Difference between revisions of "Neodymium iron boron magnet"
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| − | '''Neodymium iron boron magnets''', commonly referred to as '''neodymium magnets''', are [[magnet|magnets]] made | + | '''Neodymium iron boron magnets''', commonly referred to as '''neodymium magnets''' or '''NdFeB''', '''NIB''' or '''Neo magnet''', are [[magnet|magnets]] made from a sintered alloy of [[neodymium]], [[iron]], and [[boron]]. They produce the highest commercially available magnetic fields (approximately 1 tesla) and make [[paramagnetism]] and [[diamagnetism]] in materials far more visible than most other magnets. They are also a common source of neodymium because they are relatively easy to obtain from different everyday objects. Due to their high field strengths large neodymium magnets may cause damage to objects if they are allowed near ferromagnetic materials, and can break bones easily. |
==Properties== | ==Properties== | ||
| + | NdFeB magnets are not very resistant to moisture and corrosive vapors over time, which is why they tend to be nickel-plated. | ||
| − | ==Extracting neodymium from magnets== | + | ==Availability== |
| + | Almost all rare-earth permanent magnets are made of this material. | ||
| + | |||
| + | ==Projects== | ||
| + | ===Extracting neodymium from magnets=== | ||
Is difficult for the home chemist. Witness the epic that is [http://www.sciencemadness.org/talk/viewthread.php?tid=14145 ''The trouble with Neodymium''] thread. | Is difficult for the home chemist. Witness the epic that is [http://www.sciencemadness.org/talk/viewthread.php?tid=14145 ''The trouble with Neodymium''] thread. | ||
| + | |||
| + | ==Handling== | ||
| + | ===Safety=== | ||
| + | |||
| + | ===Storage=== | ||
| + | In closed containers, away from moisture and acidic vapors. | ||
| + | |||
| + | ===Disposal=== | ||
| + | Best to recycle it. | ||
| + | |||
| + | ==References== | ||
| + | <references> | ||
| + | ===Relevant Sciencemadness threads=== | ||
| + | *[http://www.sciencemadness.org/talk/viewthread.php?tid=34503 Dissolving Neodymium Magnet in Citric Acid?] | ||
| + | |||
| + | [[Category:Inorganic compounds]] | ||
[[Category:Alloys]] | [[Category:Alloys]] | ||
| + | [[Category:Materials that react with water]] | ||
| + | [[Category:Materials unstable in acidic solution]] | ||
[[Category:Magnetism]] | [[Category:Magnetism]] | ||
Revision as of 11:51, 9 April 2016
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Neodymium iron boron magnets, commonly referred to as neodymium magnets or NdFeB, NIB or Neo magnet, are magnets made from a sintered alloy of neodymium, iron, and boron. They produce the highest commercially available magnetic fields (approximately 1 tesla) and make paramagnetism and diamagnetism in materials far more visible than most other magnets. They are also a common source of neodymium because they are relatively easy to obtain from different everyday objects. Due to their high field strengths large neodymium magnets may cause damage to objects if they are allowed near ferromagnetic materials, and can break bones easily.
Contents
Properties
NdFeB magnets are not very resistant to moisture and corrosive vapors over time, which is why they tend to be nickel-plated.
Availability
Almost all rare-earth permanent magnets are made of this material.
Projects
Extracting neodymium from magnets
Is difficult for the home chemist. Witness the epic that is The trouble with Neodymium thread.
Handling
Safety
Storage
In closed containers, away from moisture and acidic vapors.
Disposal
Best to recycle it.
