Standford Magnets

02/25/2026

How to Choose the Right Fishing Magnets

Magnet fishing has exploded in popularity over the past few years—and for good reason. There's something uniquely satisfying about dragging a powerful magnet across the bottom of a river and pulling up a piece of hidden history. From old tools and bicycle parts to safes and antique relics, you never quite know what you're going to find.
But before you toss a magnet off a bridge and hope for treasure, there's one important step: choosing the right fishing magnet. Not all magnets are created equal, and the wrong choice can mean weak pulls, lost finds, or even lost magnets.
Let's break it down in simple, practical terms so you can pick the right magnet for your goals, environment, and experience level.

Choosing the right fishing magnet isn't about buying the biggest, strongest model on the market. It's about matching strength, design, and durability to your fishing style and environment.

02/11/2026

Hard Ferrite vs Soft Ferrite: Key Differences and Uses

Ferrite materials are among the most widely used magnetic materials in modern industry and electronics. Although they are often discussed as a single category, ferrites actually fall into two fundamentally different classes: hard ferrites and soft ferrites. These materials share a common ceramic chemistry based on iron oxides, yet their magnetic behavior, performance parameters, and applications differ so strongly that they are rarely interchangeable.

Hard ferrites provide stable, permanent magnetic fields at low cost and high durability, while soft ferrites enable efficient, low-loss control of alternating magnetic fields in electronic systems.

02/05/2026

Types of Torque Couplings and Their Uses in Modern Machinery

Torque couplings sit quietly between shafts, motors, and gearboxes, but they play an outsized role in how modern machinery performs, survives, and delivers precision.

Types of torque couplings vary widely, each serving a distinct role in modern machinery.

01/29/2026

Common Magnet Shapes and How They Serve Different Magnetic Field and Requirements

Magnets are often discussed in terms of material—neodymium, samarium cobalt, ferrite, or alnico—but shape is just as critical to performance as composition. The geometry of a magnet determines how magnetic flux is distributed, how strong the working field becomes at a given point, and how easily the magnet can be integrated into mechanical assemblies. In modern engineering and product design, more than ten widely used magnet shapes are employed, each optimized for specific structural constraints and magnetic field requirements.

From arc magnets driving high-efficiency motors to countersunk magnets enabling secure mounting and horseshoe magnets delivering concentrated fields, each geometry serves a distinct purpose.

01/28/2026

Common Types of Magnetic Separation Equipment

Magnetic separation equipment is widely used to remove ferrous and weakly magnetic materials from bulk solids, slurries, and recycled streams. Different separator designs are optimized for particle size, magnetic susceptibility, throughput, and operating environment. The following sections describe the most common types used in industry today.

Magnetic separation equipment is widely used to remove ferrous and weakly magnetic materials from bulk solids, slurries, and recycled streams. Different separator designs are optimized for particle size, magnetic susceptibility, throughput, and operating environment.

01/21/2026

7 Applications of Neodymium Magnets in Electric Motors

Neodymium magnets are among the most powerful permanent magnets available today. Their ability to maintain a strong magnetic field while being compact and lightweight has revolutionized many industries, particularly in electric motors. These magnets play a crucial role in improving the efficiency, performance, and design of electric motors used in a wide range of applications, from consumer electronics to electric vehicles.

Neodymium magnets are a key component in a wide array of electric motor applications across various industries. Their high magnetic strength, compact size, and efficiency make them ideal for use in electric vehicles, industrial machinery, home appliances, power tools, consumer electronics, wind turb...

01/08/2026

Something to Know about Teflon (PTFE) Encased Magnets

Teflon (PTFE) coatings have become a critical innovation for safeguarding permanent magnets against corrosion, chemicals, and wear in demanding environments. The use of both PTFE-coated and fully PTFE-encased magnets is rapidly expanding across industries. This essay will explore their distinct characteristics and applications.
https://www.stanfordmagnets.com/something-to-know-about-teflon-ptfe-encased-magnets.html