This White Paper describes the magnetization losses that are possible in SmCo and NdFeB permanent magnet materials. Reversible losses are first discussed followed by irreversible losses, which can be caused by temperature, external fields or radiation. Losses over time by magnetic viscosity are also discussed. Finally, permanent losses caused by corrosion, hydrogen, high temperatures and radiation are considered.

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This White Paper describes the characteristics of permanent magnet materials and the properties of individual permanent magnets. The second part of this document deals with the most common measuring techniques used by the magnet industry. Download new white paper to learn more about measuring permanent magnets.

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Download new tech note to learn more about Molypermalloy and how it’s high magnetic permeability makes it well suited for electromagnetic shielding.

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Nickel Irons Soft Magnetics

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As power electronics and controls become more sophisticated, there is a need to shield these devices from external fields as well as reduce their radiated fields. External sources can produce electromagnetic interference (EMI) or radio frequency interference (RFI), which can damage control systems with electromagnetic induction, electrostatic coupling, or conduction.

This 30-minute Webinar examines high permeability materials that can be used to shield an electronic device and prevent unexpected interference. It discusses how the materials are manufactured and looks at characterizing them to ensure they are a proper fit for an application.

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