Insights & Innovations
Expert perspectives, technical guides, and the latest industry news for enterprise professionals in magnetic technology.
Magnetic Circuit Design: How It Works and Why It Matters for Permanent Magnets
Two magnets can have the same material grade and still give different results when you install them. One may produce the field a motor needs at its working gap. The other may fall short, even though its material certificate looks fine. The difference often comes from the steel around the magnet, the space between moving […]
Magnet Recycling: Can Ferrite and Neodymium Magnets Be Recycled?
Ferrite ring magnets and nickel-coated neodymium magnets showing two permanent magnet materials discussed in magnet recycling. An old speaker, a worn-out pump, or a broken power tool can still contain a perfectly recognizable magnet. The harder question comes next: can that magnet go back into use, or can its material become a new magnet? Yes, […]
Rare Earth Magnet Prices: What Affects the Cost of NdFeB and SmCo Magnets?
Rare earth magnet prices can be confusing. A buyer might see a price per kilogram in a market report, a low unit price in an online catalog, and a very different figure on a custom magnet quotation. All three can be correct. They describe different products at different stages of production. For motors, sensors and […]
How to Demagnetize a Magnet: Methods, Causes, and Prevention
Need to remove magnetism from a tool, or trying to understand why a permanent magnet has gone weak? The answer starts with the material. A steel screwdriver, a ceramic ferrite ring and a neodymium magnet don’t respond to the same magnetic field in the same way. To demagnetize a magnet, engineers use a controlled magnetic […]
Neodymium Magnet Coatings: Types, Differences, and How to Choose
Different surface finishes on neodymium magnets, including nickel, zinc, copper, gold and black epoxy coatings. Neodymium magnets deliver strong magnetic performance in a small space. But that strength comes with a catch: the sintered NdFeB material can corrode when moisture reaches its surface. That is why most finished neodymium magnets have a protective coating. The […]
What Is Multipole Magnetization? How Magnetic Pole Patterns Work
A single magnetic ring can carry eight alternating north and south pole regions. It doesn’t need eight separate magnet pieces. That’s multipole magnetization: a planned arrangement of magnetic poles within one part. You can’t see the pole layout from the ring’s shape alone. A field probe or magnetic viewing film reveals where the poles sit […]
Ferrite Magnet Grades: What Y30, Y35, C5 and C8 Really Mean
One drawing says Y30. Another uses Ceramic 5. A third asks for C8 or FB13B. All four are ferrite magnet grades, but the names come from different grade systems. That’s why comparing ferrite materials across suppliers can get confusing. The easiest way to read a grade is to look at its magnetic properties. Once you […]
7 Industrial Uses for Multipole Ring Magnets
A small ring can do two very different jobs. Inside a pump motor, its magnetic poles help create rotation. In a rotary encoder, those poles give a sensor something to count. Both devices use a multipole ring magnet, but they read its magnetic field in different ways. Multipole rings appear in appliance pumps, cooling fans, […]
Magnet Testing Methods: How to Measure Magnet Strength and Quality
Two magnets can look exactly alike and still behave differently in a motor, a sensor, or a holding assembly. One may produce the expected field at the working gap. The other might have the wrong pole direction, an uneven field, or a small dimensional error. You won’t spot all of that by picking the magnets […]
Where Are Magnets Used in Cars? Motors, Sensors, and Everyday Applications
You probably use magnets in your car every day without realizing it. Lower a power window, turn on the windshield wipers, adjust your seat, or play music through the speakers. Magnetic fields help make many of these everyday features work. Magnets also play a part in systems you rarely see, such as electric coolant pumps, […]
Is Stainless Steel Magnetic?
Hand holding a magnet against a stainless steel kitchen sink to check whether the surface attracts magnets. Try this with a stainless steel sink. Put a small magnet on a flat area, then move it toward a tightly formed corner. The magnet may pull harder at the corner. Same sink, different response. It’s a neat […]
Is Brass Magnetic? Why Magnets Don’t Stick to Brass
Hold a magnet against a brass key, doorknob, or fitting. Most of the time, nothing happens. The magnet won’t stick. That’s exactly what you’d expect from ordinary solid brass. So, is brass magnetic? In everyday terms, no. Brass is a copper-zinc alloy, and common grades don’t show the strong attraction you get with iron or […]
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