Powerful Circular Disk Thin NdFeB Magnet Zinc N52H for Tablet PC Technical Specifications:
Item: MP-NDN52H-27
Grade: N52H
Material: Neodymium (NdFeB)
Plating: Zinc / Nickel
Shape: Round, Disc, Disk, Circular
Dimension: Customer Design Drawing
Tolerance: ±0.05 mm
Magnetisation Direction: Axial / Radial
Residual Magnetic Flux Density (Br): 1280-1320 mT (12.8-13.2 kGs)
Energy Density (BH)max: 318-342 KJ/m³ (40-43 MGOe)
Coercivity Force (Hcb): ≥ 915 kA/m ( ≥ 11.5 kOe)
Intrinsic Coercivity Force (Hcj): ≥ 955 kA/m ( ≥ 12 kOe)
Maximum Operation Temperature: 80 °C
Delivery Time: 14-35 days
A disc neodymium magnet, also known as a round neodymium magnet or a cylindrical neodymium magnet, is a type of permanent magnet made from an alloy of neodymium, iron, and boron (NdFeB). It is one of the strongest and most powerful magnets available in the market today.
Neodymium magnets were first developed in the 1980s and have since become widely used in various applications due to their exceptional magnetic properties. They possess a high magnetic energy product, which refers to the maximum amount of magnetic energy that can be stored in a given volume of magnet material. This makes them extremely strong for their size.
The disc shape of neodymium magnets allows for easy handling and integration into different devices and systems. They are commonly used in industries such as electronics, automotive, aerospace, medical equipment, and renewable energy.
One of the key advantages of disc neodymium magnets is their high coercivity. Coercivity is the ability of a magnet to resist demagnetization. Neodymium magnets have a very high coercivity, which means they are less likely to lose their magnetism over time or when exposed to external magnetic fields.
The strength of a disc neodymium magnet is typically measured in terms of its magnetic field strength or magnetic flux density. This is often expressed in units called Tesla (T) or Gauss (G). Neodymium magnets can have magnetic field strengths ranging from a few thousand Gauss to over 1 Tesla. Electronic Speaker Magnets Neodymium N48 Oval Plate Shaped Circular Disk Thin NdFeB Magnet
The manufacturing process for disc neodymium magnets involves several steps. It starts with the production of raw materials, including neodymium oxide, iron oxide, and boron oxide. These materials are mixed together in precise proportions and then melted in a furnace at high temperatures. The molten alloy is then cooled rapidly to form solid ingots or blocks. Tablet PC Neodymium Magnets Disc N45SH Used in Acoustic
The ingots are then crushed into fine powder and mixed with a polymer binder. This mixture is then pressed into a mold and subjected to a process called sintering, where it is heated at high temperatures to fuse the particles together. After sintering, the magnets are machined into their final shape, which in the case of disc neodymium magnets is a round or cylindrical form. Ni N48SH Irregular Oval End Voice Coil Ndfeb Magnets
To enhance the performance and durability of disc neodymium magnets, they are often coated with a protective layer. Common coating materials include nickel, zinc, epoxy, or a combination of these. The coating helps prevent corrosion and extends the lifespan of the magnet.
It is important to handle disc neodymium magnets with caution due to their strong magnetic field. They can attract ferromagnetic materials from a significant distance and can cause injury if mishandled. It is recommended to keep them away from electronic devices, credit cards, pacemakers, and other sensitive equipment that may be affected by magnetic fields. Tablet Computer Speaker Magnets Neodymium N48H Disc Shape
In conclusion, a disc neodymium magnet is a powerful and versatile permanent magnet made from an alloy of neodymium, iron, and boron. Its disc shape allows for easy integration into various applications, and its high coercivity ensures long-term magnetism retention. However, proper handling precautions should be taken due to its strong magnetic field. Ni-Cu-Ni N45SH Laptop Acoustic Module Ndfeb Magnets Circular Disk Thin NdFeB Magnet
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