What is a magnet? Learn from Magnet University

What is a magnet? The magnet is a material or an object that generates a magnetic field, and includes a permanent magnet and an electromagnet. The permanent magnet includes a neodymium magnet (NdFeBN4Fe14B), SmCo, and AlNiCo.
  • 1. Permanent Magnet And Electromagnets

    Permanent Magnet and Electromagnets Define ferromagnet. Only certain materials, such as iron, cobalt, nickel, and gadolinium, exhibit strong magnetic effects. Such materials are called ferromagnetic, after the Latin word for iron, Ferrum. A group of materials made from ...Read More>>>

  • 2. 5 Difference Between Bar Magnet And Electromagnet

    5 difference between a bar magnet and electromagnet Permanent magnets An electron with a spin: A microscopic magnet Electron spins In permanent magnets, the B fields are also created through currents. But these currents are not macroscopic currents, in which charged par...Read More>>>

  • 3. 4mm Cube Magnets

    4mm cube magnets 216Pcs Neodymium Magnet Cube 4mm N35 216Pcs Neodymium Magnet Cube 5mm 4mm 3mm N35 Permanent NdFeB Super Strong Powerful Magnetic Magnets Square Neo Cube For Industry. Max Working Temperature: 80C/176F Tolerance: Approx 0-0.1mm Plating: Nickel + Copper +...Read More>>>

  • 4. 3M Adhesive Magnets

    3m adhesive magnets Magnet with 3M sticker Manufacturer is ALB, Adhesive Disc Neodymium Magnets with 3M VHB Foam Adhesive n35, Strong Disc OR Block Rare Earth Neodymium Magnets with 3M VHB Foam Adhesive 16 Years Professional Rare Earth Magnet Manufacturer OF SELF ADHESI...Read More>>>

  • 5. 3 Properties Of A Magnet

    3 properties of a magnet The three properties that all magnets have are that they all attract certain metals, they have north and south poles, and two of the same poles will repel each other, while opposite poles will be attracted to each other. Frequently Asked Questio...Read More>>>

  • 6. 2.5Mm Magnetic Balls

    2.5mm magnetic balls Micromagnets are 2.5mm Neodymium Neoballs by ALB Magnets. hazardous magnet strength, Micromagnets are 2.5mm nickel plated Neo balls. 432 Micromagnets, MFV Splitting Card, Construction Guide. $20.45 + Shipping 1728 Micromagnets, 2 MFV Cards, Metal Bu...Read More>>>

  • 7. 2 Neodymium Magnets

    2 neodymium magnets 1/2 x 1/8 Inch Strong Neodymium Rare Earth Disc Magnets total element neodymium disc magnets: 1/2 Diameter x 1/8 Thickness. Wholesale/volume discounts available. Free US shipping $10+. All orders $10+ ship free within the United States. Free 30 Day R...Read More>>>

  • 8. Buck Magnets Ball

    Buck Magnets Ball Made from rare earth magnets, Buck magnetic balls are the most fun stress-relief desk toy around. Keep a set on your desk to be the envy of coworkers or carry. Made from rare earth magnets, Buck magnetic balls are the most fun stress-relief desk toy ar...Read More>>>

  • 9. 2 Inch Ring Magnet

    2-inch ring magnet Ceramic Ring Magnets Ceramic magnets (also known as Ferrite magnets) are part of the permanent magnet family, and the lowest cost, hard magnets available today. Ceramic ring magnets are similar to ceramic disc magnets, but they have a hole in the midd...Read More>>>

  • 10. Why Don't We Create A Permanent Magnet Of 1000 Tesla

    Why dont we create a permanent magnet of 1000 Tesla Why dont we create a permanent magnet of 1000 Tesla by combining and aligning the magnetic fields of 1000 small permanent magnets of 1 Tesla each? James Garry said: Stacking two magnets together simply makes a bigger m...Read More>>>

  • 11. Scientists Create Ultra-Powerful Magnetic Field

    New world record magnetic field To reach the quantum limit or sustain nuclear fusion, scientists believe magnetic field strengths of 1,000 teslas or more may be needed. A group of scientists at the University of Tokyo has recorded the largest magnetic field ever generat...Read More>>>

