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Vickers hardness: 345–745 MPa : Brinell hardness: 265–700 MPa : CAS Number: 7440-00-8 : ... Neodymium is a chemical element; it has symbol Nd and atomic number 60.
A neodymium magnet (also known as NdFeB, ... Vickers hardness (HV) 500–650: 400–650 ... Their values range from N28 up to N55 with a theoretical maximum at N64 ...
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Spectral lines of neodymium: ... Poisson ratio comment = | Mohs hardness = | Mohs hardness ref = | Mohs hardness comment = | Mohs hardness 2 = | Mohs hardness 2 ref = ...
Hardness; Heat capacity / ... Density criteria range from above 3.5 g/cm 3 to above 7 g/cm 3. ... Neodymium magnets are the strongest type of permanent magnet ...
Ferrofluid on glass, with a rare-earth magnet underneath. A rare-earth magnet is a strong permanent magnet made from alloys of rare-earth elements.Developed in the 1970s and 1980s, rare-earth magnets are the strongest type of permanent magnets made, producing significantly stronger magnetic fields than other types such as ferrite or alnico magnets.
Along the west bank of the Nile River, archaeologists discovered rock-cut tombs and burial shafts up to 3,600 years old. Many of the tombs featured a range of artifacts that could redefine what ...
A variety of hardness-testing methods are available, including the Vickers, Brinell, Rockwell, Meyer and Leeb tests. Although it is impossible in many cases to give an exact conversion, it is possible to give an approximate material-specific comparison table for steels .