Tech Briefs

Permanent Magnets; Materials, Applications and Economics Issue S

October 24, 2018, While it’s true that most permanent magnet (PM) material ever commercialized (except Lodex for obvious environmental and safety reasons) are still in some limited use today there …

The Application of Permanent Magnets in Magnetic Sensors

June 20, 2016, Permanent magnets are ubiquitous in modern societies. Devices which use permanent magnets include motors, sensors, actuators, and acoustic transducers, just to name a few (TechBrief-re…

Bonded Magnet Materials and Processing Options

July 28, 2016, Bonded magnets are an important but often overlooked group of products that magnetic circuit and device designers should consider when choosing the optimum permanent magnet type for th…

NdFeB magnets: Where is the Next Breakthrough Permanent Magnet Material?

By Dr. John OrmerodTechnical Adviser / Magnet Applications IntroductionIt’s interesting to note that no major new permanent magnet material has been introduced since NdFeB in the 1980’s; in fact,…

Types of Rare Earth Magnets: Part 1

Fully Dense Rare Earth Magnets by Powder Metallurgical Processing By Dr. John OrmerodTechnical Adviser / Magnet Applications The powder metallurgical method is the most common method of manufacturing…