ASTM A1101-23

Detail information

Designation: ASTM A1101-23

Publication date: 01/12/2023

Pages: 11

Country: American technical standard

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Anotation

This specification covers technically important, commercially available, magnetically hard sintered and fully dense neodymium iron boron (Nd2Fe14B, NdFeB, or “Neo”) permanent magnets. These materials are available in a wide range of compositions with a commensurately large range of magnetic properties. Neodymium iron boron magnets have approximate magnetic properties of residual magnetic induction from 1.08 T (10 800 G) up to 1.5 T (15 000 G) and intrinsic coercive field strength of 875 kA/m (11 000 Oe) to above 2785 kA/m (35 000 Oe). Special grades and isotropic (un-aligned) magnets can have properties outside these ranges.


Keywords:
coercive field strength, hot-deformed rare earth magnet, magnetic field strength, magnetic flux density, magnetic properties, maximum energy product, neodymium iron boron magnet, neo magnet, permanent magnet, residual induction, sintered rare earth magnet,, ICS Number Code 29.100.10 (Magnetic components),77.140.40 (Steels with special magnetic properties)