Sintered Alnico Block Square Magnets LNG37 LNG18

/Sintered Alnico Block Square Magnets LNG37 LNG18
  • Sintered Alnico Block Square Magnets LNG37 LNG18
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  • Sintered Alnico Block Square Magnets LNG37 LNG18, high Curie temperature permanent magnet material, Rectangular Al-Ni-Co magnet, aluminum nickel cobalt magnetic material, anisotropic AlNiCo, cast and sintered AlNiCo magnets China supplier

    Sintered Alnico Block Square Magnets LNG37 LNG18Specifications
    Shape: Block, Bar, Rectangular, Rectangle, Custom-made
    Grade: LNG18, LNG34, LNG37, LNGT34, LNGT40
    Coating: Without
    Size: According to customer’s requirements
    Characteristics:High Remanence (up to 1.35t) and Low Temperature Coefficient.

    AlNiCo magnet is ferroalloy with three main components, aluminum (Al), nickel (Ni) and cobalt (Co). It has high Curie temperature, generally is made by casting or sintering process. It has good corrosion resistance and better physical properties than ferrite. In the permanent magnet material, the cast AlNiCo permanent magnet has the minimum reversible temperature coefficient and the working temperature can be as high as 600℃ or above.
    We can provide our customers with customized Aluminum, Nickel and Cobalt products, which are highly resistant to corrosion without coating.
    Customized Shapes: Block, Cylinder/Disc, Ring/Tube, Segment/Tile/Arc/Sector, Special Shapes
    It is mainly used in instrument and apparatus, motors, electroacoustic device, magnetic machinery, etc.

    Square Block Sintered Alnico Magnets

    Square Block Sintered Alnico Magnets

    Alnico Block Magnets, which include bar magnets, are often used in educational facilities from elementary school through to post-graduate work and have a wide range of experimental applications. With high residual induction compared to Neodymium and Ceramic Ferrite magnets, Alnico magnets are still very sensitive to demagnetization. Alnico magnets are the weakest of permanent magnets, however they have excellent temperature stability and very good resistance to corrosion. They are famous in audio sound recording and performance for their ability to clarify sound. Their mechanical strength is greater than either Neodymium or Ceramic Ferrite magnets because Alnico magnets are both hard and brittle. Custom Made Various Shaped AlNiCo Magnets

    According to the different manufacturing process, alnico permanent magnet material can be divided into two main series of Cast Alnico magnet and Powder Sintered Alnico magnet.
    Powder Sintered Alnico series is divided into isotropic Alnico and thermo magnetic treatment anisotropic Alnico.

    Sintered Alnico magnets are slightly weaker than Cast Alnico magnets in magnetic strength, but their sizes and dimensional tolerance are relatively smaller than cast ones.
    Sintered Alnico magnets are more often used in micro/small motors, permanent magnet motor, relays and some small instruments. Permanent Block Alnico Magnet LNG34, Customized AlNiCo Permanent Block Bar Magnet

    Sintered Alnico magnets are made from powdered mixture of raw materials that are pressed into a die under tons of pressure. They are then sintered in a hydrogen atmosphere and cooled in an anisotropic or isotropic environment.

    The main manufacturing process of Sintered Alnico magnetic materials is listed as following.
    Raw material → Mixing → Powder → Pressing → Sintering → Heat Treatment → Magnetic Testing → Grinding → Inspection → Final Alnico magnet.

     

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