The advantage is that the cost is much lower than NdFeB magnet. Ferrite magnetic tiles are often used in the fields of electric motors.

[dingfeng5220]

Ferrite magnet ferrite magnetic steel

●The main raw materials of ferrite include BaFe12O19 and SrFe12O19. It is made by ceramic process. It is hard and brittle. Ferrite magnet has become widely used permanent magnet because of its good temperature resistance, low price and moderate performance ●The Sintered NdFeB Magnet is powerful permanent magnet in modem times. It is not only has excellent properties such as high remanence, high coerce, high magnetic energy product .high performance price ratio and so on,but also is development of high-performance,miniaturized and lightweight replacement products. ●The consistency and stability of products between each orders, provides safeguard to our customers. For example, the consistency of (BH)max reaches 6o (Cpk1.67 or above). ●In order to raise working temperature of our products, Dingfeng Magnetics works hard to realize better high thermal stability and low thermal demagnetization, developed the series VH series products which can work at temperature higher than220℃.

[dingfeng5220]

Special Shaped Sintered NdFeB Magnets

Square neodymium magnet is a kind of rare earth permanent magnet made of neodymium, boron, iron and other trace elements. It is generally square, rectangular, strip and block magnets. The peak magnetic materials can provide various grades, sizes and coatings. The working temperature and performance vary with the material grades. It is widely used in motor, electronics, electric machinery, medical equipment, toys, packaging, hardware equipment, aerospace and other fields. It is about 21 times the magnetic force of ceramic magnet under the same conditions.

[dingfeng5220]

HDD Technology: The Importance of Magnetic Materials

At the heart of an HDD are platters coated with magnetic materials. These platters spin at high speeds, and as they do, a read/write head moves across their surface. The read/write head generates a magnetic field that can magnetize or demagnetize specific areas of the platter, representing binary '1's and '0's. This process relies heavily on the characteristics of the materials used in the construction of the platters. Typically, modern HDDs utilize cobalt-based alloys as their magnetic materials, which provide the necessary stability and durability for long-term data storage.

The evolution of magnetic materials has significantly impacted the storage capacity and performance of HDDs. Early hard drives used iron oxide as the primary magnetic material, but advancements have led to the adoption of more sophisticated alloys that enhance data density. The ability to create smaller magnetic domains within these materials allows for more information to be stored in a given area, thereby increasing the overall capacity of the drive.

[dingfeng5220]

The Science Behind Sintered Neodymium: How These Magnets Work Wonders

These magnets are primarily composed of neodymium, iron, and boron, and they are widely used in various applications, from electric motors to consumer electronics. As industries continue to innovate, understanding the testing methods for magnetic performance and the effects of deep cryogenic treatment on sintered neodymium magnets has become increasingly important.

Magnetic performance testing is crucial for ensuring the quality and reliability of sintered neodymium magnets. Several common methods are employed to evaluate their magnetic properties. One of the widely used techniques is the measurement of flux density using Gaussmeters. This method involves placing the sintered neodymium magnet in a magnetic field and measuring the strength of the magnetic field at various points. The data obtained helps in determining the magnet's performance under different conditions.