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2. Permanent magnet motor - Wikipedia

   en.wikipedia.org/wiki/Permanent_magnet_motor

   Permanent magnet motors consist of two main types. Surface permanent magnet motors (SPM) and internal permanent magnet (IPM) motors. The main difference is that SPM motors place the magnets on the outside of the rotor while IPM motors place their magnets inside the motor. Benefits to internal magnets include structural integrity and reducing ...

3. List of brazing alloys - Wikipedia

   en.wikipedia.org/wiki/List_of_brazing_alloys

   Composition by weight % Family Solidus/liquidus point (°C) ... For brazing steel tube frames. 48: 41.8: 10: 0.2: ... For brazing and soft magnetic applications ...

4. Reluctance motor - Wikipedia

   en.wikipedia.org/wiki/Reluctance_motor

   The rotor consists of soft magnetic material, such as laminated silicon steel, which has multiple projections acting as salient magnetic poles through magnetic reluctance. For switched reluctance motors, the number of rotor poles is typically less than the number of stator poles, which minimizes torque ripple and prevents the poles from all ...

5. Permalloy - Wikipedia

   en.wikipedia.org/wiki/Permalloy

   Strip of permalloy. Permalloy is a nickel–iron magnetic alloy, with about 80% nickel and 20% iron content.Invented in 1914 by physicist Gustav Elmen at Bell Telephone Laboratories, [1] it is notable for its very high magnetic permeability, which makes it useful as a magnetic core material in electrical and electronic equipment, and also in magnetic shielding to block magnetic fields.

6. Electropermanent magnet - Wikipedia

   en.wikipedia.org/wiki/Electropermanent_magnet

   An electropermanent magnet or EPM is a type of permanent magnet in which the external magnetic field can be switched on or off by a pulse of electric current in a wire winding around part of the magnet. The magnet consists of two sections, one of "hard" (high coercivity) magnetic material and one of "soft" (low coercivity) material. The ...

7. College Football Playoff championship bracket: Schedule and ...

   www.aol.com/college-football-playoff...

   Sugar Bowl: No. 2 Georgia vs. Notre Dame/Indiana winner, 8:45 p.m. (ESPN) When are College Football Playoff semifinals? The semifinal games will be played Jan. 9 and Jan. 10 at the site of two ...

8. Neodymium magnet - Wikipedia

   en.wikipedia.org/wiki/Neodymium_magnet

   In its pure form, neodymium has magnetic properties—specifically, it is antiferromagnetic, but only at low temperatures, below 19 K (−254.2 °C; −425.5 °F).). However, some compounds of neodymium with transition metals such as iron are ferromagnetic, with Curie temperatures well above room tempe

9. Trump reiterates opposition to Nippon Steel's takeover of U.S ...

   www.aol.com/news/trump-reiterates-opposition...

   Nippon Steel hopes to close the deal before Trump retakes the White House on January 20, despite opposition from President Joe Biden and a powerful U.S. labor union.