  • 12. 1,000-Tesla Magnet

    1,000-tesla magnet How strong are magnets? Here is a list of how strong some magnetic fields can be: The smallest value in a magnetically shielded room 10^-14 Tesla 100,000,000,000 Tesla 10^15 Gauss What is Tesla? It is a unit of magnetic flux density. It is also equiva...Read More>>>

  • 13. 25mm diameter magnet

    25mm diameter magnet 25mm diameter, wide magnets, 3.5kg Pull Neodymium Magnet 25mm diameter/wide magnets A selection of magnets measuring 25mm in diameter (for disc/sphere magnets) or 25mm wide/long (for rectangular magnets). In this section, you will find high-performa...Read More>>>

  • 14. Education Science Experiment Tools Magnets

    Education Science Experiment Tools Magnets Physics Science Magnets Kit for, Education Science Experiment Tools Magnet Toy, Including Bar/Ring/Horseshoe/Compass Magnets It could only hold small parts like clips, pins, isotropic ferrite magnets, very weak magnets, only fo...Read More>>>

  • 15. Which fishing magnets should you buy

    You have heard about magnets fishing and want to try it, but which magnet fishing magnets should you buy, and which rope is the best for magnet fishing? On this page, you can get all the answers, and luckily magnet fishing is not an expensive hobby. You only need two th...Read More>>>

  • 16. Magnetic Therapy

    Magnetotherapy Shared Belief in the healing power of magnets and magnetic fields has existed since the discovery of magnets several thousand years ago. In the late 18th century, Franz Anton Mesmer, an infamous charlatan, promoted the notion that he could heal with anima...Read More>>>

  • 17. Rare Earth Neodymium Magnets Manufacturer

    ALB Magnets manufacturer introduction ALB Materials Inc Manufacturer of standard and custom rare earth magnets for the OEM industry. Rare Earth Magnets Manufacturer Materials used include sintered and bonded neodymium iron boron, samarium cobalt, aluminum nickel cobalt, ...Read More>>>

  • 18. Neodymium Magnets (NdFeB)

    1. Introduction of Neodymium Magnets: Neodymium Magnets (also known as NdFeB, NIB or Neo magnets) the most widely used type of rare earth magnets , are permanent magnets made from an alloy of neodymium, iron and boron to form the Nd2Fe14B tetragonal crystalline structur...Read More>>>

  • 19. 4 Differences Between Neodymium Magnets And Samarium Cobalt Magnets

    The term rare earth magnet is a general term that refers to magnets that are made from alloys of rare earth elements, typically either NdFeB or samarium cobalt(SmCo). Neodymium (NdFeB or Neo) Magnets Samarium Cobalt (SmCo) Magnets Both of these rare earth alloys are man...Read More>>>

  • 20. Glossary of Magnet Terminology

    Glossary of Magnet Terminology Common parameters of rare earth magnets: Material: the composition of magnets, like NdFeB(an alloy of neodymium, iron and boron) or SmCo(an alloy of samarium and cobalt) Shape: the physical shape of a magnet, like Disc, Cylinder, Block, Ba...Read More>>>

  • 21. How to choose permanent magnet?

    1. Decide the shape and size of magnets, which can server you applications best. 2. Choose Permanent Magnet Materials Permanent Magnet Material Comparison Material Cost Index Maximum Energy Products (BH)max(MGOe) Coercivity Hci(Koe) Maximum Working Temperature(C) Machin...Read More>>>

  • 22. What is a magnet?

    A magnet is a material or object that produces a magnetic field. This magnetic field is invisible but is responsible for the most notable property of a magnet: a force that pulls on other ferromagnetic materials, such as iron, and attracts or repels other magnets. ...Read More>>>

  • 23. What are neodymium magnets?

    Neodymium magnets are a member of the Rare Earth magnet family and are the most powerful permanent magnets in the world. They are also referred to as NdFeB magnets, or NIB, because they are composed mainly of Neodymium (Nd), Iron (Fe) and Boron (B). They are made from a...Read More>>>

  • 24. What are SmCo magnets?

    Samarium Cobalt (SmCo) magnet, is a type of rare earth magnet, is a strong permanent magnet made of an alloy of samarium and cobalt. SmCo magnets are often used in high temperature applications needing high magnetic performance and where magnetic stability over a wide r...Read More>>>

  • 25. What are AlNiCo Magnets?

