Why Do Neodymium Magnets Lose Strength in Service?
A magnet that measured fine at the factory comes back weak. Four causes, the fingerprint each one leaves, and how to tell them apart before you change the…
October 3, 2026
How Tight Does the Air Gap Have to Be on a 64-Pole Encoder Magnet?
How tight can the air gap be on a 64 pole encoder magnet? A 64-pole ring gives a magnetic encoder its finest…
September 29, 2026
Can You Replace a Samarium (Sm2Co17) Magnet With a Neodymium One?
Samarium cobalt and neodymium magnets do not swap on datasheet numbers. Here is what to recalculate before a replacement, and when SmCo still wins.
September 25, 2026
Neodymium Magnet Coating: How to Choose the Right Plating
Why sintered NdFeB needs plating, how zinc, nickel, epoxy, gold, Parylene and Dacromet compare, and how to pick one for humidity, salt spray and heat.
September 20, 2026
How to Choose the Right Magnet for Your Application
Which magnet to use in each application: grades, coatings and shapes for motors, sensors, audio, medical devices, signage and generators.
September 15, 2026
How to Choose a Strong Neodymium Magnet
How to choose a neodymium magnet: N numbers for strength, M/H/SH/UH for heat, plus shapes and coatings, and how to match them to a real part.
September 9, 2026
How Neodymium Magnets Are Made: What Each Step Does to Your Part
How a neodymium magnet is made, and what each step does to the part you receive: where the tolerance comes from, why coating fails, and the four checks…
September 2, 2026
Neodymium vs Ferrite Magnets: Which One for Your Design?
Bonded and sintered NdFeB are not interchangeable. What changes in strength, tolerance, temperature and tooling cost, and when to pick each one.