| Identification | Back Directory | [Name]
MOLYBDENUM DIBORIDE | [CAS]
12007-27-1 | [Synonyms]
Einecs 234-502-8
MOLYBDENUM BORIDE
MOLYBDENUM DIBORIDE
molybdenumboride(mob2)
Molybdenum boride, 99.8% (metals basis) | [EINECS(EC#)]
234-502-8 | [Molecular Formula]
B2Mo | [MDL Number]
MFCD00046193 | [MOL File]
12007-27-1.mol | [Molecular Weight]
117.56 |
| Hazard Information | Back Directory | [Chemical Properties]
Molybdenum diboride is a gray powder with high strength and hardness and has resistance to high temperatures, good electrical conductivity, and good oxidation resistance.
| [Industrial uses]
Molybdenum boride, Mo2B, has a specificgravity of 9.3, a Knoop hardness of 1660, anda melting point of about 1660°C. Tungstenboride, W2B, has a specific gravity of 16.7 anda melting point of' 2770°C. Titanium boride,TiB2, is light in weight with a specific gravityof 4.5. It has a melting point at about 2593°C.Molded parts made from the powder have aKnoop hardness of 3300 and a flexural strengthof 241 MPa, and they are resistant to oxidationto 982°C with a very low oxidation rate abovethat point to about 1371°C. They are inert tomolten aluminum. Intermetal powders of beryllium–tantalum, beryllium–zirconium, andberyllium–columbium are also marketed, andthey are lightweight and have high strength.Sintered parts resist oxidation to 1649°C. |
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