    AlNiCo is an acronym referring to a family of iron alloys which in addition to iron are composed primarily of aluminium (Al), nickel (Ni) and cobalt (Co), hence al-ni-co. They also include copper, and sometimes titanium. Alnico alloys are ferromagnetic, with a high coer...Read More>>>

  • 26. What are Ferrite Magnets?

    Ferrite magnets are sintered permanent magnets composed of Barium or Strontium Ferrite. This class of magnets, aside from good resistance to demagnetization, has the popular advantage of low cost. Due to their low cost, Ferrite magnets enjoy a very wide range of applica...Read More>>>

  • 27. Neodymium Magnets Grades

    Grade of Neodymium Magnets: Neodymium magnets come in different grades such as N42, N52 or N42SH. It all starts with the letter N, all the names of neodymium magnets begin with N for neodymium. The number that follows is a little more technical as this represents the ma...Read More>>>

  • 28. Neodymium Magnets Coating

    Coating/Plating of Neodymium Magnets: Name Coating Thickness(m) Color PCT Humidity Test Salt Spray Test Collision Test White Zinc 8-15 Blue and white 3 3 3 2 Color Zinc 10-15 Multicolor 3 3 2 2 Nickel 20-30 Silver 1 1 3 1 Electroless Nickel 20-30 Silver 1 1 1 1 NiCuNi 1...Read More>>>

  • 29. Magnets Safety Warnings

    MAGNET SAFETY WARNING Disclaimer: ALB Materials Inc (Owner of albmagnets.com) neither assumes nor accepts any liability for damages resulting from the handling or use of magnets. With your purchase, the buyer confirms that you have read and understood the following warn...Read More>>>

  • 30. Neodymium Magnets Applications

    Neodymium magnets can be used for: Benchtop NMR spectrometers Drive motors forhybridandelectric vehicles. Electric generatorsforwind turbines Electric motors: Cordless tools Electricalpower steering Erase heads for cheap cassette recorders Head actuators for computerhar...Read More>>>

  • 31. Neodymium Magnets Production

    Production Process of Neodymium Magnets: 1. Vacuum Melting Compositions of neodymium, iron , iron-boron, dysprosium and minor additions including cobalt , copper , gallium, aluminum and others are mixed and induce-melted to form Nd2Fe14B phase and other necessary struct...Read More>>>

  • 32. What are Rare Earth Magnets?

    Rare-earth magnets are strong permanent magnets made from alloys of rare-earth elements. Neodymium Magnets are a member of the Rare Earth magnet family and are the most powerful permanent magnets in the world. They are also referred to as NdFeB magnets, or NIB, because ...Read More>>>

  • 33. Specifications of Neodymium Magnets

    Physical and Mechanical Characteristics Density 7.4-7.5 g/cm3 Compression Strength 950 MPa (137,800 psi) Tensile Strength 80 MPa (11,600 psi) Vickers Hardness (Hv) 560-600 Youngs Modulus 160 GPa (23,200 ksi) Recoil Permeability 1.05 rec Electrical Resistance (R) 160 -oh...Read More>>>

  • 34. What is demagnetization?

    The process of reducing or removing the magnetism of a ferromagnetic material. Rare Earth magnets have a high resistance to demagnetization, unlike most other types of magnets. They will not lose their magnetization around other magnets. However, they will begin to lose...Read More>>>

  • 35. Strength of Neodymium Magnets

    Neodymium magnets are over 10x stronger than the strongest ceramic magnets(AlNiCo Magnets). If youve never handled neodymium magnets before, you will be amazed at their strength. If you are currently using ceramic magnets in your project, you could probably use a much s...Read More>>>

  • 36. Magnetization Direction For Neodymium Magnets

    A magnet can be magnetized in a variety of directions. Anisotropic materials must be magnetically oriented during production. Therefore are inclined to a fixed orientation. Disc Cylinder Magnets, Ring Tube Magnets Orientation: Arc Wedge Magnets Orientation: ...Read More>>>

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How to choose and buy a strong neodymium magnet? ALBMagnets is a professional company for strong magnet design and manufacturing,
providing you with reliable N35, N38, N42, N52, N42SH and other grade super neodymium magnets and SmCo rare earth magnets.

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